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2025-04-01 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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1. Check how many pdb databases there are:
SQL > show pdbs
2. Switch to the specified container database:
SQL > alter session set container=ORCLPDB
3. Start the container database:
SQL > alter pluggable database ORCLPDB open
4. Close the container database:
SQL > alter pluggable database ORCLPDB close immediate
5. Check the database name:
SQL > show con_name
6. Creation and deletion of database:
-- specify the location of the file map before creating or cloning (sysdba permission under CBD is required)
Alter system set db_create_file_dest='/u01/app/oracle/oradata/orcl/orcl2'
-- create a new PDB: (sysdba permission under CBD is required)
Create pluggable database test admin user admin identified by admin
-- do not specify to create the library directly
Create pluggable database salespdb admin user admin identified by admin file_name_convert= ('/ u01qapax oraclehelplicoradata') orcl12c scarp pdbAccording to the sales pdbAccord')
-- Clone PDB (sysdba permission under CBD is required)
Create pluggable database orcl2 from orcl1;-- test_pdb must be open before it can be opened
-- Delete PDB (sysdba permission under CBD is required)
Alter pluggable database orcl2 close;-cannot be deleted until it is closed
Drop pluggable database orcl2 including datafiles;-Delete PDB orcl2
-- set CDB to start PDB auto-start (trigger is used in this case)
CREATE OR REPLACE TRIGGER open_pdbs
AFTER STARTUP ON DATABASE
BEGIN
EXECUTE IMMEDIATE 'ALTER PLUGGABLE DATABASE ALL OPEN'
END open_pdbs
7. PDB create user (create user after linking to pdb database):
Create user hanfuyou identified by hanfuyou default tablespace users temporary tablespace temp
Grant connect,resource,unlimited tablespace to hanfuyou
Unplug and delete PDB
1. Unplug SALESPDB # must be connected to CDB$ROOT
# close SALESPDB first
SQL > alter pluggable database SALESPDB close immediate
SQL > alter pluggable database SALESPDB unplug into'/ home/oracle/salespdb.xml'
The # XML file contains information such as the location of each data file, as well as initialization parameters.
2 、 drop PDB
# you can delete the data file when you close and unplug PDB. When deleting, you can delete the data file together:
# you also need to connect to the CDB$ROOT container and execute the following statement:
SQL > drop pluggable database SALESPDB keep datafiles
3 、 plug an unplugged PDB
# insert PDB locally
SQL > create pluggable database SALESPDB02 using'/ home/oracle/salespdb.xml' nocopy tempfile reuse
SQL > alter pluggable database SALESPDB02 open
4. Insert PDB in different storage locations of the machine.
Mkdir / u01/app/oracle/oradata/orcl12c/salespdb01/
SQL > create pluggable database SALESPDB01 using'/ home/oracle/salespdb.xml'
SOURCE_FILE_NAME_CONVERT= ('/ u01qqapax oradata / orcl12c _ salespdbamp / u01qqqappr _ account _ salespdbamp')
MOVE FILE_NAME_CONVERT= ('/ u01ActionActionActionoradata MOVE FILE_NAME_CONVERT='/ u01ActionActionActionActionoradata')
PATH_PREFIX='/u01/app/oracle/oradata/orcl12c/salespdb01/' STORAGE (MAXSIZE 2G MAX_SHARED_TEMP_SIZE 100m)
Here the xml file indicates that the data file is in / u01/app/oracle/oradata/orcl12c/salespdb/
In fact, the data file is in / u01/app/salespdb/
And eventually we will put the data file in / u01/app/oracle/oradata/orcl12c/salespdb01/.
The solution to the garbled problem:
Export NLS_LANG=american_america.AL32UTF8 (add statement to environment variable)
Authorization:
Https://www.cnblogs.com/g253187360/p/8110442.html
Https://www.cnblogs.com/SummerinShire/p/6539607.html
Https://blog.csdn.net/Darker2016/article/details/84147293
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