Subquery in SQL Server: Advanced SQL Queries Definition : A subquery, also known as an inner query or nested query, is a query within another query. It is a technique in which a query is written inside another query’s parentheses, allowing the outer query to use the results of the inner query as it...
SQL MERGE statement: Combine Tables - Advanced SQL Definition: The MERGE statement in SQL is a powerful command that combines data from two tables into a single table. It is used to perform a variety of data manipulation operations, such as updating, deleting, or inserting data into a target table ...
Temporary Tables in SQL Server: Definition, Types and Exmaples | SQL Temp Tables SQL Server Temporary tables Temporary tables are used to store data temporarily, usually for the duration of a session or transaction. Types of temporary tables Local temporary tables : These tables are only visible wi...
SQL - Create Database and Drop Database: Definition, Syntax and Examples Create Database: For creating a database there are two ways: By using CREATE DATABASE statement Using SQL Server Management Studio (Manually) We will create database using both method. By using CREATE DATABASE statement: You c...