LinkedIn

COALESCE() vs ISNULL() in T-SQL

Every data engineer knows this ghost story: a query that worked perfectly for months suddenly collapses after a small schema change or a new data feed. Nothing obvious breaks — until you notice ...
LinkedIn

ISNULL vs COALESCE: Choosing the Right SQL Function

Understanding ISNULL vs COALESCE in SQL : In the world of SQL, handling NULL values efficiently is crucial for data integrity and accurate queries. Two common functions used for this purpose are ...
Ars Technica

Settle an argument: SQL update with left join + isnull() vs inner join

I've been in an argument with one of our devs that took an update statement with an inner join and made it a left join (because inner was missing some records somehow in the left table - tableB in ...
GitHub

SQL Syntax ISNULL(column1,column2) is Not supported after 1.6.0

With upgrade to 1.6.0 , ISNULL / COALESCE syntax is having issue in Order by . .OrderBy(" ISNULL( Col1, Col2) ") "No property or field 'ISNULL' exists in type 'ClassName' (at index 0) at ...
GitHub

isnull-entity-sql.md

expression Any valid query expression. Cannot be a collection, have collection members, or a record type with collection type properties. NOT Negates the EDM.Boolean result of IS NULL.