Drop Table Oracle

So your application may be unusable while this runs. The drop table command allows you to drop tables from your oracle database.

Oracle Tutorial Oracle 10g Tutorials Dropping Tables

On tables storing millions of rows it will take a long time to run.

Drop table oracle. The name of the schema that owns the table. In this example we drop the books table that we created earlier in this chapter. All table indexes and domain indexes are dropped as well as any triggers defined on the table regardless of who created them or whose schema contains them.

This is an expensive operation. You can do so with an alter table drop command. Second specify cascade constraints clause to remove all referential integrity constraints which refer.

Drop table statement description. Third specify purge clause if you want to drop the table and release the space. The table must be contained in your schema or you must have the drop any table system privilege.

Alter table toys drop weight. If table is partitioned then any corresponding local index partitions are also dropped. If the partition contains data and one or more global indexes are defined on the table then use one of the following methods method 1 2 or 3 to drop the table partition.

Oracle database automatically performs the following operations. Views synonym are not dropped but they become invalid dropped table can be recovered using. Drop an existing queue table.

If there are referential integrity constraints on tablename and you do not specify. First indicate the table and its schema that you want to drop after the drop table clause. Dropping a table drops the index and triggers associated with it.

Oracle 10g has a recycle bin kind of a retirement home for old and dropped tables. A better option is to set the column unused. You must do this explicitly unless the force option is used in which case this done automatically.

Dropping a partition from a table that contains data and global indexes. To drop a table that you no longer need use the drop table statement. Note that you must stop and drop all the queues in a queue tables before the queue table can be dropped.

Lets look at. The dropped table and its data remain no longer available for selection. The oracle drop table statement allows you to remove or delete a table from.

The drop table statement is used to drop an existing table in a database. All rows from the table are dropped. The drop table oracle command is used to remove a table from the database.

And it blocks other changes to the table.

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