Format your SQL query using these tips. You can spot errors easily and quickly.
SQL count(*) in query is little tricky. This post explains why you need to use group by along with count aggregate function
In this post I have given top online resources where you can do practice of MySQL without install it on your laptop.
Useful string functions for smart SQL developers to write better queries. Useful to read now.
I have given three ideas to improve SQL performance in this post. Quickly you can implement in your project.
SQL DATE and Time comparison popular styles and SQL queries useful to read for your project.
SQL Order of execution is sequence of steps. The database executes each Query in a particular order. Read more.
SQL ALTER statement you can use to add columns to existing TABLE in RDBMS. Not only TABLE you can read all database object where you can use ALTER.