What does it mean to collate data?

What does it mean to collate data?

In it’s basic form, the definition of collate is to collect or gather the related information together. The information refers to any form of data, text, or documents. It is a term used to refer to how printed content is arranged.

What is a collating sequence?

A collating sequence defines the order of characters within a coded character set or COBOL alphabet for purposes of sorting, merging, and comparing data and for processing files with indexed organization.

What does collate SQL_Latin1_General_CP1_CI_AS mean?

If “What does COLLATE SQL_Latin1_General_CP1_CI_AS do?” means “What does this particular collation do?”, then: Latin1_General is the culture / locale. For NCHAR , NVARCHAR , and NTEXT data this determines the linguistic rules used for sorting and comparison.

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 coalesce in SQL?

The SQL Coalesce and IsNull functions are used to handle NULL values. During the expression evaluation process the NULL values are replaced with the user-defined value. The SQL Coalesce function evaluates the arguments in order and always returns first non-null value from the defined argument list.

What is utf8_unicode_ci?

utf8_unicode_ci also supports contractions and ignorable characters. utf8_general_ci is a legacy collation that does not support expansions, contractions, or ignorable characters. It can make only one-to-one comparisons between characters.

What is utf8 in MySQL?

In short: MySQL’s “utf8mb4” means “UTF-8”. MySQL’s “utf8” means “a proprietary character encoding”. This encoding can’t encode many Unicode characters.