CREATE TABLE db_set ( set1 SET('x', 'y', 'z') NOT NULL, enum1 ENUM('one', 'two', 'three') NOT NULL ); truncate table db_set; insert into db_set values(1,1); -- 'x', 'one' insert into db_set values(2,2); -- 'y', 'two' insert into db_set values(3,3); -- 'x,y', 'three' insert into db_set values(3,1); -- 'x,y', 'one' insert into db_set values(4,1); -- 'z', 'one' insert into db_set values(5,1); -- 'x,z', 'one' insert into db_set values(6,1); -- 'y,z', 'one' insert into db_set values(7,1); -- 'x,y,z', 'one' insert into db_set values(8,1); -- -- one insert into db_set values(9,1); -- 'x', 'one' insert into db_set values(10,1); -- 'y', 'one' select * from db_set; truncate table db_set; CREATE TABLE db_set2 ( set1 SET('a', 'b', 'c','d') NOT NULL ); -- a=1,b=2,c=4,d=8 truncate table db_set2; insert into db_set2 values(1); -- a insert into db_set2 values(2); -- b insert into db_set2 values(3); -- a,b insert into db_set2 values(4); -- c insert into db_set2 values(5); -- a,c insert into db_set2 values(6); -- b,c insert into db_set2 values(7); -- a,b,c insert into db_set2 values(8); -- d insert into db_set2 values(9); -- a,d insert into db_set2 values(10);-- b,d select * from db_set2; truncate table db_set2;
mysql 类型
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