SELECT @ROWNUM := @ROWNUM + 1 IDCODE, @ROWNUM, ID, NAME FROM SYS_AREA, (SELECT @ROWNUM := 0) NUM
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SELECT @ROWNUM := @ROWNUM + 1 IDCODE, @ROWNUM, ID, NAME FROM SYS_AREA, (SELECT @ROWNUM := 0) NUM
转载于:https://www.cnblogs.com/Dream-Lasting/p/8991030.html