mysql（五、子查询）
2015-10-07 11:03
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SELECT * FROM t_book WHERE booktypeId IN (SELECT id FROM t_booktype);
SELECT * FROM t_book WHERE booktypeId NOT IN (SELECT id FROM t_booktype);
SELECT * FROM t_book WHERE price>=(SELECT price FROM t_pricelevel WHERE priceLevel=1);
SELECT * FROM t_book WHERE EXISTS (SELECT * FROM t_booktype);
SELECT * FROM t_book WHERE NOT EXISTS (SELECT * FROM t_booktype);
SELECT * FROM t_book WHERE price>= ANY (SELECT price FROM t_pricelevel);
SELECT * FROM t_book WHERE price>= ALL (SELECT price FROM t_pricelevel);
SELECT * FROM t_book WHERE booktypeId NOT IN (SELECT id FROM t_booktype);
SELECT * FROM t_book WHERE price>=(SELECT price FROM t_pricelevel WHERE priceLevel=1);
SELECT * FROM t_book WHERE EXISTS (SELECT * FROM t_booktype);
SELECT * FROM t_book WHERE NOT EXISTS (SELECT * FROM t_booktype);
SELECT * FROM t_book WHERE price>= ANY (SELECT price FROM t_pricelevel);
SELECT * FROM t_book WHERE price>= ALL (SELECT price FROM t_pricelevel);
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