How do I drop a specific partition in Oracle?

How do I drop a specific partition in Oracle?

Use one of the following statements to drop a table partition or subpartition:

1. ALTER TABLE DROP PARTITION to drop a table partition.
2. ALTER TABLE DROP SUBPARTITION to drop a subpartition of a composite *-[range | list] partitioned table.

Can we partition a heap table in Oracle?

Partitioning is possible on both regular (heap organized) tables and index-organized tables, except for those containing LONG or LONG RAW columns. When you create (or alter) a partitioned table, a row movement clause (either ENABLE ROW MOVEMENT or DISABLE ROW MOVEMENT ) can be specified.

How do I drop multiple partitions?

You can remove multiple partitions or subpartitions from a range or list partitioned table with the DROP PARTITION and DROP SUBPARTITION clauses of the SQL ALTER TABLE statement. For example, the following SQL statement drops multiple partitions from the range-partitioned table sales .

How many partitions can an Oracle table have?

64,000
Tables can be partitioned into up to 64,000 separate partitions. Any table can be partitioned except those tables containing columns with LONG or LONG RAW datatypes.

How to select from multiple partitions in Oracle table?

“Partition” is related to “storage”, Oracle takes care about it. All you need is to run any query you want, e.g. if EMP table is partitioned on DEPTNO column (every department goes to its own partition), you’d still run select deptno, empno, ename, sal from emp where deptno in (10, 20); You don’t specify a partition.

Can a table be partitioned into columns and columns?

Any table can be partitioned except those tables containing columns with LONGor LONGRAWdatatypes. You can, however, use tables containing columns with CLOBor BLOBdatatypes. Partitioned Index-Organized Tables You can range partition index-organized tables.

What are the restrictions on partitioning in Oracle?

Oracle Database SQL Language Reference for general restrictions on partitioning, the exact syntax of the partitioning clauses for creating and altering partitioned tables and indexes, any restrictions on their use, and specific privileges required for creating and altering tables

How to create an external partition in Oracle?

External table types for external partitions use the following access driver types: For external partitions of ORACLE_LOADER and ORACLE_DATAPUMP access driver type, you must grant the following privileges to the user: Table-level external parameters apply to all external partitions of hybrid partitioned tables.