This category contains all SQL related articles
Introduction Tables can be defined as the structure which contains the data in the database. This article discuss about the […]
Different ways to create a table and insert data into the table Read Post »
Both Primary key and Unique key enforce uniqueness of the column on which they are defined but still there are
Query Query can be defined as a way to inquire the data from the database. It is used to extract
Difference between Subquery, Nested Subquery and Correlated Subquery Read Post »