ORACLE:DBMS_METADATA.GET_DDL的用法
2013-02-22 11:19
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ORACLE:DBMS_METADATA.GET_DDL的用法
dbms_metadata包中的get_ddl函数
--GET_DDL: Return the metadata for a single object as DDL.
-- This inte***ce is meant for casual browsing (e.g., from SQLPlus)
-- vs. the programmatic OPEN / FETCH / CLOSE inte***ces above.
-- PARAMETERS:
-- object_type - The type of object to be retrieved.
-- name - Name of the object.
-- schema - Schema containing the object. Defaults to
-- the caller's schema.
-- version - The version of the objects' metadata.
-- model - The object model for the metadata.
-- transform. - XSL-T transform. to be applied.
-- RETURNS: Metadata for the object transformed to DDL as a CLOB.
FUNCTION get_ddl ( object_type IN VARCHAR2,
name IN VARCHAR2,
schema IN VARCHAR2 DEFAULT NULL,
version IN VARCHAR2 DEFAULT 'COMPATIBLE',
model IN VARCHAR2 DEFAULT 'ORACLE',
transform. IN VARCHAR2 DEFAULT 'DDL') RETURN CLOB;
1.掉掉一个表或索引的ddl语句
SELECT DBMS_METADATA.GET_DDL('TABLE','DEPT','SCOTT') FROM DUAL;
select dbms_metadata.get_ddl('INDEX','PK_DEPT','SCOTT') from dual;
2.掉掉一个用户下的全数表,索引,存储过程的ddl
SELECT DBMS_METADATA.GET_DDL(U.OBJECT_TYPE, u.object_name)
FROM USER_OBJECTS u
where U.OBJECT_TYPE IN ('TABLE','INDEX','PROCEDURE');
3.掉掉全数表空间的ddl语句
SELECT DBMS_METADATA.GET_DDL('TABLESPACE', TS.tablespace_name)
FROM DBA_TABLESPACES TS;
4.掉掉全数创立用户的ddl
SELECT DBMS_METADATA.GET_DDL('USER',U.username)
FROM DBA_USERS U;
================================================================================
9i 中可以利用DBMS_METADATA.GET_DDL包掉掉数据库的东西的ddl脚本。如下(SQLPLUS中实行):
a. 获取单个的建表、视图和建索引的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool DEPT.sql
select dbms_metadata.get_ddl('TABLE','TAB_NAME','SCOTT') from dual;
select dbms_metadata.get_ddl('VIEW','VIEW_NAME','SCOTT') from dual;
select dbms_metadata.get_ddl('INDEX','IDX_NAME','SCOTT') from dual;
spool off;
b.获取一个SCHEMA下的全数建表、视图和建索引的语法,以scott为例:
set pagesize 0
set long 90000
set feedback off
set echo off
spool schema.sql
connect scott/tiger;
SELECT DBMS_METADATA.GET_DDL('TABLE',u.table_name) FROM USER_TABLES u;
SELECT DBMS_METADATA.GET_DDL('VIEW',u.VIEW_name) FROM USER_VIEWS u;
SELECT DBMS_METADATA.GET_DDL('INDEX',u.index_name) FROM USER_INDEXES u;
spool off;
c. 获取某个SCHEMA的建全数存储过程的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool procedures.sql
select DBMS_METADATA.GET_DDL('PROCEDURE',u.object_name) from user_objects u where object_type = 'PROCEDURE';
spool off;
d. 获取某个SCHEMA的建全数函数的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool function.sql
select DBMS_METADATA.GET_DDL('FUNCTION',u.object_name) from user_objects u where object_type = 'FUNCTION';
spool off;
dbms_metadata包中的get_ddl函数
--GET_DDL: Return the metadata for a single object as DDL.
-- This inte***ce is meant for casual browsing (e.g., from SQLPlus)
-- vs. the programmatic OPEN / FETCH / CLOSE inte***ces above.
-- PARAMETERS:
-- object_type - The type of object to be retrieved.
-- name - Name of the object.
-- schema - Schema containing the object. Defaults to
-- the caller's schema.
-- version - The version of the objects' metadata.
-- model - The object model for the metadata.
-- transform. - XSL-T transform. to be applied.
-- RETURNS: Metadata for the object transformed to DDL as a CLOB.
FUNCTION get_ddl ( object_type IN VARCHAR2,
name IN VARCHAR2,
schema IN VARCHAR2 DEFAULT NULL,
version IN VARCHAR2 DEFAULT 'COMPATIBLE',
model IN VARCHAR2 DEFAULT 'ORACLE',
transform. IN VARCHAR2 DEFAULT 'DDL') RETURN CLOB;
1.掉掉一个表或索引的ddl语句
SELECT DBMS_METADATA.GET_DDL('TABLE','DEPT','SCOTT') FROM DUAL;
select dbms_metadata.get_ddl('INDEX','PK_DEPT','SCOTT') from dual;
2.掉掉一个用户下的全数表,索引,存储过程的ddl
SELECT DBMS_METADATA.GET_DDL(U.OBJECT_TYPE, u.object_name)
FROM USER_OBJECTS u
where U.OBJECT_TYPE IN ('TABLE','INDEX','PROCEDURE');
3.掉掉全数表空间的ddl语句
SELECT DBMS_METADATA.GET_DDL('TABLESPACE', TS.tablespace_name)
FROM DBA_TABLESPACES TS;
4.掉掉全数创立用户的ddl
SELECT DBMS_METADATA.GET_DDL('USER',U.username)
FROM DBA_USERS U;
================================================================================
9i 中可以利用DBMS_METADATA.GET_DDL包掉掉数据库的东西的ddl脚本。如下(SQLPLUS中实行):
a. 获取单个的建表、视图和建索引的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool DEPT.sql
select dbms_metadata.get_ddl('TABLE','TAB_NAME','SCOTT') from dual;
select dbms_metadata.get_ddl('VIEW','VIEW_NAME','SCOTT') from dual;
select dbms_metadata.get_ddl('INDEX','IDX_NAME','SCOTT') from dual;
spool off;
b.获取一个SCHEMA下的全数建表、视图和建索引的语法,以scott为例:
set pagesize 0
set long 90000
set feedback off
set echo off
spool schema.sql
connect scott/tiger;
SELECT DBMS_METADATA.GET_DDL('TABLE',u.table_name) FROM USER_TABLES u;
SELECT DBMS_METADATA.GET_DDL('VIEW',u.VIEW_name) FROM USER_VIEWS u;
SELECT DBMS_METADATA.GET_DDL('INDEX',u.index_name) FROM USER_INDEXES u;
spool off;
c. 获取某个SCHEMA的建全数存储过程的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool procedures.sql
select DBMS_METADATA.GET_DDL('PROCEDURE',u.object_name) from user_objects u where object_type = 'PROCEDURE';
spool off;
d. 获取某个SCHEMA的建全数函数的语法
set pagesize 0
set long 90000
set feedback off
set echo off
spool function.sql
select DBMS_METADATA.GET_DDL('FUNCTION',u.object_name) from user_objects u where object_type = 'FUNCTION';
spool off;
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