摘要:
INNER JOIN多取值的情况,举例如下 比如A表一条数据 FIELD1 FIELD2 A1 A2 B表多条数据(假设三条) FIELDB1 FIELD1 FIELDB3 B1 A1 B2 B3 A1 B4 B5 B6 B7 如果用A INNER JION B AT FIELD2 WHERE FI 阅读全文
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