Does Primary Key Allow NULL in SQL Server? Let’s Test It
A Primary Key doesn’t allow NULL values because it must uniquely identify each row in the table. If NULLs were…
Category: SQL Server
SQL Server – How Primary Key Ensures Unique Records in Database
In relational databases like SQL Server, MySQL, PostgreSQL, or Oracle, data integrity is crucial. One of the key constraints that…
Quick Fix: SQL Server Error 3702 – Cannot Drop Database Because It Is Currently in Use
SQL Server Error 3702 is a common roadblock when attempting to drop a database that still has active connections. The…
How to Delete a Database in SQL Server using T-SQL
Deleting a database in SQL Server using a T-SQL script is a quick and efficient method ideal for automation, scripting,…
How to Delete a SQL Server Database Safely
A SQL Server database may be deleted when it’s no longer needed, such as after migration, project completion, or in…
How to Get All SQL Server Error Codes and Messages Using T-SQL
When working with Microsoft SQL Server, understanding system errors is crucial for effective debugging and troubleshooting. SQL Server comes with…
Fixing SQL Server SSL Error: The Certificate Chain Was Issued by an Untrusted Authority
When connecting to SQL Server, you might encounter this login error: “A connection was successfully established with the server, but…
How to connect to SQL Server in Power BI
SQL Server acts as a secure, high-performance backbone for business data, ensuring Power BI has accurate and up-to-date information to…
Oracle – How to Connect to Oracle Database Using SQL Developer
Oracle Database is a robust, enterprise-level relational database management system used worldwide for storing, managing, and retrieving structured data. It…
SSRS Performance Issue – Large SSRS report causing restart of server
Following things can be checked to resolve the issue: 1) Run the report query in SSMS and see whether it…
SSIS – Performance issue with SQL Sever Agent Job exeuting SSIS packages
Following are the suggestions: 1) If your SSIS server is shared instance then there could be possibility that your IO/memory…
SQL Server Issue – SQL Server Database struck in Recovery Mode
Scenario: We can not restore the same with latest backup because the DB is critical and there is no latest…