Official documents on escaping characters in SQL Server query statements

Hi,
Are there any official documents on how to escaping special characters in SQL Server query statements? I find a lot of online resources discussing about this, but there are no definitive conclusions on:
Which characters should be escaped? (Some only said single-quote needs to be escaped, double-quote does not need. While others said both need to be escaped)
How to escape characters? (Some said using two single-quote to escape a single-quote. Others said using a backslash, etc.)
So I just wonder if there is an official document from Microsoft regarding this?
Thanks
Alan

Depends on where you're using them
If its string values then single quotes(') should be escaped by putting one more single quote before it.
If its LIKE operator you can use ESCAPE keyword or use [] to escapre special characters
see
http://visakhm.blogspot.in/2013/01/wildcard-character-based-pattern-search.html
If inside SSIS expression you can escape characters like \ " etc by adding an extra \ before the characters
Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

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24576
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USERSTORE_SCHEMAMGR 2632 328
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Free pages 483
Total pages 503088
Target pages 1710080
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Stolen pages 8126
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Page writes/sec 2421
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AWE lookup maps/sec 0
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AWE unmap calls/sec 0
AWE unmap pages/sec 0
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Cache Hit Ratio Base 0
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Cursor Requests/sec 0
Active cursors 0
Cursor memory usage 0
Cursor worktable usage 0
Number of active cursor plans 0
Cache Hit Ratio 0
Cache Hit Ratio Base 0
Cached Cursor Counts 0
Cursor Cache Use Counts/sec 0
Cursor Requests/sec 0
Active cursors 0
Cursor memory usage 0
Cursor worktable usage 0
Number of active cursor plans 0
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Cached Cursor Counts 0
Cursor Cache Use Counts/sec 0
Cursor Requests/sec 0
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Lock Memory (KB) 7944
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Lock Owner Blocks Allocated 43550
Lock Blocks 10003
Lock Owner Blocks 10133
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Memory Grants Pending 0
Optimizer Memory (KB) 1048
SQL Cache Memory (KB) 2080
Target Server Memory (KB) 13680640
Total Server Memory (KB) 4024704
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LEFT OUTER JOIN Employees AS M
ON E.mgrid = M.empid

There is no FROM clause in an ANSI SQL update statement. Folk here don't necessarily know SQL Server, but if you re-write your update statement as an ANSI one and it doesn't work we'll likely be able to help. See page 391 of this doc --
ANSI SQL 92

Converting MS SQL Server Query to Oracle Query

Hi There,
I've a strange problem. My project uses both MS SQL Server and Oracle server at run time. I've lot of queries which are written in MS SQL Style. Now, iam planning to write a helper class whic converts MS SQL Query to Oracle Query. Please Help me if any one has that kind of Helper with you.
Thanks And Regards,
Sasi Kanth

That is why persistence applications like Hibernate or
CMP get used for apps that will use more than one DB,
but it takes upfront planning.
If you have a set of automated unit tests that work
with SQL Server, they will be a big help in getting
your Oracle code up and running.Indeed - JUnit and Ant would be a big help here.
It sounds like you have SQL in your JSPs, that will
work against you as well if so. If you are using a
DAO pattern, this will be much easier, as you can
re-implement each DAO for Oracle.If you'd layered this app properly, you might just implement an OracleDAOFactory and be done with it. Interfaces and a DAO layer would go a long way.
This is why layering is such a good idea. It isolates changes in a smaller subset of classes.
But your problem sounds pretty big. It'd be daunting even if it were well designed.

Official documents on escaping characters in SQL Server query statements

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