You want a record of all queries that are not using indexes. How would you achieve this?（） A: By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically B: By enabling the Error Log because not using indexes is an error C: By enabling the Slow Query Log and using the – log-queries-not-using-indexes option D: By enabling the Error Log and using the – log-queries-not-using-indexes optio

You are a database administrator for your company. You are responsible for a SQL Server 2005 database that has several indexes. You need to write a stored procedure that checks the indexes for fragmentation. Which Transact-SQL statement should you use？（） A: DBCC DBREINDEX B: SELECT * FROM sys.dm_db_index_physical_stats C: DBCC INDEXDEFRAG D: SELECT * FROM sys.indexe

You are a database administrator for your company. You are responsible for a SQL Server 2005 database that has several indexes. You need to write a stored procedure that checks the indexes for fragmentation. Which Transact-SQL statement should you use？（） A: DBCC DBREINDEX B: SELECT * FROM sys.dm_db_index_physical_stats C: DBCC INDEXDEFRAG D: SELECT * FROM sys.indexes

Which indexes are economic indexes of Rankine Cycle ( ) A: Thermal efficiency B: Coal rate C: Heat rate D: Steam rate

Indexes are _______. A: primary sources B: secondary sources C: tertiary sources

In Access, you can only create duplicate indexes for primary keywords.

Which of the following citation indexes was not originally published by the Institute for Scientific Information (ISI)?

名义的和实际的有效汇率指数( nominal and real effective exchange rate indexes)

Its value is determined by ________ in the underlying asset. A: Fluctuations B: Interest rates C: Market indexes D: Stocks

Bitmap indexes are best suited for columns with;() A: High selectivity B: Low selectivity C: High inserts D: high updates