(last updated: 2021-09-01 @ 14:18 ET / 2021-09-01 @ 18:18 UTC ) In my previous post, SSMS and SQLCMD: Prevent T-SQL Batch From Not Only Executing, but Also From...
2021-08-31
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(last updated: 2021-08-13 @ 19:50 ET / 2021-08-13 @ 23:50 UTC ) In a previous post, Prevent Full Script Execution (Understanding and Using PARSEONLY and NOEXEC), I explained how...
2021-08-25 (first published: 2021-08-13)
458 reads
(last updated: 2021-07-02 @ 19:55 EST / 2021-07-02 @ 23:55 UTC ) The sysname data type (in SQL Server) is a system-provided, though not built-in, alias for NVARCHAR(128). This...
2021-07-02
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(last updated: 2021-05-31 @ 19:00 EST / 2021-05-31 @ 23:00 UTC ) Many of us that work with Microsoft SQL Server, especially those of us working on systems with...
2021-05-21
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Presenting about Module Signing at "Data Architecture Day" this Saturday (May 16th) at 4:10 PM EDT… Continue reading Presenting at “Data Architecture Day” this Saturday (May 16th) at 4:10...
2020-05-14
24 reads
Is EXISTS(SELECT 1 ...) better than EXISTS(SELECT * ...)? Who would know better than SQL Server?… Continue reading Actual Difference Between EXISTS(SELECT 1 …), EXISTS(SELECT * …), and EXISTS(SELECT...
2020-02-03 (first published: 2020-01-24)
3,121 reads
sys.xp_delete_files and 'allow filesystem enumeration': two new undocumented items in SQL Server 2019… Continue reading sys.xp_delete_files and ‘allow filesystem enumeration’: two new undocumented items in SQL Server 2019 ?
2020-01-27
462 reads
A Completely Complete Guide to how many bytes are used to represent characters in the T-SQL string datatypes… Continue reading How Many Bytes Per Character in SQL Server: a...
2019-12-04 (first published: 2019-11-22)
3,687 reads
A misguided attempt to improve security that not only increases the chances of SQL Injection, but also prevented useful changes from being made.… Continue reading Feature Restrictions in...
2019-08-19 (first published: 2019-08-05)
1,130 reads
Specific String Pattern Magically Hidden From Step Output in SQL Agent History. Who Knew?… Continue reading Specific String Pattern Magically Hidden From Step Output in SQL Agent History ?
2019-06-21
151 reads
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Every one and again you will see people asking What skill do you think...
By Steve Jones
Another post for me that is simple and hopefully serves as an example for...
I have a table with three fields, FirstName, LastName and EmailAddress. The EmailAddress field...
I have a migration problem. I cannot get my SQL Server instance aliases to...
Dear Friends, I have a 2-node Read-Scale Always ON Availability Group to which I...
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