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日期:2024-11-13
Trakal Says: September 11, 2007 at 4:12 am Hello, I don’t write the comment for this article but i just want to know a function of SQL Server for Oracle. for exemple, CREATE PROCEDURE [dbo].[test] ( @username[nvarchar] (64) = NULL) AS IF@username IS NULL...
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日期:2024-11-16
這裡要註意一點,最後一行的ELSE salary是必需的,要是沒有這行,不符合這兩個條件的人的工資將會被寫成NUll,那可就大事不妙了。在Case函數中Else部分的預設值是NULL,這點是需要註意的地方。...
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日期:2024-11-17
SELECT DISTINCT Name , MIN(Rate) OVER (PARTITION BY edh.DepartmentID) AS MinSalary , MAX(Rate) OVER (PARTITION BY edh.DepartmentID) AS MaxSalary , AVG(Rate) OVER (PARTITION BY edh.DepartmentID) AS AvgSalary ,COUNT ......
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日期:2024-11-14
2012年12月27日 - I want to count the number of distinct items in a column subject to a certain .... Suggestions for Microsoft Ribbon UI where multiple actions are required across groups....
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日期:2024-11-18
select count(case when checked = 0 then messageFromID else NULL end) as OutboundMessages_UnChecked,count(case when checked = 1 then messageFromID else NULL end) as OutboundMessages_checked, count(messageFromID) as ......
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日期:2024-11-13
Hi, I am sure you are not trying this code on SQL Server 2008. The errors you are getting is simply because of these statements: DECLARE @PC VARCHAR(20)='A12CB' DECLARE @Price INT = 50 DECLARE @COUNT INT = 0 That's because other versions of ......
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日期:2024-11-14
Encrypted Backup in SQL Server 2014 Encryption for Backups is a new feature introduced in SQL Server 2014 and the benefits of this option are 1.Encrypting the database backups helps secure the data. 2.Encryption can also be used for databases that are ......
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日期:2024-11-12
How to count work days between 2 dates in SQL Server; Author: Nitesh Luharuka; Updated: 9 Jan 2014; Section: ATL Server; Chapter: Web Development; Updated: 9 Jan 2014 ... An Independent IT Professional and Consultant on MS Technologies like .Net | MVC ......