ALTER TABLE

SQL ALTER TABLE Statement An existing database table structure can be changed using the SQL (Structured Query Language) command ALTER TABLE. Within a table, it … Read more

SQL CREATE TABLE Statement

The SQL CREATE TABLE Statement To create a table, you specify the table name and define columns along with their data types in sql.The SQL … Read more

SQL Operators

The SQL Operators With SQL queries, several operations are carried out on the data using SQL operators. Many SQL operators, such as SQL arithmetic operators, … Read more

SQL Comments

The SQL Comments SQL comments are used to describe SQL sections or codes or to stop the execution of SQL commands, and comments are ignored … Read more

SQL NULL Functions

SQL NULL Functions

The SQL NULL Functions There are several SQL NULL functions and operators that you can use to work with NULL values, which represent missing or … Read more