Sql中將string類型轉化成int類型並進行連表查詢

Sql中將string類型轉化成int類型並進行連表查詢，使用cast()函數：web select dt.name,zl.* from zl_deviceinterface as zl join devicetype as dt on cast(zl.devicetypeid as int)=dt.objectid where dt.name=‘電梯’ svg

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