Page 86 - Modular_V2.0_SQL_Flipbook

GLOSSARY

Aliases: Aliases are used to give a table or column, a temporary name.

Database: A database is defined as an organised collection of data that can be visualised
as a container of information.

Database Server: Database servers are dedicated computers that can hold the actual
databases.

Function: Function is a set of predefined commands that perform specific operation to
return a value to the program.

Index: An index is a structure that is used to improve the performance of database activity.

JOIN: A JOIN clause is used to combine rows or two tables based on at least one between
them.

MySQL: MySQL is an open-source RDBMS software which is available free of cost.

RDBMS: RDBMS is a relational DBMS in which tables are linked to each other by fields.

Relational model: A relational model can be represented as a table of rows and columns.

SQL: SQL is the standard language for managing relational databases and performing
various operations on the data in the tables.

Subquery: A subquery can be defined as a query within another query.

View: A view is a temporary table which is created on the basis of table.

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