Oracle 视图 V$SPPARAMETER 官方解释,作用,如何使用详细说明

本站中文解释

V$SPPARAMETER视图显示存储过程参数的动态属性,包括参数名、最大长度和数据类型。

使用V$SPPARAMETER视图可以通过查询,检索存储过程参数的动态信息,包括某个存储过程参数的各种属性,例如:参数名称、最大长度和数据类型等信息。

使用方法:
步骤1:执行以下SQL语句,显示所有存储过程参数的内容:
SELECT * FROM V$SPPARAMETER;

步骤2:在显示的结果中搜索特定的参数名称,比如参数名称为“parameter_name”
SELECT *
FROM V$SPPARAMETER
WHERE PARAMETER_NAME = ‘parameter_name’;

步骤3:显示检索到的参数信息,如数据类型和最大长度。
SELECT PARAMETER_NAME,DATA_TYPE, MAX_LENGTH
FROM V$SPPARAMETER
WHERE PARAMETER_NAME = ‘parameter_name’;

官方英文解释

V$SPPARAMETER displays information about the contents of the server parameter file. If a server parameter file was not used to start the instance, then each row of the view will contain FALSE in the ISSPECIFIED column.
Column Datatype Description

FAMILY

VARCHAR2(80)

For internal use only

SID

VARCHAR2(80)

SID for which the parameter is defined.

NAME

VARCHAR2(80)

Name of the parameter

TYPE

VARCHAR2(11)

Parameter type

VALUE

VARCHAR2(255)

Parameter value (null if a server parameter file was not used to start the instance)

DISPLAY_VALUE

VARCHAR2(255)

Parameter value in a user-friendly format. For example, if the VALUE column shows the value 262144 for a big integer parameter, then the DISPLAY_VALUE column will show the value 256K.

ISSPECIFIED

VARCHAR2(6)

Indicates whether the parameter was specified in the server parameter file (TRUE) or not (FALSE)

ORDINAL

NUMBER

Position (ordinal number) of the parameter value (0 if a server parameter file was not used to start the instance). Useful only for parameters whose values are lists of strings.

UPDATE_COMMENT

VARCHAR2(255)

Comments associated with the most recent update (null if a server parameter file was not used to start the instance)

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


数据运维技术 » Oracle 视图 V$SPPARAMETER 官方解释,作用,如何使用详细说明