January 2023
Beginner to intermediate
528 pages
11h 26m
English
EXAM✓CRAM
The CompTIA® Data+DA0-001 CramSheet
A database is a system for saving and processing data in a well-organized structure such that the information can be easily manipulated and accessed.
Structured Query Language (SQL) is used to perform various operations on databases. These operations include inserting, updating, and deleting data by leveraging INSERT, UPDATE, and DELETE statements to manipulate the values stored in a table.
A relational database stores data in rows and columns. Examples of relational database management systems include Microsoft SQL, MySQL, and PostgreSQL.
A non-relational database (also known as a NoSQL database) is a database that does not use tables, fields, and columns ...