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			416 lines
		
	
	
		
			14 KiB
		
	
	
	
		
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			416 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| use INFORMATION_SCHEMA;
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| show tables;
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| Tables_in_information_schema
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| CHARACTER_SETS
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| CLIENT_STATISTICS
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| COLLATIONS
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| COLLATION_CHARACTER_SET_APPLICABILITY
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| COLUMNS
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| COLUMN_PRIVILEGES
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| ENGINES
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| EVENTS
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| FILES
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| GLOBAL_STATUS
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| GLOBAL_VARIABLES
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| INDEX_STATISTICS
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| INNODB_BUFFER_POOL_PAGES
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| INNODB_BUFFER_POOL_PAGES_BLOB
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| INNODB_BUFFER_POOL_PAGES_INDEX
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| INNODB_CMP
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| INNODB_CMPMEM
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| INNODB_CMPMEM_RESET
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| INNODB_CMP_RESET
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| INNODB_INDEX_STATS
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| INNODB_LOCKS
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| INNODB_LOCK_WAITS
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| INNODB_RSEG
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| INNODB_SYS_COLUMNS
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| INNODB_SYS_FIELDS
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| INNODB_SYS_FOREIGN
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| INNODB_SYS_FOREIGN_COLS
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| INNODB_SYS_INDEXES
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| INNODB_SYS_STATS
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| INNODB_SYS_TABLES
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| INNODB_SYS_TABLESTATS
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| INNODB_TABLE_STATS
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| INNODB_TRX
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| KEY_CACHES
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| KEY_COLUMN_USAGE
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| PARAMETERS
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| PARTITIONS
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| PLUGINS
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| PROCESSLIST
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| PROFILING
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| REFERENTIAL_CONSTRAINTS
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| ROUTINES
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| SCHEMATA
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| SCHEMA_PRIVILEGES
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| SESSION_STATUS
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| SESSION_VARIABLES
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| STATISTICS
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| TABLES
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| TABLESPACES
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| TABLE_CONSTRAINTS
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| TABLE_PRIVILEGES
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| TABLE_STATISTICS
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| TRIGGERS
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| USER_PRIVILEGES
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| USER_STATISTICS
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| VIEWS
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| XTRADB_ADMIN_COMMAND
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| SELECT t.table_name, c1.column_name
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| FROM information_schema.tables t
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| INNER JOIN
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| information_schema.columns c1
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| ON t.table_schema = c1.table_schema AND
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| t.table_name = c1.table_name
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| WHERE t.table_schema = 'information_schema' AND
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| c1.ordinal_position =
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| ( SELECT COALESCE(MIN(c2.ordinal_position),1)
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| FROM information_schema.columns c2
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| WHERE c2.table_schema = t.table_schema AND
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| c2.table_name = t.table_name AND
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| c2.column_name LIKE '%SCHEMA%'
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|         ) order by t.table_name;
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| table_name	column_name
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| CHARACTER_SETS	CHARACTER_SET_NAME
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| CLIENT_STATISTICS	CLIENT
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| COLLATIONS	COLLATION_NAME
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| COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
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| COLUMNS	TABLE_SCHEMA
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| COLUMN_PRIVILEGES	TABLE_SCHEMA
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| ENGINES	ENGINE
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| EVENTS	EVENT_SCHEMA
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| FILES	TABLE_SCHEMA
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| GLOBAL_STATUS	VARIABLE_NAME
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| GLOBAL_VARIABLES	VARIABLE_NAME
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| INDEX_STATISTICS	TABLE_SCHEMA
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| INNODB_BUFFER_POOL_PAGES	page_type
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| INNODB_BUFFER_POOL_PAGES_BLOB	space_id
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| INNODB_BUFFER_POOL_PAGES_INDEX	index_id
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| INNODB_CMP	page_size
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| INNODB_CMPMEM	page_size
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| INNODB_CMPMEM_RESET	page_size
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| INNODB_CMP_RESET	page_size
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| INNODB_INDEX_STATS	table_schema
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| INNODB_LOCKS	lock_id
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| INNODB_LOCK_WAITS	requesting_trx_id
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| INNODB_RSEG	rseg_id
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| INNODB_SYS_COLUMNS	TABLE_ID
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| INNODB_SYS_FIELDS	INDEX_ID
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| INNODB_SYS_FOREIGN	ID
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| INNODB_SYS_FOREIGN_COLS	ID
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| INNODB_SYS_INDEXES	INDEX_ID
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| INNODB_SYS_STATS	INDEX_ID
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| INNODB_SYS_TABLES	SCHEMA
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| INNODB_SYS_TABLESTATS	SCHEMA
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| INNODB_TABLE_STATS	table_schema
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| INNODB_TRX	trx_id
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| KEY_CACHES	KEY_CACHE_NAME
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| KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
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| PARAMETERS	SPECIFIC_SCHEMA
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| PARTITIONS	TABLE_SCHEMA
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| PLUGINS	PLUGIN_NAME
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| PROCESSLIST	ID
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| PROFILING	QUERY_ID
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| REFERENTIAL_CONSTRAINTS	CONSTRAINT_SCHEMA
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| ROUTINES	ROUTINE_SCHEMA
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| SCHEMATA	SCHEMA_NAME
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| SCHEMA_PRIVILEGES	TABLE_SCHEMA
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| SESSION_STATUS	VARIABLE_NAME
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| SESSION_VARIABLES	VARIABLE_NAME
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| STATISTICS	TABLE_SCHEMA
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| TABLES	TABLE_SCHEMA
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| TABLESPACES	TABLESPACE_NAME
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| TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA
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| TABLE_PRIVILEGES	TABLE_SCHEMA
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| TABLE_STATISTICS	TABLE_SCHEMA
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| TRIGGERS	TRIGGER_SCHEMA
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| USER_PRIVILEGES	GRANTEE
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| USER_STATISTICS	USER
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| VIEWS	TABLE_SCHEMA
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| XTRADB_ADMIN_COMMAND	result_message
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| SELECT t.table_name, c1.column_name
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| FROM information_schema.tables t
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| INNER JOIN
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| information_schema.columns c1
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| ON t.table_schema = c1.table_schema AND
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| t.table_name = c1.table_name
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| WHERE t.table_schema = 'information_schema' AND
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| c1.ordinal_position =
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| ( SELECT COALESCE(MIN(c2.ordinal_position),1)
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| FROM information_schema.columns c2
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| WHERE c2.table_schema = 'information_schema' AND
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| c2.table_name = t.table_name AND
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| c2.column_name LIKE '%SCHEMA%'
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|         ) order by t.table_name;
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| table_name	column_name
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| CHARACTER_SETS	CHARACTER_SET_NAME
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| CLIENT_STATISTICS	CLIENT
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| COLLATIONS	COLLATION_NAME
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| COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
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| COLUMNS	TABLE_SCHEMA
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| COLUMN_PRIVILEGES	TABLE_SCHEMA
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| ENGINES	ENGINE
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| EVENTS	EVENT_SCHEMA
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| FILES	TABLE_SCHEMA
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| GLOBAL_STATUS	VARIABLE_NAME
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| GLOBAL_VARIABLES	VARIABLE_NAME
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| INDEX_STATISTICS	TABLE_SCHEMA
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| INNODB_BUFFER_POOL_PAGES	page_type
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| INNODB_BUFFER_POOL_PAGES_BLOB	space_id
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| INNODB_BUFFER_POOL_PAGES_INDEX	index_id
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| INNODB_CMP	page_size
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| INNODB_CMPMEM	page_size
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| INNODB_CMPMEM_RESET	page_size
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| INNODB_CMP_RESET	page_size
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| INNODB_INDEX_STATS	table_schema
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| INNODB_LOCKS	lock_id
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| INNODB_LOCK_WAITS	requesting_trx_id
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| INNODB_RSEG	rseg_id
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| INNODB_SYS_COLUMNS	TABLE_ID
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| INNODB_SYS_FIELDS	INDEX_ID
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| INNODB_SYS_FOREIGN	ID
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| INNODB_SYS_FOREIGN_COLS	ID
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| INNODB_SYS_INDEXES	INDEX_ID
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| INNODB_SYS_STATS	INDEX_ID
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| INNODB_SYS_TABLES	SCHEMA
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| INNODB_SYS_TABLESTATS	SCHEMA
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| INNODB_TABLE_STATS	table_schema
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| INNODB_TRX	trx_id
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| KEY_CACHES	KEY_CACHE_NAME
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| KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
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| PARAMETERS	SPECIFIC_SCHEMA
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| PARTITIONS	TABLE_SCHEMA
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| PLUGINS	PLUGIN_NAME
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| PROCESSLIST	ID
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| PROFILING	QUERY_ID
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| REFERENTIAL_CONSTRAINTS	CONSTRAINT_SCHEMA
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| ROUTINES	ROUTINE_SCHEMA
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| SCHEMATA	SCHEMA_NAME
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| SCHEMA_PRIVILEGES	TABLE_SCHEMA
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| SESSION_STATUS	VARIABLE_NAME
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| SESSION_VARIABLES	VARIABLE_NAME
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| STATISTICS	TABLE_SCHEMA
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| TABLES	TABLE_SCHEMA
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| TABLESPACES	TABLESPACE_NAME
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| TABLE_CONSTRAINTS	CONSTRAINT_SCHEMA
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| TABLE_PRIVILEGES	TABLE_SCHEMA
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| TABLE_STATISTICS	TABLE_SCHEMA
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| TRIGGERS	TRIGGER_SCHEMA
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| USER_PRIVILEGES	GRANTEE
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| USER_STATISTICS	USER
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| VIEWS	TABLE_SCHEMA
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| XTRADB_ADMIN_COMMAND	result_message
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| select 1 as f1 from information_schema.tables  where "CHARACTER_SETS"=
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| (select cast(table_name as char)  from information_schema.tables
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| order by table_name limit 1) limit 1;
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| f1
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| 1
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| select t.table_name, group_concat(t.table_schema, '.', t.table_name),
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| count(*) as num1
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| from information_schema.tables t
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| inner join information_schema.columns c1
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| on t.table_schema = c1.table_schema AND t.table_name = c1.table_name
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| where t.table_schema = 'information_schema' and
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| c1.ordinal_position =
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| (select isnull(c2.column_type) -
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| isnull(group_concat(c2.table_schema, '.', c2.table_name)) +
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| count(*) as num
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| from information_schema.columns c2 where
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| c2.table_schema='information_schema' and
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| (c2.column_type = 'varchar(7)' or c2.column_type = 'varchar(20)')
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| group by c2.column_type order by num limit 1)
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| group by t.table_name order by num1, t.table_name;
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| table_name	group_concat(t.table_schema, '.', t.table_name)	num1
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| CHARACTER_SETS	information_schema.CHARACTER_SETS	1
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| CLIENT_STATISTICS	information_schema.CLIENT_STATISTICS	1
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| COLLATIONS	information_schema.COLLATIONS	1
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| COLLATION_CHARACTER_SET_APPLICABILITY	information_schema.COLLATION_CHARACTER_SET_APPLICABILITY	1
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| COLUMNS	information_schema.COLUMNS	1
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| COLUMN_PRIVILEGES	information_schema.COLUMN_PRIVILEGES	1
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| ENGINES	information_schema.ENGINES	1
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| EVENTS	information_schema.EVENTS	1
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| FILES	information_schema.FILES	1
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| GLOBAL_STATUS	information_schema.GLOBAL_STATUS	1
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| GLOBAL_VARIABLES	information_schema.GLOBAL_VARIABLES	1
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| INDEX_STATISTICS	information_schema.INDEX_STATISTICS	1
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| INNODB_BUFFER_POOL_PAGES	information_schema.INNODB_BUFFER_POOL_PAGES	1
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| INNODB_BUFFER_POOL_PAGES_BLOB	information_schema.INNODB_BUFFER_POOL_PAGES_BLOB	1
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| INNODB_BUFFER_POOL_PAGES_INDEX	information_schema.INNODB_BUFFER_POOL_PAGES_INDEX	1
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| INNODB_CMP	information_schema.INNODB_CMP	1
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| INNODB_CMPMEM	information_schema.INNODB_CMPMEM	1
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| INNODB_CMPMEM_RESET	information_schema.INNODB_CMPMEM_RESET	1
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| INNODB_CMP_RESET	information_schema.INNODB_CMP_RESET	1
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| INNODB_INDEX_STATS	information_schema.INNODB_INDEX_STATS	1
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| INNODB_LOCKS	information_schema.INNODB_LOCKS	1
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| INNODB_LOCK_WAITS	information_schema.INNODB_LOCK_WAITS	1
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| INNODB_RSEG	information_schema.INNODB_RSEG	1
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| INNODB_SYS_COLUMNS	information_schema.INNODB_SYS_COLUMNS	1
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| INNODB_SYS_FIELDS	information_schema.INNODB_SYS_FIELDS	1
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| INNODB_SYS_FOREIGN	information_schema.INNODB_SYS_FOREIGN	1
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| INNODB_SYS_FOREIGN_COLS	information_schema.INNODB_SYS_FOREIGN_COLS	1
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| INNODB_SYS_INDEXES	information_schema.INNODB_SYS_INDEXES	1
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| INNODB_SYS_STATS	information_schema.INNODB_SYS_STATS	1
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| INNODB_SYS_TABLES	information_schema.INNODB_SYS_TABLES	1
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| INNODB_SYS_TABLESTATS	information_schema.INNODB_SYS_TABLESTATS	1
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| INNODB_TABLE_STATS	information_schema.INNODB_TABLE_STATS	1
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| INNODB_TRX	information_schema.INNODB_TRX	1
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| KEY_CACHES	information_schema.KEY_CACHES	1
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| KEY_COLUMN_USAGE	information_schema.KEY_COLUMN_USAGE	1
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| PARAMETERS	information_schema.PARAMETERS	1
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| PARTITIONS	information_schema.PARTITIONS	1
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| PLUGINS	information_schema.PLUGINS	1
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| PROCESSLIST	information_schema.PROCESSLIST	1
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| PROFILING	information_schema.PROFILING	1
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| REFERENTIAL_CONSTRAINTS	information_schema.REFERENTIAL_CONSTRAINTS	1
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| ROUTINES	information_schema.ROUTINES	1
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| SCHEMATA	information_schema.SCHEMATA	1
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| SCHEMA_PRIVILEGES	information_schema.SCHEMA_PRIVILEGES	1
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| SESSION_STATUS	information_schema.SESSION_STATUS	1
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| SESSION_VARIABLES	information_schema.SESSION_VARIABLES	1
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| STATISTICS	information_schema.STATISTICS	1
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| TABLES	information_schema.TABLES	1
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| TABLESPACES	information_schema.TABLESPACES	1
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| TABLE_CONSTRAINTS	information_schema.TABLE_CONSTRAINTS	1
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| TABLE_PRIVILEGES	information_schema.TABLE_PRIVILEGES	1
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| TABLE_STATISTICS	information_schema.TABLE_STATISTICS	1
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| TRIGGERS	information_schema.TRIGGERS	1
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| USER_PRIVILEGES	information_schema.USER_PRIVILEGES	1
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| USER_STATISTICS	information_schema.USER_STATISTICS	1
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| VIEWS	information_schema.VIEWS	1
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| +---------------------------------------+
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| +---------------------------------------+
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| +---------------------------------------+
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| Database: information_schema
 | |
| |                Tables                 |
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| | CHARACTER_SETS                        |
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| | CLIENT_STATISTICS                     |
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| | COLLATIONS                            |
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| | COLLATION_CHARACTER_SET_APPLICABILITY |
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| | COLUMNS                               |
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| | COLUMN_PRIVILEGES                     |
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| | ENGINES                               |
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| | EVENTS                                |
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| | FILES                                 |
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| | GLOBAL_STATUS                         |
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| | GLOBAL_VARIABLES                      |
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| | INDEX_STATISTICS                      |
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| | INNODB_BUFFER_POOL_PAGES              |
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| | INNODB_BUFFER_POOL_PAGES_BLOB         |
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| | INNODB_BUFFER_POOL_PAGES_INDEX        |
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| | INNODB_CMP                            |
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| | INNODB_CMPMEM                         |
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| | INNODB_CMPMEM_RESET                   |
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| | INNODB_CMP_RESET                      |
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| | INNODB_INDEX_STATS                    |
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| | INNODB_LOCKS                          |
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| | INNODB_LOCK_WAITS                     |
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| | INNODB_RSEG                           |
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| | INNODB_SYS_COLUMNS                    |
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| | INNODB_SYS_FIELDS                     |
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| | INNODB_SYS_FOREIGN                    |
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| | INNODB_SYS_FOREIGN_COLS               |
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| | INNODB_SYS_INDEXES                    |
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| | INNODB_SYS_STATS                      |
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| | INNODB_SYS_TABLES                     |
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| | INNODB_SYS_TABLESTATS                 |
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| | INNODB_TABLE_STATS                    |
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| | INNODB_TRX                            |
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| | KEY_CACHES                            |
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| | KEY_COLUMN_USAGE                      |
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| | PARAMETERS                            |
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| | PARTITIONS                            |
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| | PLUGINS                               |
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| | PROCESSLIST                           |
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| | PROFILING                             |
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| | REFERENTIAL_CONSTRAINTS               |
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| | ROUTINES                              |
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| | SCHEMATA                              |
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| | SCHEMA_PRIVILEGES                     |
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| | SESSION_STATUS                        |
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| | SESSION_VARIABLES                     |
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| | STATISTICS                            |
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| | TABLES                                |
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| | TABLESPACES                           |
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| | TABLE_CONSTRAINTS                     |
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| | TABLE_PRIVILEGES                      |
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| | TABLE_STATISTICS                      |
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| | TRIGGERS                              |
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| | USER_PRIVILEGES                       |
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| | USER_STATISTICS                       |
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| | VIEWS                                 |
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| | XTRADB_ADMIN_COMMAND                  |
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| +---------------------------------------+
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| +---------------------------------------+
 | |
| +---------------------------------------+
 | |
| Database: INFORMATION_SCHEMA
 | |
| |                Tables                 |
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| | CHARACTER_SETS                        |
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| | CLIENT_STATISTICS                     |
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| | COLLATIONS                            |
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| | COLLATION_CHARACTER_SET_APPLICABILITY |
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| | COLUMNS                               |
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| | COLUMN_PRIVILEGES                     |
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| | ENGINES                               |
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| | EVENTS                                |
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| | FILES                                 |
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| | GLOBAL_STATUS                         |
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| | GLOBAL_VARIABLES                      |
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| | INDEX_STATISTICS                      |
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| | INNODB_BUFFER_POOL_PAGES              |
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| | INNODB_BUFFER_POOL_PAGES_BLOB         |
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| | INNODB_BUFFER_POOL_PAGES_INDEX        |
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| | INNODB_CMP                            |
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| | INNODB_CMPMEM                         |
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| | INNODB_CMPMEM_RESET                   |
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| | INNODB_CMP_RESET                      |
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| | INNODB_INDEX_STATS                    |
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| | INNODB_LOCKS                          |
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| | INNODB_LOCK_WAITS                     |
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| | INNODB_RSEG                           |
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| | INNODB_SYS_COLUMNS                    |
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| | INNODB_SYS_FIELDS                     |
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| | INNODB_SYS_FOREIGN                    |
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| | INNODB_SYS_FOREIGN_COLS               |
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| | INNODB_SYS_INDEXES                    |
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| | INNODB_SYS_STATS                      |
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| | INNODB_SYS_TABLES                     |
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| | INNODB_SYS_TABLESTATS                 |
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| | INNODB_TABLE_STATS                    |
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| | INNODB_TRX                            |
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| | KEY_CACHES                            |
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| | KEY_COLUMN_USAGE                      |
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| | PARAMETERS                            |
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| | PARTITIONS                            |
 | |
| | PLUGINS                               |
 | |
| | PROCESSLIST                           |
 | |
| | PROFILING                             |
 | |
| | REFERENTIAL_CONSTRAINTS               |
 | |
| | ROUTINES                              |
 | |
| | SCHEMATA                              |
 | |
| | SCHEMA_PRIVILEGES                     |
 | |
| | SESSION_STATUS                        |
 | |
| | SESSION_VARIABLES                     |
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| | STATISTICS                            |
 | |
| | TABLES                                |
 | |
| | TABLESPACES                           |
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| | TABLE_CONSTRAINTS                     |
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| | TABLE_PRIVILEGES                      |
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| | TABLE_STATISTICS                      |
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| | TRIGGERS                              |
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| | USER_PRIVILEGES                       |
 | |
| | USER_STATISTICS                       |
 | |
| | VIEWS                                 |
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| | XTRADB_ADMIN_COMMAND                  |
 | |
| +--------------------+
 | |
| +--------------------+
 | |
| +--------------------+
 | |
| Wildcard: inf_rmation_schema
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| |     Databases      |
 | |
| | information_schema |
 | |
| SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;
 | |
| table_schema	count(*)
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| information_schema	57
 | |
| mysql	23
 |