【单选题】select查询语句中,( )子句的作用是执行选择运算。
【单选题】•Read the article below about team-building. •Choose the correct word to fill each gap, from A, B or C on the next page. •For each question (29-40), mark one letter (A, B or C) on your Answer Sheet. T...
【简答题】Listen to the conversation and choose the correct answer. Conversation E
【单选题】在 SQL Server 的 SELECT 查询语句中, FROM 子句的作用是 ______ 。
【单选题】•Read the information about Telecommuter. •Choose the correct word to fill in each gap, from A, B or C below. •For each question 29-40, mark one letter (A, B or C) on your Answer Sheet. Telecommuter p...
【单选题】在 SQL Server 的 SELECT 查询语句中, WHERE 子句的作用是 ______ 。
【单选题】在 SQL Server 2008 的 SELECT 查询语句中, WHERE 子句的作用是 ______ 。
【单选题】?Read the article below about cars in America. ?Choose the correct word or phrase to fill each gap from A, B, C, or D. ?For each question 21--30, mark one letter (A, B, C, or D) on your Answer Sheet. ...
【单选题】select查询语句中,( )子句的作用是执行投影运算。
【单选题】在 SQL Server 的 SELECT 查询语句中, FROM 子句的作用是 ______ 。