What is collation type?

What is collation type?

A collation is a configuration setting that determines how the database engine should treat character data at the server, database, or column level. In SQL Server, you can configure a character column with a Unicode data type (nchar, nvarchar, or ntext) or non-Unicode data type (char, varchar, or text).

What is a collation in SQL?

Collations in SQL Server provide sorting rules, case, and accent sensitivity properties for your data. Collations that are used with character data types, such as char and varchar, dictate the code page and corresponding characters that can be represented for that data type.

How do you calculate collation?

To view a collation setting for a column in Object Explorer

1. In Object Explorer, connect to an instance of Database Engine and then expand that instance.
2. Expand Databases, expand the database and then expand Tables.
3. Expand the table that contains the column and then expand Columns.

What are different types of collation sensitivity?

Following are the different types of collation sensitivity:

• Case Sensitivity: A and a and B and b.
• Kana Sensitivity: Japanese Kana characters.
• Width Sensitivity: Single byte character and double-byte character.
• Accent Sensitivity.

What is collation SQL_Latin1_General_CP1_CI_AS?

The SQL_Latin1_General_CP1_CI_AS collation is a SQL collation and the rules around sorting data for unicode and non-unicode data are different. A Windows collation as per this example can still use an index if comparing unicode and non-unicode data albeit with a slight performance hit.

How to cast the collation of a variable?

Casting the collation of an expression. You can use the COLLATE clause to apply a character expression to a certain collation. Character literals and variables are assigned the default collation of the current database.

How are character set and collation system variables involved?

Additional character set and collation system variables are involved in handling traffic for the connection between a client and the server. Every client has session-specific connection-related character set and collation system variables.

What does collation variables take on in T-SQL?

On a server that is case sensitive, both fail: Must declare the scalar variable “@VAR”. On a server that is case insensitive, I get: Command (s) completed successfully. So the actual script is compiled in the collation of the server.

How to create a database with a collation?

First we need to confirm what our server collation is and create a database with a different collation. Next we go into the database and create a temp table and declare a table variable. Note that the actual structures for both are stored in tempdb. Unfortunately however the object names are not so easily found.