I have move all tables from one tablespace to a newly created tablespace. I have also move and rebuilt all indexes from this tablespace to the new tablespace. When I query the anount of space each object is taking up there is a total of 800M. But the tablespace is taking up 17000M. What is responsible for taking up this extra space?
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Subquery in Oracle:
Sub queries are one of advance queries in oracle.
Types of advance queries:
• Sub Queries
• Hierarchical Queries
• Set Operators
Sub queries are know as the query called from another query or another subquery. It can …
Using SQL Scripts we can save all the SQL queries as files that we use very frequently on our database later point of time. This is one of the feature present under SQL Workshop in Oracle Application Express.
This video shows information on the Oracle Data Dictionary, starting with the Oracle documentation, explaining the different types of Data Dictionary views available by group and permissions as well as giving examples on how to retrieve data from th…