Changing Data Types
Steve had to deal with a customer that changed data types in columns often. Is that something you experience?
2026-03-18
106 reads
Steve had to deal with a customer that changed data types in columns often. Is that something you experience?
2026-03-18
106 reads
This is another part in my series designed to offer guidance around common issues in SQL Server. Today, let’s talk about the all-too-common error: invalid length.
2026-02-04
2025-09-12
1,680 reads
2025-02-14
514 reads
2025-01-31
458 reads
2025-01-15
1,860 reads
This tip's objective is to present and describe several T-SQL examples for creating, using, and analyzing GUIDs and assessing their uniqueness.
2024-12-30
2024-03-13
442 reads
2023-11-08
449 reads
There is sometimes a need to figure out the maximum space that is being used by a particular column in your database. You would initially think that the LEN() function would allow you to do this, but this function does not work on Text, NText or Image data types, so how do you figure out the length of a value in a column that has one of these data types?
2022-04-20
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
By Steve Jones
I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
When the schema of an object is changed, SQL Server wipes out the previous...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers