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from http://www.itpub.net/thread-1852897-1-1.html有论坛朋友在上面的帖子里问SQL为什么不走索引,正好这两天我也刚刚在看SQL优化,于是试着回答了一下.下面是原来的SQL:select o.order_id as orderIdfrom order_i... 阅读全文
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Running total for Oracle:SELECT somedate, somevalue,SUM(somevalue) OVER(ORDER BY somedateROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)AS RunningTo... 阅读全文
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CREATE PROCEDURE SP_EXEC_WITH_LOG(@I_TICKETNO VARCHAR(10),@I_SQLSTR nvarchar(max))ASBEGIN DECLARE @QUOTATION_TRANSFER_STR nvarchar(max); SET @QUOTATIO... 阅读全文
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The server file is created when you install TortoiseSVN, Eclipse or command-line Subversion. Use the appropriate path from the installation folder to ... 阅读全文