Replace null with 0 in sql select query. Using ISNULL Function.
Replace null with 0 in sql select query 1. Here’s the syntax: SELECT ISNULL(column_name, 0) FROM table_name; In the above query, if the value of the Jan 17, 2014 · Given below is the script to replace NULL using COALESCE (a SQL Server built-in function). SELECT ISNULL(col1, 0 ) FROM table1 SELECT COALESCE(col1, 0 ) FROM table1 Comparing COALESCE() and ISNULL(): The ISNULL function and the COALESCE expression have a similar purpose but can behave differently. SELECT [ID] ,[Name] ,CASE WHEN [Code] is NULL THEN 0 ELSE [Code] END As [Code May 31, 2025 · In this blog, we will learn how to replace null values with 0 in SQL, If we want to replace the null values with 0, we can use the ISNULL function. The ISNULL function is used to replace NULL values with a specific value. Using ISNULL Function. There are several SQL functions that allow you to replace NULL values: 1. Using ISNULL function. Using CASE Statement. The easiest and the straightforward way to replace NULL with 0 is by using the ISNULL function. In our case, we want to replace NULL values with 0. Methods to Replace NULL Values. Let us go through them one by one. Here is an illustration of how to use it. Using the COALESCE Function. Syntax of ISNULL; Example: Replacing NULL with 0; Another method to replace null with 0 in SQL. The `COALESCE` function replaces the first NULL value in a list with the first non-NULL value. It has the same syntax as the IFNULL function of MySQL: SELECT AVG(ISNULL(lab_hours, 0)) FROM Student; This replaces the NULL values in the result with 0 and then calculates the average. – Inconsistent Reports: NULL values can create gaps or inconsistencies in reports and dashboards. Nov 22, 2024 · In this post, we will explore how to replace NULL values with 0 in a SQL Server query. SELECT [ID] ,[Name] ,COALESCE([Code],0) AS [Code] FROM @tbl_sample --OUTPUT METHOD 3 : Given below is the script to replace NULL using CASE STATEMENT (a SQL Server expression). Table of Contents. Because ISNULL is a function, it is evaluated only once. Replace null with 0 in SQL. Let’s learn this concept in detail. Jan 27, 2025 · Similar to MySQL, SQL Server offers a dedicated function, ISNULL, to replace NULL values with a specified default. 6. Summary Nov 4, 2023 · There are few different ways to replace NULL with 0 in SQL Server. wfoaooziivtibciwlimotajayuccujfdncywuevgmuvsqgprulz