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37 lines
484 B
SQL
37 lines
484 B
SQL
DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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CREATE TABLE t1
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(
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`n` Int8
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)
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ENGINE = Memory
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COMMENT 'this is a temtorary table';
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CREATE TABLE t2
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(
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`n` Int8
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)
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ENGINE = MergeTree
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ORDER BY n
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COMMENT 'this is a MergeTree table';
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CREATE TABLE t3
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(
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`n` Int8
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)
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ENGINE = Log
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COMMENT 'this is a Log table';
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SELECT
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database,
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name,
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comment
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FROM system.tables
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WHERE name IN ('t1', 't2', 't3');
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DROP TABLE t1;
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DROP TABLE t2;
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DROP TABLE t3;
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