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  1. How to use isnull in where clause of SQL - Stack Overflow

    Nov 11, 2022 · Generally, it's recommended to do not use non-standard functions when not required. I agree your query with OR should be prefered, but even if you want to avoid that, …

  2. SQL IsNull function - Stack Overflow

    Dec 1, 2022 · I saw a sql code using the isNull function in the where clause, similar like below:date>isNull(date1,date2) Can someone explain what this means? Many Thanks! …

  3. How do I check if a Sql server string is null or empty

    SELECT IIF(field IS NULL, 1, 0) AS IsNull The same way you can check if field is empty.

  4. Replacing NULL with 0 in a SQL server query - Stack Overflow

    The ISNULL return value is always considered NOT NULLable (assuming the return value is a non-nullable one) whereas COALESCE with non-null parameters is considered to be NULL. …

  5. sql - Using ISNULL or COALESCE on date column - Stack Overflow

    Using ISNULL or COALESCE on date column Asked 6 years, 8 months ago Modified 3 years, 6 months ago Viewed 43k times

  6. sql - isnull vs is null - Stack Overflow

    Jul 27, 2015 · isnull(name,'') <> name This one changes the value of null fields to the empty string so they can be used in a comparision. In SQL Server (but not in Oracle I think), if a value is …

  7. sql - Using ISNULL vs using COALESCE for checking a specific …

    28 I think not, but COALESCE is in the SQL '92 standard and supported by more different databases. If you go for portability, don't use ISNULL.

  8. SQL - Difference between COALESCE and ISNULL? [duplicate]

    Sep 16, 2013 · What are the practical differences between COALESCE() and ISNULL(,'')? When avoiding NULL values in SQL concatenations, which one is the best to be used? Thanks!

  9. replace NULL with Blank value or Zero in sql server

    May 3, 2017 · 3 Different ways to replace NULL in sql server Replacing NULL value using: 1. ISNULL () function 2. COALESCE () function 3. CASE Statement

  10. SQL is null and = null - Stack Overflow

    Mar 6, 2012 · In SQL, a comparison between a null value and any other value (including another null) using a comparison operator (eg =, !=, <, etc) will result in a null, which is considered as …