Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.I've been told that I can drop all the tables via a 'drop schema' command within the Oracle 10g Enterprise Manager gui, but I can't 1 hour ago 2) DROP Command cannot be rolled back, except Oracle 10g which provides additional functionality to 'undrop' a table as shown in the following example : SQL> FLASHBACK TABLE Product TO BEFORE DROP Flashback complete.The risk of specifying the PURGE option is that you will not be able to recover the table. To drop a cluster and all its the tables, use the DROP CLUSTER statement with the INCLUDING TABLES clause to avoid dropping each table individually. Below is the command to drop indexes: SYNTAX : DROP INDEX [OWNER. To delete an entire table including all of its rows, issue the drop table command followed by the tablename.

Oracle may not permit deletion of tables with constraints. I just dropped a table from a read only tablespace! - Linux, Oracle, SQL performance tuning and troubleshooting - consulting & training. The ALTER TABLE statement allow the users to Add one or more columns, to Modify column definition, to Drop one or more columns, to Rename columns and to Rename a table. The drop table command is used to delete a table and all rows in the table. 1> Flashback Table feature in Oracle Database 10g 1 hour ago When you drop a table, some things are not recovered like bitmap join indexes (and advanced kind of index we will not cover in this book) and foreign key constraints (which we do cover in this book). So successful execution of this program should drop the table tut_83 which you can easily check by using DESCRIBE command as shown above.Oracle Database doesn’t include the IF EXISTS clause that some other DBMSs offer in their DROP TABLE statements.Example: SQL> create table A( i number primary key ) SQL> create table B( n number, foreign key (n) references A ) SQL> drop table A In this case, B is defined to have a relationship with A, so we can't simply delete table A, because that would violate How to drop table in oracle The ALTER TABLE command adds, deletes, or modifies columns in a table.

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