Category Archives: sql

SQL – Injection Table of content If you take a user input through a webpage and insert it into an SQL database, there is a chance that you have left yourself wide open for a security issue known as the SQL Injection. This chapter will teach you how to help prevent this from happening and […]

SQL – Comments Table of content A comment is a piece of text that is used in programming languages to provide additional information. These comments are ignored by the compiler and do not affect the program”s functionality. They are not visible in the output after the execution of code. Their purpose is to make the […]

SQL – Wildcards SQL Wildcards SQL Wildcards are special characters used as substitutes for one or more characters in a string. They are used with the LIKE operator in SQL, to search for specific patterns in character strings or compare various strings. The LIKE operator in SQL is case-sensitive, so it will only match strings […]