A primary key in a file is the field (or fields) whose value identifies a record among others in a data file.Database - is an integrated collection of logically related records or files.

database ease of updating-26

Each file contains an index that references one or more key fields of each data record to its storage location address.

Direct file organization provides the fastest direct access to records.

A database consolidates records previously stored in separate files into a common pool of data records that provides data for many applications.

The data is managed by systems software called database management systems (DBMS).

This setup might works good for few small businesses, because just having data to store does not require database. what is database " data-medium-file="https://i0com/

What's the difference between a Database and a Schema in SQL Server? If a Schema is deleted, then are all the tables contained in that schema also deleted automatically or are they deleted when the Database is deleted?

A database is the main container, it contains the data and log files, and all the schemas within it.

You always back up a database, it is a discrete unit on its own.

Sequential access is the main access mode only in batch systems, where files are used and updated at regular intervals.2.