What is the impact of setting SET ANSI_WARNINGS OFF?
Setting ANSI_WARNINGS OFF to avoid NULL value elimination warnings can have an impact on the data quality and system behaviour.
2018-09-11 (first published: 2016-08-23)
29,652 reads
Nakul Vachhrajani
- Twitter: @sqltwins
- Website: https://nakulvachhrajani.com/
- LinkedIn: https://www.linkedin.com/in/nakulvachhrajani/
SSIS: Case sensitivity may expose issues with change deployment
Because SSIS is case sensitive, random VS_NEEDSNEWMETADATA errors on case-insensitive databases may indicate issues in your database change management & deployment process.
2016-02-11
2,455 reads
SQL Server Stored Procedures and SET options
SET options on stored Procedures work a bit different when compared with ad-hoc queries. These differences in behavior are often overlooked when developing the procedures and generating deployment scripts. This mistake can lead to undesired behavior in the application.
2015-10-02 (first published: 2013-08-29)
20,276 reads
Leveraging Constraint Evaluation Sequence in SQL Server
Constraints on a table in SQL Server are evaluated in a specific sequence. Knowing this sequence can help us leverage them to realize various business requirements.
2014-01-27
2,939 reads
HASHBYTES: Is CHECKSUM really required?
When compared with HASHBYTES, CHECKSUM, has a number of drawbacks. Hence, a question that comes up is: Is Checksum really required? In this article, I attempt to answer that question.
2013-03-27
8,229 reads
Deleting large number of rows from a table in a VLDB
For enterprise systems, purging data is a reality. Today, we will see some strategies that I recently implemented to make this process work efficiently.
2013-03-08 (first published: 2011-03-24)
24,398 reads
An in-depth look at change detection in SQL Server - Part 02
Auditing, conflict resolution, tamper & concurrency protection are some of the most common requirements for any enterprise system – this 2-part series presents an in-depth look at the various change detection mechanisms available within SQL Server.
2013-02-19
8,373 reads
An in-depth look at change detection in SQL Server - Part 01
Auditing, conflict resolution, tamper & concurrency protection are some of the most common requirements for any enterprise system – this 2-part series presents an in-depth look at the various change detection mechanisms available within SQL Server.
2013-02-12
5,371 reads
Never update systems tables directly - a study in Agent job scheduling
It is often recommended that system tables should not be updated directly. Presenting a case in point built around nightly job configuration in order to demonstrate the possible issues with updating system tables directly.
2012-09-17
5,671 reads
Connection Strings 101
This article introduces connection strings and suggests using MDAC to easily write efficient connection strings for those new to SQL Integration.
2010-12-24
5,573 reads
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Question of the Day
Encoding URLs
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers