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20 lines
259 B
SQL
20 lines
259 B
SQL
DROP DATABASE IF EXISTS test;
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CREATE DATABASE test;
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USE test;
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CREATE TABLE test.t1 (
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id int,
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f2 int,
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f3 int NULL,
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f4 int,
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PRIMARY KEY (id)
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);
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INSERT INTO test.t1 VALUES
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(1,1,1,1),
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(2,1,1,1),
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(3,1,2,1),
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(4,2,NULL,2),
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(5,3,NULL,2),
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(6,4,4,4),
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(7,4,4,4);
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