sql，INSERT INTO table_name (column1, column2)，SELECT a.column1, b.column2，FROM table_name a，JOIN table_name b ON a.id = b.id，WHERE some_condition;，`，，这段SQL语句将表 table_name 自身进行关联，并根据条件 some_condition` 将符合条件的数据插入到表中。sql，INSERT INTO table_name (column1, column2)，SELECT a.column1, b.column2，FROM table_name a，JOIN table_name b ON a.id = b.id，WHERE some_condition;，`，，这段SQL语句将表 table_name 自身进行关联，并根据条件 some_condition` 将符合条件的数据插入到表中。JOIN 语句来实现。，，``sql，SELECT a.column1, b.column2，FROM table1 AS a，JOIN table2 AS b ON a.foreign_key = b.primary_key;，``JOIN 语句，可以结合多个表的数据进行查询。Powered By Z-BlogPHP 1.7.3
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