2012年10月18日
SQL Server Interview Questions and Answers – Part 3
摘要： What is a NOLOCK?Using the NOLOCK query optimiser hint is generally considered good practice in order to improve concurrency on a busy system. When th... 阅读全文
posted @ 2012-10-18 14:59 july2008hll 阅读(188) 评论(0) 推荐(0)
SQL Server Interview Questions and Answers – Part 2
摘要： What is the difference between clustered and a non-clustered index?A clustered index is a special type of index that reorders the way records in the t... 阅读全文
posted @ 2012-10-18 14:58 july2008hll 阅读(236) 评论(0) 推荐(0)