2012年10月18日
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)
2012年10月16日
select into table 和create table as
摘要： select [name],[id],[country] into[new_sanguo] from [sanguo]where [sex]='Male'复制[sanguo]中所有[sex]='Male'的数据sql server而create table new_sanguo asselect [... 阅读全文
posted @ 2012-10-16 17:04 july2008hll 阅读(213) 评论(0) 推荐(0)
SQL Server Interview Questions and Answers-Part I
摘要： What is RDBMS?Relational Data Base Management Systems (RDBMS) are database management systems that maintain data records and indices in tables. Relati... 阅读全文
posted @ 2012-10-16 11:07 july2008hll 阅读(268) 评论(0) 推荐(0)