Видео с ютуба Isnull()

Функции SQL: CASE, COALESCE, IIF, ISNULL. Проверка на NULL.

Why You Probably Don't Want ISNULL Or COALESCE In Your SQL Server Queries

SQL NULL Functions | COALESCE, ISNULL, NULLIF, IS (NOT) NULL | #SQL Course 18

NULLIF vs ISNULL vs COALESCE in SQL Server | Examples & Differences Explained | nullCreds

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A Difference Between ISNULL And COALESCE You Might Care About In SQL Server

ISNULL function / How to replace null value from table in SQL

Handling NULLs in SQL Server: ISNULL, COALESCE, NULLIF & More Explained!

What is ISNULL Function and What are Limitations of ISNULL Function - TSQL Tutorial

The isnull and notnull Methods

SQL | Null Function in SQL | ISNULL | COALESCE | IFNULL | NVL

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SQL ISNULL Function - how to use ISNULL Function

MS SQL tutorial on use of ISNULL, ISDATE and ISNUMERIC functions

SQL Server ISNULL Function Tutorial

SQL - NULL and isnull

ISNULL() And NULLIF() Function in SQL Server | SQL | DBMS

How to handle null values in a SQL Server query | ISNULL, NULLIF, COALESCE, IS NULL , IS NOT NULL