ORDER BY CLAUSE IN SQL
To sort records in SQL, you’ll need to use the ORDER BY clause. In this article, I’ll explain in detail how to use ORDER BY to sort output by one or more…
How to Use LIKE Operator in SQL: SQL Pattern Matching
How to Use LIKE Operator in SQL: SQL Pattern Matching
In this article, we’ll examine how you can use LIKE Operator in SQL to search substrings. We’ll also make the distinction between SQL exact match and SQL partial match by explaining how you can…
How to Convert a String to Lowercase in SQL
Use the SQL LOWER() function if you want to convert a string column to lowercase. This function takes only one argument: the column whose values you want to lowercase. Our database has…
TOP 10 Advanced SQL Interview Questions And Answers
TOP 10 Advanced SQL Interview Questions And Answers
Question 1: What is an index? What are the two main index types? An index is a structure in a database that can help retrieve data faster. When you search…
What is a Database? What are the Types and Components of it ?
Data is information and to organize this data, you require a Database. This article on What is a Database will help you understand the definition, the different types, their advantages…
TOP 25 Advanced SQL Interview Questions And Answers
Top 25 SQL Interview Questions You Must Prepare
Q1. What are the different subsets of SQL? Data Definition Language (DDL) – It allows you to perform various operations on the database such as CREATE, ALTER, and DELETE objects.…