Database updating sort order
Oracle Database provides a group of version query pseudocolumns that let you retrieve additional information about the various row versions.Refer to "Version Query Pseudocolumns" for more information.instructs the database to attempt to perform random block sampling instead of random row sampling.Block sampling is possible only during full table scans or index fast full scans.Specify the object name followed by a period and the asterisk to select all columns from the specified table, view, or materialized view.Oracle Database returns a set of columns in the order in which the columns were specified when the object was created.
Renewal applications should be completed and submitted with the fee(s) no less than 90-days prior to expiration of the current license.
If the query in which you specify this clause is not a top-level is subject to the same naming conventions and restrictions as database schema objects.
Refer to "Database Object Naming Rules" for information on database object names.
It does not mean that the database will retrieve exactly to indicate that Oracle Database prohibits any changes to the table or view that would produce rows that are not included in the subquery.
When used in the subquery of a DML statement, you can specify this clause in a subquery in the can be a subquery, a column, a function, or a collection constructor.
Search for database updating sort order:
The 90-day time frame is a guideline only, and no license will be issued/renewed until all of the requirements/conditions for a new or renewal license are completely satisfied.