Integer to Character Conversion in SQL. SQL is a widely-used programming language for computer databases in business. Frequently, software developers need to combine different kinds of data, such ...

T-SQL has 30 different data types, as listed in Figure 1, in order of decreasing precedence. Generally speaking, when an operator combines two expressions of different data types, the rules for data ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases.

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types.

A new SQL Server 2025 feature lets organizations run vector-based semantic searches on their own data, connecting to local or cloud-hosted AI models without relying on massive general-purpose LLMs.

When both operand expressions have the same data type, the result of the operation has that data type. Figure 1. T-SQL data type precedence. The example shows a conventional example of the CHOOSE ...