要查询用户的部门编号，使用以下语句。
In order to query the user's department number, use this statement.
可以根据表名或经过优化后的sql语句中的限定符(quantifier)编号识别表，sql语句显示在由db 2 exfmt工具生成的执行计划中。
You can identify a table by its name or by the quantifier number in the optimized SQL statement shown in the execution plan produced by the db2exfmt tool.
要查询本地变量hv_depnot的用户部门编号，使用以下语句。
In order to query the user's department number into host variable hv_depnot, use this statement.
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