Sql中将string类型转化成int类型并进行连表查询

Sql中将string类型转化成int类型并进行连表查询，使用cast()函数：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=‘电梯’ svg

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