Listing SQL Server Options

Kevin Feasel

2017-09-28

T-SQL

Kenneth Fisher breaks apart the @@OPTIONS bit flags:

There are a fair number of options settings. ANSI_NULLS, ARITHABORT, QUOTED_IDENTIFIER, etc. Each session has its own set of configurations. They are initially set based on the user settings system configuration, then the various connection programs (SSMS for example) can override that, then the various SETcommands can override that.

Now personally I prefer to keep my settings to the default to eliminate confusion but they do get changed occasionally. Just as a for example, when you generate a script from SSMS it typically includes a bunch of SET ON and SET OFF commands. And if you turn on a setting that was already on, then turn it off and the end, well, your setting has changed unexpectedly. My original intent for this post was to create a stored procedure that would let you save the current settings and restore them. Unfortunately, I ran into a scope problem. I can find the current settings: @@options. I can break down the integer value using a script from here (just in case the post should disappear before this one does here is the code from the article)

Read on for the list, including things like ANSI_NULLS, ANSI_PADDING, and XACT_ABORT.  I probably pay less attention to these than I should and just have a habit of setting the few most important settings for my environment atop every procedure definition.

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