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How do you fix Ora 02289 sequence does not exist?

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How do you fix Ora 02289 sequence does not exist?

ORA-02289: sequence does not exist Cause: The specified sequence does not exist, or the user does not have the required privilege to perform this operation. Action: Make sure the sequence name is correct, and that you have the right to perform the desired operation on this sequence.

How do you drop a sequence if it exists in Oracle?

The syntax to a drop a sequence in Oracle is: DROP SEQUENCE sequence_name; sequence_name. The name of the sequence that you wish to drop.

What is Nocycle sequence?

NOCYCLE. Specify NOCYCLE to indicate that the sequence cannot generate more values after reaching its maximum or minimum value. This is the default. CACHE. Specify how many values of the sequence the database preallocates and keeps in memory for faster access.

What is cache 20 in Oracle sequence?

Caching an Oracle sequence The “cache” clause caches the specified number of sequence values into the buffers in the SGA. This speeds access, but all cached numbers are lost when the database is shut down. The default value is 20; maximum value is maxvalue-minvalue.

How do you create a sequence of tables in SQL?

The syntax to create a sequence in SQL Server (Transact-SQL) is: CREATE SEQUENCE [schema.] sequence_name [ AS datatype ] [ START WITH value ] [ INCREMENT BY value ] [ MINVALUE value | NO MINVALUE ] [ MAXVALUE value | NO MAXVALUE ] [ CYCLE | NO CYCLE ] [ CACHE value | NO CACHE ]; AS datatype.

How do I delete an existing sequence?

DROP SEQUENCE

  1. Name. DROP SEQUENCE — remove a sequence.
  2. Synopsis. DROP SEQUENCE [ IF EXISTS ] name [.] [
  3. Description. DROP SEQUENCE removes sequence number generators.
  4. Parameters. IF EXISTS.
  5. Examples. To remove the sequence serial: DROP SEQUENCE serial;
  6. Compatibility.
  7. See Also.

How do I drop a sequence in SQL Server?

The syntax to a drop a sequence in SQL Server (Transact-SQL) is: DROP SEQUENCE sequence_name; sequence_name. The name of the sequence that you wish to drop.

What is difference between cycle and no cycle in sequence?

When a sequence is created using CYCLE option, values for the column are regenerated from MINVALUE once MAXVALUE is reached. When a sequence is created using NO CYCLE option, values for the column are NOT regenerated from MINVALUE once MAXVALUE is reached. …

What is Oracle sequence cache?

The sequence cache size determines how many values Oracle preallocates in memory, in the Shared Pool. By preallocating values, Oracle returns the next unique value from memory providing faster access to the information.

What is sequence caching in Oracle?

Oracle sequences can be cached in memory to improve performance when fetching the next value. When a sequence is present in memory, a range of values is available for client requests. The range of values in memory is defined by the cache size when the sequence is initially created or altered.

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