How To Use DENSE_RANK() Function In SQL
SQL

In this article, we will learn how to use the DENSE_RANK() function with a SQL select query.

The DENSE_RANK() is a window function that returns a unique rank number for each distinct row within a partition of a result set, with no gaps in ranking values.

How To Use RANK() Function In SQL
SQL

In this article, we will learn how to use the RANK() function with a SQL select query.

The RANK() is a window function that returns a unique rank number for each distinct row within a partition of a result set.

How To Use ROW_NUMBER() Function In SQL
SQL

In this article, we will learn how to use ROW_NUMBER() function with a SQL select query.

The ROW_NUMBER() is a window function that returns a unique sequential integer for each row within a partition of a result set.

How To Use Comments In SQL
SQL

In this article, we will learn how to use the Comments in SQL.

Comments can be used to explain sections of SQL statements, and to make it more readable. It can also be used to prevent execution when testing alternative SQL statements.

How To Use WHILE Loop In SQL
SQL

In this article, we will learn how to use the WHILE loop in SQL.

The WHILE loop loops through a block of code as long as a specified condition is not false.

The WHILE loop is handy because they save time, reduces errors, and they make code more readable.

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