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Oracle利用DBMS_METADATA.GET_DDL获取DDL语句
1. 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
---获取建表的语句其中TAB_NAME为要获取表的表名,scott为用户
select dbms_metadata.get_ddl('TABLE','TAB_NAME','SCOTT') from dual;
---获取建视图的语句其中VIEW_NAME为视图名,scott为用户
select dbms_metadata.get_ddl('VIEW','VIEW_NAME','SCOTT') from dual;
---获取建索引的语句其中IDX_NAME为索引名,scott为用户
select dbms_metadata.get_ddl('INDEX','IDX_NAME','SCOTT') from dual;
spool off;
2. 获取一个SCHEMA下的所有建表、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;
---获取scott用户下所有建表的语句
SELECT DBMS_METADATA.GET_DDL('TABLE',u.table_name) FROM USER_TABLES u;
---获取scott用户下所有建视图的语句
SELECT DBMS_METADATA.GET_DDL('VIEW',u.VIEW_name) FROM USER_VIEWS u;
---获取scott用户下所有index的语句
SELECT DBMS_METADATA.GET_DDL('INDEX',u.index_name) FROM USER_INDEXES u;
spool off;
3. 获取某个SCHEMA的建全部对象(包括存储过程、包、函数、)的语法
---获取用户下的存储过程
select DBMS_METADATA.GET_DDL('PROCEDURE',u.object_name) from user_objects u where object_type = 'PROCEDURE';
---获取用户下的序列
select DBMS_METADATA.GET_DDL('SEQUENCE',u.object_name) from user_objects u where object_type = 'SEQUENCE';
---获取用户下的触发器
select DBMS_METADATA.GET_DDL('TRIGGER',u.object_name) from user_objects u where object_type = 'TRIGGER';
---获取用户下包体
select DBMS_METADATA.GET_DDL('PACKAGE',u.object_name) from user_objects u where object_type = 'PACKAGE';
---获取用户下的函数
select DBMS_METADATA.GET_DDL('FUNCTION',u.object_name) from user_objects u where object_type = 'FUNCTION'; |
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