SQL Data Types

SQL data types define the kind of data stored in a database column, similar to how containers hold specific items. For example, "INTEGER" is for whole numbers like 1 or 100. "VARCHAR" holds text like names or descriptions, with a limit on length. "DATE" stores calendar dates. "DECIMAL" keeps precise decimal numbers, useful for money. Choosing the right type ensures data is stored efficiently and correctly. In short, data types tell the database what kind of information goes into each column, helping with accurate storage, retrieval, and processing.