Updated on 2024-06-03 GMT+08:00

DB_SEQUENCES

DB_SEQUENCES displays all sequences accessible to the current user. This view exists in both PG_CATALOG and SYS schema.

Table 1 DB_SEQUENCES columns

Name

Type

Description

sequence_owner

name

Owner of a sequence.

sequence_name

name

Name of the sequence.

min_value

int16

Minimum value of the sequence.

max_value

int16

Maximum value of the sequence.

increment_by

int16

Value by which the sequence is incremented.

cycle_flag

character(1)

Specifies whether a sequence is a cyclic sequence. Value range:
  • Y: It is a cyclic sequence.
  • N: It is not a cyclic sequence.

order_flag

character varying(1)

Specifies whether a sequence occurs in a request sequence. This parameter is not supported. Set it to NULL.

cache_size

int16

Size of the sequence disk cache.

last_number

int16

Value of the previous sequence.

scale_flag

character varying(1)

Specifies whether a sequence is a scalable sequence. Not supported. Its value is NULL.

extend_flag

character varying(1)

Specifies whether the value generated by a scalable sequence exceeds the maximum or minimum value of the sequence. Not supported. Its value is NULL.

sharded_flag

character varying(1)

Specifies whether a sequence is a shard sequence. Not supported. Its value is NULL.

session_flag

character varying(1)

Specifies whether a sequence has a private session. Not supported. Its value is NULL.

keep_value

character varying(1)

Specifies whether to retain the sequence value during replay after a failure. This parameter is not supported. Set it to NULL.