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2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
Close the application first
1) View the user's default and temporary tablespaces
Set lines 300
Col username for a30
Select username, default_tablespace,TEMPORARY_TABLESPACE from dba_users where username='MESPRD'
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USERNAME DEFAULT_TABLESPACE TEMPORAR Y_TABLESPACE
MESPRD HTTBS_MESPRD TEMP
2) View the permissions and roles of the user
Select privilege from dba_sys_privs where grantee='SYSADM'
Union
Select privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee='MESPRD')
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PRIVILEGE
CREATE CLUSTER
CREATE INDEXTYPE
CREATE OPERATOR
CREATE PROCEDURE
CREATE SEQUENCE
CREATE SESSION
CREATE TABLE
CREATE TRIGGER
CREATE TYPE
Nine rows have been selected.
3) get the script that grants the user permission
Select 'grant' | | privilege | |'to SYSADM;' from (select privilege from dba_sys_privs where grantee='SYSADM')
Union
Select privilege from dba_sys_privs where grantee in (select granted_role from dba_role_privs where grantee='SYSADM'))
4) execute the script to get the script mesprd that deletes the object under the schema as the schema to be deleted
Connect mesprd/MESPRD
Spool E:\ app\ Administrator\ del_mesprd.sql
Select 'alter table' | | table_name | | 'drop constraint' | | constraint_name | |'; 'from user_constraints where constraint_type='R'
Select 'truncate table' | | table_name | |'; 'from user_tables
Select 'drop table' | | table_name | | 'purge;' from user_tables
Select 'drop index' | | index_name | |'; 'from user_indexes
Select 'drop view' | | view_name | |'; 'from user_views
Select 'drop sequence' | | sequence_name | |'; 'from user_sequences
Select 'drop function' | | object_name | |'; 'from user_objects where object_type='FUNCTION'
Select 'drop procedure' | | object_name | |'; 'from user_objects where object_type='PROCEDURE'
Select 'drop package' | | object_name | |'; 'from user_objects where object_type='PACKAGE'
Select 'drop database link' | | object_name | |'; 'from user_objects where object_type='DATABASE LINK'
Spool off
5) sqlplus connects to the schema and executes the script obtained above
View the objects under the schema before execution, and then view the objects under the schema again after execution
@? \ e:\ app\ Administrator\ del_mesprd.sql
SQL > select object_type,count (*) from user_objects group by object_type
6) kill drops the session of the database
Select 'alter system kill session''| | sid | |','| | serial# | |''immediate;' from v$session where username='MESPRD'
7) Delete the schema
Drop user MESPRD cascade
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