他打开一个命令行窗口，连接到SAMPLE数据库，并尝试更新employee表中的雇员工资(当然这样的尝试会遭到失败)。
He opens a command line window, connects to the SAMPLE database and unsuccessfully tries to update the employee salaries in the employee table. He issues the following SQL statements.
如要看对实体e JB Category Bean下的数据库表进行更新的效果，请登录到数据库的命令行界面，并输入以下sql语句。
To see the effect of updating the database table underlying the CategoryBean entity EJB, sign on to the database's command-line interface and enter the following SQL statement.
如要看对实体e JB Category Bean下的数据库表进行更新的效果，请登录到数据库的命令行界面，并输入以下sql语句。
To see the effect of updating the database table underlying the CategoryBean entity EJB, sign on to the database's command-line interface and enter the following SQL statement.
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