# Microsoft T-SQL (Transact-SQL)
> Transact-SQL (T-SQL) is Microsoft's and Sybase's proprietary extension to the SQL (Structured Query Language) used to interact with relational databases. It expands on the SQL standard to include procedural programming, local variables, and various support functions for string processing, data processing, and mathematics. T-SQL is central to the operation of Microsoft SQL Server and Azure SQL Database services.
- URL: https://optimly.ai/brand/microsoft-t-sql-transact-sql
- Slug: microsoft-t-sql-transact-sql
- BAI Score: 94/100
- Archetype: Challenger
- Category: Technology
- Last Analyzed: April 10, 2026
- Part of: Microsoft (https://optimly.ai/brand/microsoft)
## Competitors
- IBM SQL PL (https://optimly.ai/brand/ibm-sql-pl)
- Oracle Plsql (https://optimly.ai/brand/oracle-plsql)