If no collation is specified, directly or via a default setting, the default USING_NLS_COMP pseudo-collation is used, which means the NLS_SORT and NLS_COMP parameters are used to determine the actual collation used. The only supported collation for CLOB and NCLOB columns is the USING_NLS_COMP pseudo-collation.
What is Oracle default collation?
Binary Collation It’s a default collation of the database session for ORDER BY and BETWEEN (and other operations that support linguistic sort) and is set as ‘binary’ in NLS_COMP variable.
What is the use of collation?
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.
What is SQL collation?
SQL Server collation refers to a set of character and character encoding rules, and influences how information is stored according to the order in the data page, how data is matched by comparing two columns, and how information is arranged in the T-SQL query statement.
What is collate in Oracle?
In Oracle Database, the COLLATION() function returns the name of the derived collation for its argument.
What is Oracle default collation?
Binary Collation It’s a default collation of the database session for ORDER BY and BETWEEN (and other operations that support linguistic sort) and is set as ‘binary’ in NLS_COMP variable.
What is collate in Oracle?
In Oracle Database, the COLLATION() function returns the name of the derived collation for its argument.
What is the difference between Latin1_General_CI_AS and 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. The Latin1_General_CI_AS collation is a Windows collation and the rules around sorting unicode and non-unicode data are the same.
What is default database collation?
Default server-level collation is SQL_Latin1_General_CP1_CI_AS.
What is collation and example?
: a light meal allowed on fast days in place of lunch or supper. : a light meal. [Middle English, from Latin collation-, collatio] : the act, process, or result of collating.
What does SQL_Latin1_General_CP1_CI_AS mean?
The collate clause is used for case sensitive and case insensitive searches in the columns of the SQL server. There are two types of collate clause present: SQL_Latin1_General_CP1_CS_AS for case sensitive. SQL_Latin1_General_CP1_CI_AS for case insensitive.
Does collation affect performance?
If you then specify a COLLATE clause in the query that is different than the collation used for the index, you will have a performance penalty because you won’t be using that index.
What collation should I use for SQL Server?
Server-level collation for Microsoft SQL Server If you don’t choose a different collation, the server-level collation defaults to SQL_Latin1_General_CP1_CI_AS. The server collation is applied by default to all databases and database objects.
Which collation is best in MySQL?
If you elect to use UTF-8 as your collation, always use utf8mb4 (specifically utf8mb4_unicode_ci). You should not use UTF-8 because MySQL’s UTF-8 is different from proper UTF-8 encoding. This is the case because it doesn’t offer full unicode support which can lead to data loss or security issues.
Should I collate or not?
When should collate printing be used? Collate printing should be used anytime when you need a number of copies of a multi-page document that is meant to be read sequentially. The more pages in the document and the more copies you need, the more time you can save through collated printing.
What happens if I don’t collate?
Uncollated means that the file’s pages will be printed separately. Let’s say that you have 3 page file and you would like to print 5 copies of each. If you ordered as collated, the 3 page set would print and repeat for a total of 5 times (1,2,3,1,2,3,1,2,3).
What is the difference between collection and collation?
The difference is that collection is a set of items or amount of material procured or gathered together while collation is bringing together.
What is the difference between AL32UTF8 and AL16UTF16?
AL16UTF16 is the current default database character set for Oracle databases 10g and 11g and Oracle E-Business Suite R12. Caution: AL32UTF8 is the Oracle Database character set that is appropriate for XMLType data. It is equivalent to the IANA registered standard UTF-8 encoding, which supports all valid XML characters.
What does SQL_Latin1_General_CP1_CI_AS mean?
The collate clause is used for case sensitive and case insensitive searches in the columns of the SQL server. There are two types of collate clause present: SQL_Latin1_General_CP1_CS_AS for case sensitive. SQL_Latin1_General_CP1_CI_AS for case insensitive.
How do I find my default database collation?
To view the collation setting of a database In Object Explorer, connect to an instance of the Database Engine and on the toolbar, click New Query. In the query window, enter the following statement that uses the sys. databases system catalog view. SELECT name, collation_name FROM sys.
What is the use of collate Latin1_General_CS_AS?
Collation Latin1_General_CS_AS uses dictionary order so both upper and lower case characters of the specified range are included. Specify a binary collation to get the behavior you want (the 26 ASCII characters in the 97-122 code point range): SELECT empid, lastname FROM HR.
What is Oracle default collation?
Binary Collation It’s a default collation of the database session for ORDER BY and BETWEEN (and other operations that support linguistic sort) and is set as ‘binary’ in NLS_COMP variable.
