SQL

SQL Constraints

byNiranjan Shetty •

What is SQL Constraints ? When you’re creating a relational database tables, you often want to impose certain restrictions or have rules on some columns to maintain the integrity and accuracy of that column’s data.. If there is any violation between t…

SQL Joins

byNiranjan Shetty •

What is SQL Join ? A SQL Join is used to fetch or combine data (rows or columns) from two or more tables based on the defined conditions

SQL Introduction

byNiranjan Shetty •

What is SQL ? SQL is an acronym for Structured Query Language SQL is used to communicate with relational databases Some common relational database management systems that use SQL include Microsoft SQL Server, MySQL, PostgreSQL, MariaDB, and Oracle SQL…

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