按GB7588-2003《电梯制造与安装安全规范》规定，轿厢内部的净高度至少为（）。 1.8。 2.0。 2.1。 2.2。
You are creating a view to join the Customers and Orders tables in a SQL Server 2005 database. You need to ensure that the view cannot be affected by modifications to underlying table schemas. You want to accomplish this goal by using the least possible amount of overhead. What should you do?（） Create CHECK constraints on the tables. 。 Create a DDL trigger to roll back any changes to the tables if the changes affect the columns in the view. 。 Create the view, specifying the WITH SCHEMABINDING option. 。 Create the view, specifying the WITH CHECK option.&e。
教学中事实性知识的原则要求是（）。
按照重置方式的不同，重置成本可分为（）和（）。 复原重置成本。 更新重置成本。 直接重置成本。 间接重置成本。
You need to design the database permissions for access from the terminals to the database server. Which action or actions should you perform?（） Create a database role named BankTerminals.。 Grant the BankTerminals role the Execute permission for the WoodgroveBanking database.。 Grant database access to the Windows Bank Terminals group， and add the group to the BankTerminals role.。 Grant the BankTerminals role the Execute permission for the Bank schema.。 Grant the Windows Bank Terminals group the Execute permission for the Bank schema.。 Grant the BankTerminals role the Execute permission for all stored procedures and user-defined functions in the Bank schema.。
EDI整流器间歇式出现故障是因为（）
