SQL Data Types
Explore the core SQL data types used in relational databases such as SQL Server, including VARCHAR, NVARCHAR, INT, DECIMAL, FLOAT, DATE, DATETIME, and BIT. Understand their uses, ranges, and storage implications to design efficient and optimized database tables.
SQL Server and other relational database management systems use data types to hold data in specific columns.
Different data types are available, depending on the data that we want to store. For instance, we may want to store currency values, a product number, and a product description. There are certain data types that we must use to store that information. Most data types between each RDBMS (keynote: Relational database management systems) are relatively the same, ...