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SQL Server Profiler for Peformance Issues

Setup to listen for events in “Errors and Warnings” Setup to listen for specific stored procedure name (TextData) and duration (greater than certain value) for SQL:BatchCompleted using Column Filters.

Database Hash Warning

A hash warning event means that part of the data processed for a hash operation was written to tempdb. This means that a hash join or hash aggregate has run out of memory and been forced to spill information to disk (tempdb) during query execution, which can degrade the SQL Server performance. While spills are something... » read more

FULL OUTER JOIN

https://www.w3schools.com/sql/sql_join_full.asp The FULL OUTER JOIN keyword returns all matching records from both tables whether the other table matches or not. So, if there are rows in “Customers” that do not have matches in “Orders”, or if there are rows in “Orders” that do not have matches in “Customers”, those rows will be listed as well.

Making Always On More Reliable

Increasing the Failover Maximum failures in a specified period will enhance the cluster service for making more attempts in keeping the role up and working. You can increase Maximum failures in a specified time period to 5 or more. Default is 2 in 6 hours. Failover Cluster Manager -> Roles -> click on resource ->... » read more

No Global Profile Is Configured

Error: No Global Profile Is Configured Resolution: 1.  Open database mail configuration by logging into SQL Server Management studio and expanding Management and right clicking on DatabaseMail, then choosing configure: 2.  Choose Manage Profile Security. 3.  Configure your profile to be the default profile: There’s no need to restart anything, your maintenance plan should now send... » read more

Could not drop object ‘xxxxx’ because it is referenced by a FOREIGN KEY constraint

Resolution: Find Constraints Drop Constraints TRUNCATE Table Data Recreate Constraints Sources:

Check if Object exist in the Database

How can I tell what version of SQL Server that I have?

Example: -1253826760 = Desktop -1592396055 = Express -1534726760 = Standard 1333529388 = Workgroup 1804890536 = Enterprise -323382091 = Personal -2117995310 = Developer 610778273 = Enterprise Evaluation 1044790755 = Windows Embedded SQL 4161255391 = Express with Advanced Services

Install .NET 6 Entity Framework

Install the following packages from Nuget Package Manager… Microsoft.EntityFrameworkCore Microsoft.EntityFrameworkCore.Design Microsoft.EntityFrameworkCore.SqlServer Install Entity Framework.. Check to see if Entity Framework is installed You will get the following if EF is not installed… dotnet : Could not execute because the specified command or file was not found. At line:1 char:1 + dotnet ef + ~~~~~~~~~ +... » read more

ASP.NET 6 Web API

Create New Project Template: ASP.NET Core Web API Framework: .NET 6.0 Check “Configure for HTTPS“ Check “Use controllers (uncheck to use minimal API)” for controller vs minimal API Check “Enable OpenAPI support” for Swagger OpenAPI support Book Class Book Controller or … For Delete, pass in object instead of id. BookController using Entity Framework Example: