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

Описание: Visually explained how SQL NULL functions handle missing data using COALESCE, ISNULL, NULLIF, and IS (NOT) NULL.
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📖 Table of Content
00:00 Intro
00:25 What is NULL?
01:23 What are NULL Functions?
03:23 ISNULL
07:35 COALESCE
12:59 COALESCE vs ISNULL
14:33 Handle NULL - Data Aggregation
18:12 Handle NULL - Mathematical Operators
24:23 Handle NULL - Joining Tables
31:28 Handle NULL - Sorting Data
37:01 NULLIF
40:53 NULLIF - Division by Zero
42:58 IS NULL - IS NOT NULL
46:44 Left Anti Join - Right Anti Join

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