How to use isnull in where clause of SQL - Stack Overflow
Nov 11, 2022 · How to use isnull in where clause of SQL Asked 3 years, 1 month ago Modified 3 years, 1 month ago Viewed 4k times
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! Michelle
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 null and it is …
sql - What does the equals one mean - ISNULL (something, 1) = 1
Nov 15, 2018 · The core of it is that if the value (something) that is null-checked is null or exactly 1 then the expression evaluates as true. If something equals null then the result of ISNULL (p1, p2) …
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!
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. So the …
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.
sql - Using ISNULL vs using COALESCE for checking a specific condition ...
Dec 10, 2017 · 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.
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 false for the …
sql - Using ISNULL or COALESCE on date column - Stack Overflow
I’ve got a date column where some rows have got NULL values. I would like to use ISNULL or something like that to substitute those values with something like ‘N/A’, however, when I try to use …