5.239 DBA_COMPARISON_SCAN

DBA_COMPARISON_SCAN displays information about all comparison scans in the database.

Related View

USER_COMPARISON_SCAN displays information about the comparison scans owned by the current user. This view does not display the OWNER column.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

NOT NULL

Owner of the comparison scan

COMPARISON_NAME

VARCHAR2(128)

NOT NULL

Name of the comparison scan

SCAN_ID

NUMBER

NOT NULL

Scan ID

PARENT_SCAN_ID

NUMBER

Scan ID of the immediate parent scan

ROOT_SCAN_ID

NUMBER

Scan ID of the root (top-most) parent

STATUS

VARCHAR2(16)

Status of the scan:

  • SUC

  • BUCKET DIF

  • FINAL BUCKET DIF

  • ROW DIF

CURRENT_DIF_COUNT

NUMBER

Current cumulative (including children) diff count of the scan

INITIAL_DIF_COUNT

NUMBER

Initial cumulative (including children) diff count of the scan

COUNT_ROWS

NUMBER

Number of rows in the scan

SCAN_NULLS

VARCHAR2(1)

Indicates whether NULLs are part of this scan (Y) or not (N)

LAST_UPDATE_TIME

TIMESTAMP(6)

Time that this row was last updated

See Also:

"USER_COMPARISON_SCAN"