[IGNITE-15134] Add documentation for SQL statistics functionality

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.12
• Fix Version/s: 2.12
• Component/s: documentation
• Labels: docuentation
• Assignee: Nikita A. Safonov
• Reporter: Nikita A. Safonov
• Reviewer: Alexander Belyak
• Created: 16/Jul/21 08:51
• Updated: 25/Nov/21 13:24
• Resolved: 10/Nov/21 13:59

Description

We need to document the following information on the SQL statistics functionality:

• New DDL commands: ANALYZE, DROP STATISTICS, REFRESH;
• General information and scenarios of SQL statistics usage;
• An ability to work with statistics via Control script.

Issue Links

• links to: GitHub Pull Request #9550
• links to: GitHub Pull Request #9556