1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$IM_COLUMN_LEVEL to V$RULE_SET_AGGREGATE_STATS
  4. V$LATCHNAME

8.32 V$LATCHNAME

V$LATCHNAME displays information about decoded latch names for the latches shown in V$LATCH.

The rows of V$LATCHNAME have a one-to-one correspondence to the rows of V$LATCH.

Column Datatype Description

LATCH#

NUMBER

Latch number

NAME

VARCHAR2(64)

Latch name

DISPLAY_NAME

VARCHAR2(64)

A clearer and more descriptive name for the latch that appears in the NAME column. Names that appear in the DISPLAY_NAME column can change across Oracle Database releases, therefore customer scripts should not rely on names that appear in the DISPLAY_NAME column across releases.

HASH

NUMBER

Latch hash

TYPE

VARCHAR2(4)

Type of the latch (SGA, PDB, or OSP):

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

See Also:

"V$LATCH"