CREATE TABLE table1(kid char(2),color varchar(9));
INSERT INTO table1('k1'.'yello');
INSERT INTO table1('k1'.'red');
INSERT INTO table1('k2'.'yello');
INSERT INTO table1('k2'.'blue');
INSERT INTO table1('k3'.'yello');
CREATE TABLE table1(kid char(2),color varchar(9
阅读背景：
什么是下表的sql查询？
来源：互联网
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