2014 年 9月 8 日随笔档案 - Coldest Winter

2014年9月8日

Row versus Set Processing, Surprise!（集合处理和单行处理数据的差异性）

摘要： Row versus Set Processing, Surprise!Craig Shallahamer:1. Set based processing will likely be much faster than row based processing. Our experiment of ... 阅读全文

posted @ 2014-09-08 16:38 Coldest Winter 阅读(246) 评论(0) 推荐(0) 编辑

5 Recommendations About Cursor FOR Loops in Oracle PL/SQL

摘要： 5 Recommendations About Cursor FOR Loops in Oracle PL/SQLA cursor FOR loop is aPL/SQL loop statement. It is a loop that is associated with a cursor em... 阅读全文

posted @ 2014-09-08 16:37 Coldest Winter 阅读(145) 评论(0) 推荐(0) 编辑