T-SQL – Page 2 – SQL Circuit

SQL Server – Why SET NOCOUNT ON Should Be in Every Stored Procedure

SET NOCOUNT ON is a SQL Server command that stops the message showing how many rows were affected by a…

Below is the Employee Table Structure and Sample Data Using Group by & Sub Query

When it comes to SQL interviews, one of the most commonly asked and deceptively tricky questions is: “How do you…

In relational databases like SQL Server, MySQL, PostgreSQL, or Oracle, data integrity is crucial. One of the key constraints that…

SQL Server Error 3702 is a common roadblock when attempting to drop a database that still has active connections. The…

Deleting a database in SQL Server using a T-SQL script is a quick and efficient method ideal for automation, scripting,…

When working with Microsoft SQL Server, understanding system errors is crucial for effective debugging and troubleshooting. SQL Server comes with…

SQL Server acts as a secure, high-performance backbone for business data, ensuring Power BI has accurate and up-to-date information to…

Below is the T-SQL query which will give list of all the database schema(s) created by user. It will exclude…

Following are the reaons that why UDF degrade query performance:1) User defined function calls each row & get the data…

We can check truncation/ all rows deleted status by using the below query. E.g. Employee is a table. SELECT object_Name(object_id)…

We will use sp_MSforeachdb procedure which is an undocumented procedure that allows you to run the same command against all…