What is Join in SQL | 7 Types of Join | Inner Join, Full Join, Left Join, Right Join

Join in SQL

SQL stands for Structured Query Language where Join is an important concept to merge two data sets by using primary key or unique key. SQL is based on the concept of Relational Algebra. In other words, it can be said the it is the application of Relational Algebra. SQL was developed by Raymond Boyce & … Read more