河北邢台做wap网站梧州网站建设有哪些
介质准备:

数据库23ai
https://edelivery.oracle.com
上述网站下载基础版本,本次未使用。
本次是安装了带补丁的版本:
| Database Release Update 23.6.0.24.10 GoldImage表示带补丁用于直接安装的软件包 | 
| 查找888.1对应Primary Note for Database Quarterly Release Updates (Doc ID 888.1) | 
 
操作系统:8以上的版本
Oracle Linux ISOs | Oracle, Software. Hardware. Complete.

基本准备:
配置/etc/selinux/config
 sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
 cat /etc/selinux/config
关闭防火墙
 systemctl status firewalld.service
 systemctl stop firewalld.service
 systemctl disable firewalld.service
 systemctl status firewalld.service
依赖包安装:
https://yum.oracle.com/repo/OracleLinux/OL8/appstream/x86_64/getPackage/oracle-database-preinstall-23ai-1.0-2.el8.x86_64.rpm
[root@ora23ai ~]# dnf install wget
[root@ora23ai ~]# wget https://yum.oracle.com/repo/OracleLinux/OL8/appstream/x86_64/getPackage/oracle-database-preinstall-23ai-1.0-2.el8.x86_64.rpm
[root@ora23ai ~]# rpm -ivh oracle-database-preinstall-23ai-1.0-2.el8.x86_64.rpm
[root@ora23ai ~]# dnf install -y oracle-database-preinstall-23ai*
以上步骤安装了oracle用户和组
创建目录:
[root@ora23ai ~]# mkdir -p /u01/app/oracle
 [root@ora23ai ~]# mkdir -p /u01/app/oracle/product/23/db_1
 [root@ora23ai ~]# chown -R oracle:oinstall /u01/app/oracle
环境变量:
[oracle@ora23ai ~]$ more .bash_profile
 export ORACLE_SID=ora23ai    #数据库database.rsp中的SID 
 export ORACLE_BASE=/u01/app/oracle                   #BASE目录
 export ORACLE_HOME=/u01/app/oracle/product/23/db_1   #oracle安装包的目录
 export PATH=/u01/app/oracle/product/23/db_1/bin:/u01/app/oracle/product/23/db_1/OPatch:/home/oracle/.local/bin:/home/oracle/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin
 export TNS_ADMIN=/network/admin
 export LD_LIBRARY_PATH=/lib:/lib32:/lib/usr/lib:/usr/local/lib
 export TEMP=/tmp
 export TMP=/tmp
 export LC_ALL=en_US.UTF-8
 export LANG=en_US.UTF-8
 export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
 [oracle@ora23ai ~]$ 
传文件到$ORACLE_HOME:
[oracle@ora23ai ~]$ cd /u01/app/oracle/product/23/db_1/
 [oracle@ora23ai db_1]$ ll
 total 0
 [oracle@ora23ai db_1]$ ll
 total 2178076
 -rw-r--r--. 1 root root 2230348508 Dec 18 15:50 p37037908_230000_Linux-x86-64-23.6.0.24.10.zip
 [oracle@ora23ai db_1]$ pwd
 /u01/app/oracle/product/23/db_1
[oracle@ora23ai db_1]$unzip p37037908_230000_Linux-x86-64-23.6.0.24.10.zip
[root@ora23ai ~]# chown -R oracle:oinstall /u01/app/
准备安装db软件脚本:
[oracle@ora23ai db_1]$ cat > /home/oracle/db_install.rsp <<EOF
oracle.install.responseFileVersion=/oracle/install/rspfmt_dbinstall_response_schema_v23.0.0
oracle.install.option=INSTALL_DB_SWONLY 
UNIX_GROUP_NAME=oinstall
INVENTORY_LOCATION=/u01/app/oraInventory
ORACLE_HOME=/u01/app/oracle/product/23/db_1
ORACLE_BASE=/u01/app/oracle
oracle.install.db.InstallEdition=EE
oracle.install.db.OSDBA_GROUP=dba
oracle.install.db.OSOPER_GROUP=dba
oracle.install.db.OSBACKUPDBA_GROUP=dba
oracle.install.db.OSDGDBA_GROUP=dba
oracle.install.db.OSKMDBA_GROUP=dba
oracle.install.db.OSRACDBA_GROUP=dba
oracle.install.db.rootconfig.executeRootScript=
oracle.install.db.rootconfig.configMethod=
oracle.install.db.rootconfig.sudoPath=
oracle.install.db.rootconfig.sudoUserName=
oracle.install.db.CLUSTER_NODES=
oracle.install.db.config.starterdb.type=GENERAL_PURPOSE
oracle.install.db.config.starterdb.globalDBName=ora23ai
oracle.install.db.config.starterdb.SID=ora23ai
oracle.install.db.ConfigureAsContainerDB=
oracle.install.db.config.PDBName=
oracle.install.db.config.starterdb.characterSet=ZHS16GBK
oracle.install.db.config.starterdb.memoryOption=
oracle.install.db.config.starterdb.memoryLimit=
oracle.install.db.config.starterdb.installExampleSchemas=
oracle.install.db.config.starterdb.password.ALL=Ora23ai_202412
oracle.install.db.config.starterdb.password.SYS=Ora23ai_202412
oracle.install.db.config.starterdb.password.SYSTEM=Ora23ai_202412
oracle.install.db.config.starterdb.password.DBSNMP=Ora23ai_202412
oracle.install.db.config.starterdb.password.PDBADMIN=Ora23ai_202412
oracle.install.db.config.starterdb.managementOption=
oracle.install.db.config.starterdb.omsHost=
oracle.install.db.config.starterdb.omsPort=
oracle.install.db.config.starterdb.emAdminUser=
oracle.install.db.config.starterdb.emAdminPassword=
oracle.install.db.config.starterdb.enableRecovery=
oracle.install.db.config.starterdb.storageType=
oracle.install.db.config.starterdb.fileSystemStorage.dataLocation=
oracle.install.db.config.starterdb.fileSystemStorage.recoveryLocation=
oracle.install.db.config.asm.diskGroup=
oracle.install.db.config.asm.ASMSNMPPassword=
EOF 
执行安装db软件操作:
[oracle@ora23ai db_1]$ ./runInstaller -silent -responseFile /home/oracle/db_install.rsp -ignorePrereq -J"-Doracle.install.db.validate.supportedOSCheck=false"
 Launching Oracle Database Setup Wizard...
[WARNING] [INS-13014] Target environment does not meet some optional requirements.
    CAUSE: Some of the optional prerequisites are not met. See logs for details. installActions2024-12-23_04-24-20PM.log.
    ACTION: Identify the list of failed prerequisite checks from the log: installActions2024-12-23_04-24-20PM.log. Then either from the log file or from installation manual find the appropriate configuration to meet the prerequisites and fix it manually.
 The response file for this session can be found at:
  /u01/app/oracle/product/23/db_1/install/response/db_2024-12-23_04-24-20PM.rsp
You can find the log of this install session at:
  /tmp/InstallActions2024-12-23_04-24-20PM/installActions2024-12-23_04-24-20PM.log
 As a root user, run the following script(s):
         1. /u01/app/oraInventory/orainstRoot.sh
         2. /u01/app/oracle/product/23/db_1/root.sh
Run /u01/app/oraInventory/orainstRoot.sh on the following nodes: 
 [ora23ai]
 Run /u01/app/oracle/product/23/db_1/root.sh on the following nodes: 
 [ora23ai]
 Successfully Setup Software with warning(s).
 Moved the install session logs to:
  /u01/app/oraInventory/logs/InstallActions2024-12-23_04-24-20PM
 [oracle@ora23ai db_1]$ 
 [oracle@ora23ai db_1]$ cd /u01/app/oracle/admin/ora23ai/scripts
 -bash: cd: /u01/app/oracle/admin/ora23ai/scripts: No such file or directory
生成建库脚本:
 [oracle@ora23ai db_1]$ dbca -silent -generateScripts  -templateName General_Purpose.dbc \
 -gdbname ora23ai -sid ora23ai  \
 -characterSet AL32UTF8 -datafileDestination /u01/app/oracle/oradata  \
 -memoryPercentage 50 -emConfiguration LOCAL
Prepare for db operation
 10% complete
 Copying database files
 40% complete
 Creating and starting Oracle instance
 42% complete
 46% complete
 50% complete
 54% complete
 60% complete
 Completing Database Creation
 64% complete
 67% complete
 70% complete
 Executing Post Configuration Actions
 100% complete
 The generation of the script "/u01/app/oracle/admin/ora23ai/scripts" is successful.
 Look at the log file "/u01/app/oracle/cfgtoollogs/dbca/ora23ai/ora23ai.log" for further details.
 [oracle@ora23ai db_1]$ 
 [oracle@ora23ai db_1]$ cd /u01/app/oracle/admin/ora23ai/scripts
 [oracle@ora23ai scripts]$ ll
 total 18364
 -rw-r-----. 1 oracle oinstall     3224 Dec 23 16:30 cloneDBCreation.sql
 -rw-r-----. 1 oracle oinstall     1061 Dec 23 16:30 CloneRmanRestore.sql
 -rw-r-----. 1 oracle oinstall     2025 Dec 23 16:30 init.ora
 -rw-r-----. 1 oracle oinstall     2034 Dec 23 16:30 initora23aiTempOMF.ora
 -rw-r-----. 1 oracle oinstall     2159 Dec 23 16:30 initora23aiTemp.ora
 -rw-r-----. 1 oracle oinstall      853 Dec 23 16:30 lockAccount.sql
 -rwxr-x---. 1 oracle oinstall      745 Dec 23 16:30 ora23ai.sh
 -rw-r-----. 1 oracle oinstall      562 Dec 23 16:30 ora23ai.sql
 -rw-r-----. 1 oracle oinstall      891 Dec 23 16:30 postDBCreation.sql
 -rw-r-----. 1 oracle oinstall     1468 Dec 23 16:30 postScripts.sql
 -rw-r-----. 1 oracle oinstall      897 Dec 23 16:30 rmanRestoreDatafiles.sql
 -rw-r-----. 1 oracle oinstall 18759680 Dec 23 16:30 tempControl.ctl
 修改三个文件init*.ora,增加参数
_exadata_feature_on=true
[oracle@ora23ai scripts]$ grep exadata *.ora
 init.ora:_exadata_feature_on=true
 initora23aiTempOMF.ora:_exadata_feature_on=true 
 initora23aiTemp.ora:_exadata_feature_on=true 
执行建库:
[oracle@ora23ai scripts]$ nohup ./ora23ai.sh > ./ora23ai.log &
 [1] 31143
 [oracle@ora23ai scripts]$ nohup: ignoring input and redirecting stderr to stdout
[oracle@ora23ai scripts]$ 
 [oracle@ora23ai scripts]$ 
 [oracle@ora23ai scripts]$ 
 [oracle@ora23ai scripts]$ tail -f ora23ai.log
创建监听:
[oracle@ora23ai ~]$ netca -silent -responsefile /u01/app/oracle/product/23/db_1/assistants/netca/netca.rsp
Parsing command line arguments:
     Parameter "silent" = true
     Parameter "responsefile" = /u01/app/oracle/product/23/db_1/assistants/netca/netca.rsp
 Done parsing command line arguments.
 Oracle Net Services Configuration:
 ProfileException: Could not save Profile: TNS-04415: File i/o error
   caused by: java.io.FileNotFoundException: /network/admin/sqlnet.ora (No such file or directory)
 Profile configuration complete.
 ListenerException: Could not save listener: TNS-04415: File i/o error
   caused by: java.io.FileNotFoundException: /network/admin/listener.ora (No such file or directory)
 Oracle Net Listener Startup:
     Running Listener Control: 
       /u01/app/oracle/product/23/db_1/bin/lsnrctl start LISTENER
     Listener Control complete.
     Listener started successfully.
 Listener configuration complete.
 Oracle Net Services configuration successful. The exit code is 0
 [oracle@ora23ai ~]$ lsnrctl status
LSNRCTL for Linux: Version 23.0.0.0.0 - for Oracle Cloud and Engineered Systems on 24-DEC-2024 10:07:29
Copyright (c) 1991, 2024, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
 STATUS of the LISTENER
 ------------------------
 Alias                     LISTENER
 Version                   TNSLSNR for Linux: Version 23.0.0.0.0 - for Oracle Cloud and Engineered Systems
 Start Date                24-DEC-2024 10:06:58
 Uptime                    0 days 0 hr. 0 min. 30 sec
 Trace Level               off
 Security                  ON: Local OS Authentication
 SNMP                      OFF
 Listener Log File         /u01/app/oracle/diag/tnslsnr/ora23ai/listener/alert/log.xml
 Listening Endpoints Summary...
   (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora23ai)(PORT=1521)))
 The listener supports no services
 The command completed successfully
起库检查:
[oracle@ora23ai scripts]$ sqlplus / as sysdba
SQL*Plus: Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems on Mon Dec 23 16:45:59 2024
 Version 23.6.0.24.10
Copyright (c) 1982, 2024, Oracle. All rights reserved.
 Connected to:
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems
 Version 23.6.0.24.10
SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ WRITE YES
 SQL> select comp_id, status from dba_registry;
COMP_ID
 ------------------------------------------------------------
 STATUS
 ----------------------
 CATALOG
 VALID
CATPROC
 VALID
RAC
 OPTION OFF
 COMP_ID
 ------------------------------------------------------------
 STATUS
 ----------------------
 JAVAVM
 VALID
XML
 VALID
CATJAVA
 VALID
 COMP_ID
 ------------------------------------------------------------
 STATUS
 ----------------------
 APS
 VALID
XDB
 VALID
OWM
 VALID
 COMP_ID
 ------------------------------------------------------------
 STATUS
 ----------------------
 CONTEXT
 VALID
XOQ
 VALID
SDO
 VALID
 COMP_ID
 ------------------------------------------------------------
 STATUS
 ----------------------
 OLS
 VALID
DV
 VALID
 14 rows selected.
SQL> set line 160  
 SQL> set wrap off
 SQL> r
   1* select comp_id, status from dba_registry
COMP_ID                                                      STATUS
 ------------------------------------------------------------ ----------------------
 CATALOG                                                      VALID
 CATPROC                                                      VALID
 RAC                                                          OPTION OFF
 JAVAVM                                                       VALID
 XML                                                          VALID
 CATJAVA                                                      VALID
 APS                                                          VALID
 XDB                                                          VALID
 OWM                                                          VALID
 CONTEXT                                                      VALID
 XOQ                                                          VALID
COMP_ID                                                      STATUS
 ------------------------------------------------------------ ----------------------
 SDO                                                          VALID
 OLS                                                          VALID
 DV                                                           VALID
14 rows selected.
SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ WRITE YES
SQL> !ls -l /u01/app/oracle/oradata/ORA23AI
 total 2394956
 -rw-r-----. 1 oracle oinstall   18759680 Dec 23 16:48 control01.ctl
 -rw-r-----. 1 oracle oinstall   18759680 Dec 23 16:48 control02.ctl
 drwxr-x---. 2 oracle oinstall         85 Dec 23 16:39 pdbseed
 -rw-r-----. 1 oracle oinstall  209715712 Dec 23 16:48 redo01.log
 -rw-r-----. 1 oracle oinstall  209715712 Dec 23 16:39 redo02.log
 -rw-r-----. 1 oracle oinstall  209715712 Dec 23 16:39 redo03.log
 -rw-r-----. 1 oracle oinstall  639639552 Dec 23 16:45 sysaux01.dbf
 -rw-r-----. 1 oracle oinstall 1111498752 Dec 23 16:44 system01.dbf
 -rw-r-----. 1 oracle oinstall   20979712 Dec 23 16:39 temp01.dbf
 -rw-r-----. 1 oracle oinstall   26222592 Dec 23 16:44 undotbs01.dbf
 -rw-r-----. 1 oracle oinstall    7348224 Dec 23 16:39 users01.dbf
SQL> create pluggable database ora23aipdb01 admin user ora23aipdb01 identified by Ora23ai_202412 file_name_convert=('/u01/app/oracle/oradata/ORA23AI/pdbseed','/u01/app/oracle/oradata/ora23aipdb01');
Pluggable database created.
SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ WRITE YES
          3 ORA23AIPDB01                   MOUNTED
 SQL> alter pluggable database ORA23AIPDB01 open instances=all;
Pluggable database altered.
SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ WRITE YES
          3 ORA23AIPDB01                   READ WRITE NO
 SQL> alter pluggable database all open save state instances=all;
 alter pluggable database all open save state instances=all
                                   *
 ERROR at line 1:
 ORA-03049: SQL keyword 'SAVE' is not syntactically valid following '...pluggable database all open '
 Help: https://docs.oracle.com/error-help/db/ora-03049/
 SQL> alter pluggable database all save state instances=all;
Pluggable database altered.
SQL> shutdown immediate
 Database closed.
 Database dismounted.
 ORACLE instance shut down.
 SQL> startup
 ORA-01078: failure in processing system parameters
 LRM-00109: could not open parameter file '/u01/app/oracle/product/23/db_1/dbs/initora23ai.ora'
[oracle@ora23ai scripts]$ cp init.ora /u01/app/oracle/product/23/db_1/dbs/initora23ai.ora
 [oracle@ora23ai scripts]$ sqlplus / as sysdba
SQL*Plus: Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems on Mon Dec 23 16:53:24 2024
 Version 23.6.0.24.10
Copyright (c) 1982, 2024, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
 ORACLE instance started.
Total System Global Area 3805934600 bytes
 Fixed Size                  5428232 bytes
 Variable Size             754974720 bytes
 Database Buffers         3036676096 bytes
 Redo Buffers                8855552 bytes
 Database mounted.
 Database opened.
 SQL> show parameter name;
NAME                                 TYPE
 ------------------------------------ ----------------------
 VALUE
 ------------------------------
 cdb_cluster_name                     string
cell_offloadgroup_name string
db_file_name_convert string
db_name                              string
 ora23ai
 db_unique_name                       string
NAME                                 TYPE
 ------------------------------------ ----------------------
 VALUE
 ------------------------------
 ora23ai
 global_names                         boolean
 FALSE
 instance_name                        string
 ora23ai
 lock_name_space                      string
log_file_name_convert string
 NAME                                 TYPE
 ------------------------------------ ----------------------
 VALUE
 ------------------------------
 pdb_file_name_convert                string
processor_group_name string
service_names                        string
 ora23ai
 SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ ONLY  NO
          3 ORA23AIPDB01                   READ WRITE NO
 SQL> select * from v$version;
BANNER
 --------------------------------------------------------------------------------
 BANNER_FULL
 --------------------------------------------------------------------------------
 BANNER_LEGACY
 --------------------------------------------------------------------------------
     CON_ID
 ----------
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud an
 d Engineered Systems
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud an
 d Engineered Systems
 Version 23.6.0.24.10
BANNER
 --------------------------------------------------------------------------------
 BANNER_FULL
 --------------------------------------------------------------------------------
 BANNER_LEGACY
 --------------------------------------------------------------------------------
     CON_ID
 ----------
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud an
 d Engineered Systems
          0
 SQL> alter session set container=ORA23AIPDB01;
Session altered.
SQL> select name from v$tablespace;
NAME
 ------------------------------------------------------------
 SYSTEM
 SYSAUX
 UNDOTBS1
 TEMP
SQL> select name from v$datafile;
NAME
 --------------------------------------------------------------------------------
 /u01/app/oracle/oradata/ora23aipdb01/system01.dbf
 /u01/app/oracle/oradata/ora23aipdb01/sysaux01.dbf
 /u01/app/oracle/oradata/ora23aipdb01/undotbs01.dbf
SQL> create tablespace jyc datafile '/u01/app/oracle/oradata/ora23aipdb01/jyc01.dbf' size 10M autoextend on next 1M;
Tablespace created.
SQL> set line 160
 SQL> set wrap off
 SQL> select TABLESPACE_NAME,BIGFILE from dba_tablespaces;
TABLESPACE_NAME                                              BIGFIL
 ------------------------------------------------------------ ------
 SYSTEM                                                       YES
 SYSAUX                                                       YES
 UNDOTBS1                                                     YES
 TEMP                                                         NO
 JYC                                                          YES
SQL> conn / as sysdba
 Connected.
 SQL> select TABLESPACE_NAME,BIGFILE from dba_tablespaces;
TABLESPACE_NAME                                              BIGFIL
 ------------------------------------------------------------ ------
 SYSTEM                                                       YES
 SYSAUX                                                       YES
 UNDOTBS1                                                     YES
 TEMP                                                         NO
 USERS                                                        YES
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
 --------------------------------------------------------------------------------------------------------
 AMERICAN_AMERICA.AL32UTF8
SQL> alter session set container=ORA23AIPDB01;
Session altered.
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
 --------------------------------------------------------------------------------------------------------
 AMERICAN_AMERICA.AL32UTF8
  
[oracle@ora23ai ~]$ sqlplus ora23aipdb01/Ora23ai_202412@192.168.207.132:1521/ora23aipdb01
SQL*Plus: Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems on Tue Dec 24 10:20:27 2024
 Version 23.6.0.24.10
Copyright (c) 1982, 2024, Oracle. All rights reserved.
 Connected to:
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems
 Version 23.6.0.24.10
SQL> select name from v$datafile;
 select name from v$datafile
                  *
 ERROR at line 1:
 ORA-00942: table or view "SYS"."V_$DATAFILE" does not exist
 Help: https://docs.oracle.com/error-help/db/ora-00942/
 SQL> select * from v$datafile;
 select * from v$datafile
               *
 ERROR at line 1:
 ORA-00942: table or view "SYS"."V_$DATAFILE" does not exist
 Help: https://docs.oracle.com/error-help/db/ora-00942/
 SQL> create table test(id int);
 create table test(id int)
 *
 ERROR at line 1:
 ORA-01031: insufficient privileges
 Help: https://docs.oracle.com/error-help/db/ora-01031/
 SQL> select object_name from user_objects;
no rows selected
  
SQL> conn / as sysdba
 Connected.
 SQL> show pdbs;
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
 ---------- ------------------------------ ---------- ----------
          2 PDB$SEED                       READ ONLY  NO
          3 ORA23AIPDB01                   READ WRITE NO
 SQL> alter session set container=ORA23AIPDB01;
Session altered.
SQL> grant dba to ora23aipdb01;
Grant succeeded.
SQL> exit
 Disconnected from Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems
 Version 23.6.0.24.10
 [oracle@ora23ai ~]$ sqlplus ora23aipdb01/Ora23ai_202412@192.168.207.132:1521/ora23aipdb01
SQL*Plus: Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems on Tue Dec 24 10:22:34 2024
 Version 23.6.0.24.10
Copyright (c) 1982, 2024, Oracle. All rights reserved.
Last Successful login time: Tue Dec 24 2024 10:20:27 +08:00
Connected to:
 Oracle Database 23ai Enterprise Edition Release 23.0.0.0.0 - for Oracle Cloud and Engineered Systems
 Version 23.6.0.24.10
SQL> select name from v$datafile;
NAME
 --------------------------------------------------------------------------------
 /u01/app/oracle/oradata/ora23aipdb01/system01.dbf
 /u01/app/oracle/oradata/ora23aipdb01/sysaux01.dbf
 /u01/app/oracle/oradata/ora23aipdb01/undotbs01.dbf
 /u01/app/oracle/oradata/ora23aipdb01/jyc01.dbf
SQL> create table test(id int);
Table created.
SQL> show user;
 USER is "ORA23AIPDB01"
 SQL> show pdbs; 
 SP2-0382: The SHOW PDBS command is not available
 Help: https://docs.oracle.com/error-help/db/sp2-0382/
 SQL> 
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