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			27 lines
		
	
	
		
			922 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			922 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| drop table if exists t1;
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| CREATE TABLE t1 (
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| gesuchnr int(11) DEFAULT '0' NOT NULL,
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| benutzer_id int(11) DEFAULT '0' NOT NULL,
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| PRIMARY KEY (gesuchnr,benutzer_id)
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| );
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| replace into t1 (gesuchnr,benutzer_id) values (2,1);
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| replace into t1 (gesuchnr,benutzer_id) values (1,1);
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| replace into t1 (gesuchnr,benutzer_id) values (1,1);
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| alter table t1 engine=heap;
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| replace into t1 (gesuchnr,benutzer_id) values (1,1);
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| drop table t1;
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| create table t1 (a tinyint not null auto_increment primary key, b char(20) default "default_value");
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| insert into t1 values (126,"first"),(63, "middle"),(0,"last");
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| insert into t1 values (0,"error");
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| ERROR 23000: Duplicate entry '127' for key 'PRIMARY'
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| replace into t1 values (0,"error");
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| ERROR 23000: Duplicate entry '127' for key 'PRIMARY'
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| replace into t1 values (126,"first updated");
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| replace into t1 values (63,default);
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| select * from t1;
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| a	b
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| 126	first updated
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| 63	default_value
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| 127	last
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| drop table t1;
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