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50 lines
694 B
SQL
50 lines
694 B
SQL
DROP DATABASE IF EXISTS cardb;
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CREATE DATABASE cardb;
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USE cardb;
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CREATE TABLE t (
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high INT UNSIGNED NOT NULL,
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low INT UNSIGNED NOT NULL,
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INDEX a (low),
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INDEX b (high),
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INDEX c (low)
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) ENGINE=InnoDB;
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INSERT INTO t VALUES
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(1, 1),
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(2, 1),
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(3, 1),
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(4, 1),
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(5, 1),
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(6, 1),
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(7, 1),
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(8, 1),
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(9, 1),
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(10, 1),
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(11, 1),
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(12, 1),
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(13, 1),
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(14, 1),
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(15, 1),
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(16, 1),
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(17, 1),
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(18, 1),
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(19, 1),
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(20, 1),
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(21, 2),
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(22, 2),
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(23, 2),
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(24, 2),
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(25, 2),
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(26, 2),
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(27, 2),
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(28, 2),
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(29, 2),
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(30, 2),
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(31, 2),
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(32, 2),
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(33, 2),
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(34, 2),
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(35, 2),
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(36, 2),
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(37, 2);
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ANALYZE TABLE t;
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