SQL Table
SQL Table is a collection of data organized in terms of rows and column. Table…
SQL
SQL Database Statements
The SQL CREATE RENAME and SELECT DATABASE statements is used by a developer to create and database.
SQL Expression
An SQL expression is a combination of one or more values, operators, and SQL functions…
Unique and Alternate Keys in SQL
UNIQUE KEY IN SQL: A unique key is a set of one or more than…
SQL Keys
SQL Primary Key A column or columns is called primary key (PK) that uniquely identifies…
SQL Syntax and Data Types
SQL follows some unique set of rules and guidelines called syntax. Here, we are providing…
Database Normalization
Database normalization is the process of efficiently organizing data in a database. There are two…
SQL Constraints & Data Integrity
SQL Constraints are the rules enforced on data columns on table. These are used to…
RDBMS Basics
What is RDBMS? RDBMS stands for Relational Database Management Systems. All modern database management systems…
SQL Process & Parts
When you are executing an SQL command for any RDBMS, the system determines the best…