How is data stored in SQL database?

How is data storage in database?

Relational databases store data in tables. Think of a table as a spreadsheet. The database stores data for each table in a row, just like in a spreadsheet. There are lots of different column types, but a column type is just a fancy way of defining the format of a column.

How is data stored on SQL Server?

Have you ever wondered how SQL server physically stores table data internally? Well, data in tables is stored in row and column format at the logical level, but physically it stores data in something called data pages. A data page is the fundamental unit of data storage in SQL Server and it is 8KB in size.

How does SQL store records?

A record, also known as a row, is the smallest storage structure in a SQL Server data file. Each row in a table is stored as an individual record on disk. Not only table data is stored as records, but also indexes, metadata, database boot structures and so forth.

Where are SQL database files stored?

SQL Server databases are stored in the file system in files. Files can be grouped into filegroups. For more information about files and filegroups, see Database Files and Filegroups.