Select to create a primary key. Add a primary key to every database table to uniquely identify each record. For some database systems within %PRODUCTNAME, a primary key is mandatory for editing the tables.
选择创建主关键字。将主关键字添加到每个数据库，以便唯一识别每条记录。对于 %PRODUCTNAME 内的某些数据库系统，编辑表格时必须提供主关键字。