This tutorial shows you how to use the Oracle COUNT () function to return the number of items in a group and apply the COUNT () function to find duplicates.

COUNT returns the number of rows returned by the query. You can use it as an aggregate or analytic function. If you specify DISTINCT, then you can specify only the query_partition_clause of the …

This Oracle tutorial explains how to use the Oracle / PLSQL COUNT function with syntax and examples. The Oracle / PLSQL COUNT function returns the count of an expression.

Sep 5, 2024 · The Oracle COUNT function counts the number of rows in a table or the number of times a specific value appears. It provides a way to find out how many items meet certain conditions in …

In this article, I am going to discuss the COUNT Function in Oracle with Examples. Please read our previous article where we discussed Multiple Row Functions in Oracle with Examples.

This article gives an overview of the COUNT analytic function introduced in Oracle database 21c. If you are new to analytic functions you should probably read this introduction to analytic functions first.

COUNT in Oracle examples and syntax. Generate optimized COUNT queries in 10 seconds with AI2sql.

It is used to get the Count of an expression. The COUNT function is supported in the various versions of the Oracle/PLSQL, including, Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i and Oracle 8i.

While all three methods (COUNT(1), COUNT(*), and COUNT(column_name)) can be used to count rows, COUNT(*) is generally the most recommended approach due to its simplicity and efficiency.

Jul 23, 2025 · SQL provides two primary ways to achieve this. Let’s examine both methods in detail. Using the WHERE clause with COUNT(). Using the CASE statement within COUNT(). 1. Using …