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 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
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
The SQL CREATE DATABASE Statement The SQL CREATE DATABASE statement is used to create a new database with the help of DBUA and the command … Read more
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
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
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
The SQL CASE Expression The SQL CASE expression is a powerful tool for conditional logic within a query and return a value when first condition … Read more
The SQL INSERT INTO SELECT Statement The SQL INSERT INTO SELECT statement is used to insert or copy data into a table from an old … Read more
The SQL SELECT INTO Statement Using the SQL SELECT INTO statement to transfer data from one table into a newly created table in sql, It … Read more
The SQL ANY and ALL Operators The sql ANY and ALL operators are used in combination with subqueries to compare a single value with a … Read more