Category «SQL»

How to Find Maximum of Multiple Columns? MS SQL

Today I want to share an interesting example that describes . Here is a filled table that contains the weekly sales report: It is necessary to find the . In our case, each column is a day of the week. I highlighted in red the values ‚Äč‚Äčthat should be obtained in our sample. To solve …

How to check if a function exists in a SQL database?

If you need to know if a function exists in the database(MS SQL) so that I can drop it and re-create it, you can use one of the following options: 1. Check using the sys.objects table IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[MySuperFunction]’) AND type IN ( N’FN’, N’IF’, N’TF’, N’FS’, N’FT’ …

How to check if a column exists in the SQL Server table

There are three common ways to check if column exists in the table Check column in the SYS.COLUMNS Check column in the INFORMATION_SCHEMA.COLUMNS Use COL_LENGTH function You can use any of these methods. Check Column exists Example Let’s check if the ‘DateOfBirth‘ column exists in the ‘dbo.Person‘ table. As you can see from the screenshot …

How to Connect SQL Management Studio with Local SQL Server Express?

In short: Open SQL Configuration Manager Check SQL Server State is ‘Running’ Open SQL Server Management Studio (SSMS) Use your Server Name and Windows Authentication 1. Open SQL Configuration Manager 2.Check SQL Server State is ‘Running’ “SQL Server Configuration Manager is a tool to manage the services associated with SQL Server, to configure the network …

How to Install Microsoft SQL Server 2019 Express Edition?

MS SQL Express is a free database server for learning and building small web and desktop applications. Here you will be guided on how to perform a new SQL Server 2019 Express Edition installation on a Windows 10. Follow these simple steps. 1. Download ‘SQL Server Installer for Express Editions’ Download URL https://www.microsoft.com/en-gb/download/details.aspx?id=101064 The name …