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

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This videos shows some inbuilt functions to be used when querying records or checking null values.
The functions used are as follows
isnull(expression, value if null)
nullif(expression1, expression2)
coalesce(expression1,expression2...expressionn)
is where caluse
column is null
column is not null

Credits:
Music : YouTube Audio Library
Technologies : SQL Server Express Edition, SQL
  1. Gautam Mokal
  2. SQL Server Null
  3. Null value handling in SQL
  4. SQL Server Null functions
  5. Isnull
  6. Nullif
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