Which Should You Use: VARCHAR or NVARCHAR?
You’re building a new table or adding a column, and you wanna know which datatype to use: VARCHAR or NVARCHAR?
2025-11-03
DataTypes
2025-10-08
343 reads
2025-10-01
309 reads
2025-09-29
683 reads
2024-08-28
459 reads
2024-03-08
464 reads
Comparing SQL Server Datatypes, Size and Performance for Storing Numbers
When more than one numeric SQL Server data type may be suitable for a field in a project, which data type should you choose and what are the implications for SQL Server performance?
2014-09-16
9,167 reads
All datatypes basics in SQL Server 2008R2.
What is completed datatypes in sqlserver and how it works in Real time.
2014-10-10 (first published: 2014-09-06)
1,479 reads
13 Questions about SQL Server Data Types You were Too Shy to Ask
Although SQL Data Types seem to cause a lot of grief for database developers and can be tricky in their use, we seem to be expected to know all about them, and so it is embarrassing to ask questions about them in forums. Rob Sheldon continues in his mission to answer all those questions that we hesitate to ask.
2014-07-21
17,910 reads
Comparing Different Data Types
Comparing columns of different data types can be a drain on resources, as well as our sanity. This is a look into a few strategies for dealing with implicit conversions.
2014-05-19
10,238 reads
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Encoding Strings
Comments posted to this topic are about the item Encoding Strings
Question of the Day
Encoding Strings
I have this code in SQL Server 2025. What is the result?
DECLARE @message VARCHAR(50) = 'Hello SQL Server 2025!'; DECLARE @encoded VARCHAR(MAX); SET @encoded = BASE64_ENCODE(@message); SELECT @encoded AS EncodedResult;See possible answers