What is interval partitioning in Oracle 11g?

Interval partitioning is an extension of range partitioning which instructs the database to automatically create partitions of a specified interval when data inserted into the table exceeds all of the existing range partitions. You must specify at least one range partition.

How do I add an interval partition to an existing table in Oracle?

You cannot partition an existing non-partitioned table. In general, you’ll need to create a new partitioned table, move the data from the existing table to the new table (probably using a direct-path insert with parallel DML), drop the old table, and rename the new table to use the old name.

How can I tell if a table is interval partitioned?

To find if a table is interval partitioned, whether or not any partitions based on the interval have been created, you can check (DBA)(ALL)(USER)_PART_TABLES. INTERVAL . If it’s not NULL this column contains the partitioning interval specified when the table was created or altered to be interval partitioned.

How do I change a range partition to an interval partition?

The ALTER TABLE… SET INTERVAL command can be used to convert the range-partitioned table to use interval range partitioning. A new partition of a specified interval is created and data can be inserted into the new partition. The SET INTERVAL () command can be used to disable interval range partitioning.

How do you check if a table is interval partitioned in Oracle?

What is Numtoyminterval in Oracle?

NUMTOYMINTERVAL converts number n to an INTERVAL YEAR TO MONTH literal. The argument n can be any NUMBER value or an expression that can be implicitly converted to a NUMBER value.

What is the difference between range partitioning and hash partitioning?

You do this by specifying a list of discrete values for the partitioning column in the description for each partition. This is different from range partitioning, where a range of values is associated with a partition and with hash partitioning, where you have no control of the row-to-partition mapping.