Donnerstag, 18. September 2014

Oracle drop all sequences

Oracle drop all sequences

When a sequence number is generate the sequence is incremente independent of the transaction committing or rolling back. For example, if you have a sequence with a current value of 1and you would like to restart the sequence with a value of 2 then you can drop the sequence and then re-create it with the same name and a START WITH value of 27. You can use sequences to automatically generate primary key values.


A sequence is dropped using the DROP SEQUENCE command. You can also use this statement to restart a sequence by dropping and then re-creating it. The DROP SEQUENCE statement removes a sequence generator that was created using a CREATE SEQUENCE statement.

I want to know if there s any statement that can do this. Think what happens when you drop table. I don t want to do recreate the user as this will re. Use the DROP SEQUENCE statement to remove a sequence from the database. So, thats how you can create and use.


USER SEQUENCES : All Sequences owned by the current user. If the schema isn t specified explicitly, it assumes you mean a sequence in the current schema. To drop a sequence, it must be in your schema, or you must have the DROP ANY SEQUENCE privilege to drop sequences in other schemas.


As part of our build process and evolving database, I m trying to create a script which will remove all of the tables and sequences for a user.
But the SQL Developer for some reason does not have the functionality to select the tables that I want to. Oracle checks if recycle bin is on.


It looks like this: DROP SEQUENCE seqThis will drop the sequence seqfrom the database. I want to drop all the sequences present in the database. The SEQUENCES views are used to display information about sequences defined in the database. Sometimes, when cleaning up my db, I need to drop all the tables and sequences in Oracle. Use the CREATE SEQUENCE statement to create a sequence, which is a database object from which multiple users may generate unique integers.


You can drop a sequence by using the DROP SEQUENCE command. user90588wrote: Hello, I am working on Ruby on Rails application where I have used Oracle 11g database. SQL select sequencename from allsequences where sequencename like ISEQ.

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