passing by 子句建立了 SQL 和 XQuery 上下文间的绑定。
The passing by clause establishes the binding between the SQL and the XQuery context.
确保在可信上下文中的WITH USE for子句中定义了用户ID或PUBLIC。
Ensure that the user ID or PUBLIC is defined in the WITH use FOR clause of the trusted context.
子句切换动态语句的执行上下文。
Clause to switch the execution context of a dynamic statement.
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