Oracle9i Supplied PL/SQL Packages and Types Reference
Release 1 (9.0.1)

Part Number A89852-02
Go To Documentation Library
Home
Go To Product List
Book List
Go To Table Of Contents
Contents
Go To Index
Index

Master Index

Feedback

Go to previous page Go to beginning of chapter Go to next page

DBMS_OLAP , 25 of 26


SYSTEM.MVIEW_RECOMMENDATIONS

Table 34-26 SYSTEM.MVIEW_RECOMMENDATIONS
Column  NULL?  Datatype  Description 

RUNID 

 

NUMBER 

Run id identifying a unique advisor call 

ALL_TABLES 

 

VARCHAR2(2000) 

A comma-separated list of fully qualified table names for structured recommendations 

FACT_TABLES 

 

VARCHAR2(1000) 

A comma-separated list of grouping levels, if any, for structured recommendation 

GROUPING_LEVELS 

 

VARCHAR2(2000) 

 

QUERY_TEXT 

 

LONG 

Query text of materialized view if RECOMMENDED_ACTION is CREATE; null otherwise 

RECOMMENDATION_NUMBER 

NOT NULL 

NUMBER 

Unique identifier for this recommendation 

RECOMMENDED_ACTION 

 

VARCHAR2(6) 

CREATE, RETAIN, or DROP, Retain, Create, or Drop 

MVIEW_OWNER 

 

VARCHAR2(30) 

Owner of the materialized view if RECOMMENDED_ACTION is RETAIN or DROP; null otherwise 

MVIEW_NAME 

 

VARCHAR2(30) 

Name of the materialized view if RECOMMENDED_ACTION is RETAIN or DROP; null otherwise 

STORAGE_IN_BYTES 

 

NUMBER 

Actual or estimated storage in bytes 

PCT_PERFORMANCE_GAIN 

 

NUMBER 

The expected incremental improvement in performance obtained by accepting this recommendation relative to the initial condition, assuming that all previous recommendations have been accepted, or NULL if unknown 

BENEFIT_TO_COST_RATIO 

NOT NULL 

NUMBER 

Ratio of the incremental improvement in performance to the size of the materialized view in bytes, or NULL if unknown 


Go to previous page Go to beginning of chapter Go to next page
Oracle
Copyright © 1996-2001, Oracle Corporation.

All Rights Reserved.
Go To Documentation Library
Home
Go To Product List
Book List
Go To Table Of Contents
Contents
Go To Index
Index

Master Index

Feedback