tsql

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Insert or Update rows Via XML in SQL Server (Bulk)

Hi I Can not seem to wrap my head around how to parse an Xml document and the decide if it needs inserting or updating.[详细]

2023-04-11 09:22 分类：问答
Moving data between fields in destination table in T-SQL MERGE

I have a SQL MERGE statement that does an UPDATE if a value exists (and an INSERT if it does). I\'d like to record the last few \"historical\" values in the row when an UPDATE happens, sort of like th[详细]

2023-04-11 07:46 分类：问答
Using a custom aggregate function in a GROUP BY?

I have a simple MEDIAN calculation function: IF OBJECT_ID(N\'COMPUTEMEDIAN\', N\'FN\') IS NOT NULL DROP FUNCTION dbo.COMPUTEMEDIAN;[详细]

2023-04-11 07:25 分类：问答
How can I convert the division of two integer values to a decimal using T-SQL against a iSeries AS/400 Database?

Assuming the follo开发者_如何学Cwing query: SELECT ID, COUNT(1) AS NumRecords, SUM(Quantity) AS TotalQty[详细]

2023-04-11 07:15 分类：问答
speed up SQL Query

I have a query which is taking some serious time to execute on anything older than the past, say, hours worth of data.This is going to create a view which will be used for datamining, so the expectati[详细]

2023-04-11 07:09 分类：问答
What is the difference between being a db_owner and having GRANT ALL?

I have been using the following SQL to create a user, login and database. USE master; GO CREATE DATABASE TEST;[详细]

2023-04-11 06:35 分类：问答
Regular Expression to Match All Comments in a T-SQL Script

I need a Regular Expression to capture ALL comments in a block of T-SQL.The Expression will need to work with the .Net Regex Class.[详细]

2023-04-11 06:30 分类：问答
How to add a join based on parameter passed in stored procedure

Can I add a inner join or left join or right join based on parameter value. The only way right now I have is writing a dynamic query like[详细]

2023-04-11 05:23 分类：问答
Query the contents of stored procedures on SQL Server

I am exploring a legacy database system and have very little knowledge of its internals. I would like to find all the stored procedures that invoke another stored proce开发者_开发技巧dure A.[详细]

2023-04-11 04:55 分类：问答
How should I process progressive status codes in a database?

I\'m working on a project for an academic institution and I need advice on the best way to approach this problem. It\'s been a long time since I did any traditional application development (close to f[详细]

2023-04-11 04:14 分类：问答