2013年2月22日

sql server 内置函数

摘要: function Binary_CheckSum对大小写敏感,想忽略大小写可用CheckSum.These functions are also valuable for comparing and indexing long string columns. Instead of creating an index on such column, you can add a column based onthe checksum or binary checksum of the value in the string column and index it instead. This typ 阅读全文

posted @ 2013-02-22 14:38 齐文宣 阅读(160) 评论(0) 推荐(0)

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