https://systemmanagement.ro/categories/sql/ Recent content in SQL on System Management Hugo en-us Wed, 11 May 2022 21:33:26 +0300 https://systemmanagement.ro/oracle-sql-update-table-with-data-from-another-table/ Wed, 11 May 2022 14:57:56 +0300 https://systemmanagement.ro/oracle-sql-update-table-with-data-from-another-table/ Suppose you have a column in Table1 that you need to update with data from another column in Table2. Let’s do it! https://systemmanagement.ro/must-declare-the-scalar-variable-error-in-toad-for-sql/ Sun, 21 Feb 2021 10:40:30 +0200 https://systemmanagement.ro/must-declare-the-scalar-variable-error-in-toad-for-sql/ There are different execution needs depending on what you are doing. See when you need to use F5 and F9. https://systemmanagement.ro/examples-of-count-count-if-count-duplicates-in-sql/ Sat, 01 Jun 2019 17:13:14 +0300 https://systemmanagement.ro/examples-of-count-count-if-count-duplicates-in-sql/ Count: SELECT [ProductModel], COUNT(1) CNT FROM [AdventureWorks2017].[Production].[vProductAndDescription] GROUP BY [ProductModel] ORDER BY CNT DESC Count “if”: SELECT [ProductModel], [Name],COUNT(1) CNT FROM [AdventureWorks2017].[Production].[vProductAndDescription] WHERE [ProductModel] LIKE ‘%Frame’ AND [Name] LIKE ‘%52’ –here’s the IF statement GROUP BY [ProductModel], [Name] ORDER BY CNT DESC Count duplicates: SELECT [ProductModel], COUNT(1) CNT — select a field you want to… https://systemmanagement.ro/install-sql-server-on-a-64-bit-windows-server-missing-sqlncli_x64-msi/ Tue, 30 Nov 2010 12:14:43 +0200 https://systemmanagement.ro/install-sql-server-on-a-64-bit-windows-server-missing-sqlncli_x64-msi/ I had to install a copy of SQL Server 2005 on a Windows Server 2003 R2 SP2 x64. During installation I got a strange error saying that SQLncli_x64.msi file is missing. I was pretty sure that I have the same ISO file as I did while installing SQL so many times before and without any… https://systemmanagement.ro/problem-installing-wsus-on-a-remote-sql-server/ Fri, 08 Jan 2010 16:53:52 +0200 https://systemmanagement.ro/problem-installing-wsus-on-a-remote-sql-server/ Today I again learned a lesson I knew for some time but was hoping that I can forget it. The lesson was about: “Trust anyone. Test for yourself.” Having to install WSUS on a remote SQL 2005 that had WSUS database installed before, I asked one SQL guy if renaming the old WSUS database is…