107 lines
1.6 KiB
SQL
107 lines
1.6 KiB
SQL
set ob_query_timeout=1000000000;
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--disable_warnings
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drop database if exists px_test;
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--enable_warnings
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create database px_test;
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use px_test;
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# 场景：一个年级 6 个班，修了2门课，英语和数学
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create table stu (
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sid int,
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name varchar(32),
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cls int,
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primary key (cls, sid)
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) partition by hash(sid) partitions 6;
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create table teacher (
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tid int,
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name varchar(32),
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subject varchar(4),
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primary key (tid)
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) partition by hash(tid) partitions 8;
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create table score (
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sid int,
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subject varchar(4),
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score int,
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primary key (sid, subject)
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) partition by hash(sid) partitions 6;
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insert into stu values
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(11, 'a1', 1),
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(12, 'b1', 1),
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(13, 'c1', 1),
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(21, 'a2', 2),
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(22, 'b2', 2),
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(31, 'a3', 3),
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(41, 'a4', 4),
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(42, 'b4', 4),
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(51, 'a5', 5),
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(52, 'b5', 5),
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(61, 'a6', 6),
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(62, 'b6', 6),
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(63, 'c6', 6),
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(64, 'd6', 6);
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insert into teacher values
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(1, 'Miss Zhang', 'EN'),
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(2, 'Mr Wang', 'MA');
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insert into score values
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(11, 'EN', 60),
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(12, 'EN', 70),
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(13, 'EN', 80),
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(21, 'EN', 58),
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(22, 'EN', 90),
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(31, 'EN', 80),
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(41, 'EN', 80),
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(42, 'EN', 90),
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(51, 'EN', 89),
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(52, 'EN', 99),
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(61, 'EN', 100),
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(62, 'EN', 90),
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(63, 'EN', 99),
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(64, 'EN', 87);
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insert into score values
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(11, 'MA', 60),
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(12, 'MA', 70),
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(13, 'MA', 80),
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(21, 'MA', 58),
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(22, 'MA', 90),
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(31, 'MA', 80),
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(41, 'MA', 80),
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(42, 'MA', 90),
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(51, 'MA', 89),
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(52, 'MA', 99),
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(61, 'MA', 100),
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(62, 'MA', 90),
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(63, 'MA', 99),
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(64, 'MA', 87);
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--disable_query_log
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--disable_result_log
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select * from stu;
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select * from teacher;
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select * from score;
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--enable_query_log
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--enable_result_log
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