Handling NULL values in SQL
Today’s topic is missing values in a database. It is very common to get databases with some or lots of missing data in them. Missing data may make data retrieval…
Built-in Functions in SQL with Examples
In previous article on SQL, I focused only on some basic queries. This article will talk about the built-in-functions. Built-in-functions are used in the SQL statement to speed up the…
SQL Basics and Data Retrieving Techniques with Examples
SQL – stands for Structured Query Language is used to communicate with database. It is very commonly used for relational database management systems. What is relational database? Data can be…