Oracle 视图 DBA_INVALID_OBJECTS 官方解释,作用,如何使用详细说明

本站中文解释

Oracle视图DBA_INVALID_OBJECTS记录在连接数据库中存在无效对象,这些无效对象无法被访问,可能在前一次补丁或建立操作期间出现问题。可以使用此视图来发现任何无效对象,以便及时修复它们。

要使用DBA_INVALID_OBJECTS,需要执行以下步骤:

1.登录到Oracle数据库,使用用户名和密码打开「SQL Plus」控制台。

2.使用以下Select语句来查询DBA_INVALID_OBJECTS视图:

SELECT * FROM DBA_INVALID_OBJECTS;

3.将查询结果保存到文件中,方便以后查询与比较:

SPOOL .txt

4.执行Alter语句可以修复无效对象:

ALTER OBJECT COMPILE;

5.步骤2到步骤4的执行完成之后,可以再次运行步骤2的查询语句检查结果,以确认更改是否已生效。

官方英文解释

DBA_INVALID_OBJECTS describes all invalid objects in the database. You can use this view to identify invalid objects before and after a database upgrade.

This view eliminates old versions of object types. It only includes the object type it if is the latest version.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

Owner of the object

OBJECT_NAME

VARCHAR2(128)

Name of the object

SUBOBJECT_NAME

VARCHAR2(128)

Name of the subobject (for example, partition)

OBJECT_ID

NUMBER

Dictionary object number of the object.

DATA_OBJECT_ID

NUMBER

Dictionary object number of the segment that contains the object.

Note: OBJECT_ID and DATA_OBJECT_ID display data dictionary metadata. Do not confuse these numbers with the unique 16-byte object identifier (object ID) that Oracle Database assigns to row objects in object tables in the system.

OBJECT_TYPE

VARCHAR2(23)

Type of the object (such as TABLE, INDEX).

The current version of the type is shown only if it is invalid. In other words, if prior versions of the type are invalid but the most recent version of the type is valid, it will not be in this list.

CREATED

DATE

Timestamp for the creation of the object

LAST_DDL_TIME

DATE

Timestamp for the last modification of the object and dependent objects resulting from a DDL statement (including grants and revokes)

TIMESTAMP

VARCHAR2(19)

Timestamp for the specification of the object (character data)

STATUS

VARCHAR2(7)

Status of the object:

  • VALID

  • INVALID

  • N/A

TEMPORARY

VARCHAR2(1)

Indicates whether the object is temporary (the current session can see only data that it placed in this object itself) (Y) or not (N)

GENERATED

VARCHAR2(1)

Indicates whether the name of this object was system-generated (Y) or not (N)

SECONDARY

VARCHAR2(1)

Indicates whether this is a secondary object created by the ODCIIndexCreate method of the Oracle Data Cartridge (Y) or not (N)

NAMESPACE

NUMBER

Namespace for the object

EDITION_NAME

VARCHAR2(128)

Name of the edition in which the object is actual

SHARING

VARCHAR2(18)

Values:

  • DATA LINK – If the object is data-linked or a data link to an object in the root

  • METADATA LINK – If the object is metadata-linked or a metadata link to an object in the root

  • EXTENDED DATA LINK – If the object is extended-data-linked or an extended data link to an object in the root

  • NONE – If none of the above applies

EDITIONABLE

VARCHAR2(1)

Values:

  • Y – For objects marked EDITIONABLE

  • N – For objects marked NONEDITIONABLE

  • NULL – For objects whose type is not editionable in the database

ORACLE_MAINTAINED

VARCHAR2(1)

Denotes whether the object was created, and is maintained, by Oracle-supplied scripts (such as catalog.sql or catproc.sql). An object for which this column has the value Y must not be changed in any way except by running an Oracle-supplied script.

APPLICATION

VARCHAR2(1)

Indicates whether the object is an Application common object (Y) or not (N)

DEFAULT_COLLATION

VARCHAR2(100)

Default collation for the object

DUPLICATED

VARCHAR2(1)

Indicates whether this object is duplicated on this shard (Y) or not (N)

SHARDED

VARCHAR2(1)

Indicates whether this object is sharded (Y) or not (N)

IMPORTED_OBJECT

VARCHAR2(1)

Indicates whether this object is imported (Y) or not (N)

CREATED_APPID

NUMBER

ID of the Application that created the object

CREATED_VSNID

NUMBER

ID of the Application Version that created the object

MODIFIED_APPID

NUMBER

ID of the Application that last modified the object

MODIFIED_VSNID

NUMBER

ID of the Application Version that last modified the object


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