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23 lines
454 B
Plaintext
23 lines
454 B
Plaintext
DROP DATABASE IF EXISTS mcs120_db;
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CREATE DATABASE mcs120_db;
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USE mcs120_db;
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CREATE TABLE t1 (x INT)ENGINE=Columnstore;
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SELECT * FROM t1;
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x
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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0
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SHOW STATUS LIKE 'Empty_queries';
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Variable_name Value
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Empty_queries 1
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SELECT * FROM t1 LIMIT 0;
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x
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SHOW STATUS LIKE 'Empty_queries';
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Variable_name Value
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Empty_queries 2
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DROP TABLE t1;
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SHOW STATUS LIKE 'Empty_queries';
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Variable_name Value
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Empty_queries 2
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DROP DATABASE mcs120_db;
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