升级步骤

  • Oracle 12.2.0.1升级至12.2.0.1.190115
1、阅读readme文件
2、检查更新opatch
3、备份程序
4、使用opatchauto工具进行数据库升级
5、打OJVM补丁

1、阅读readme文件

2、检查更新opatch

【12.1.0.2.0】版本是12.1.0.1.3 更新至12.2.0.1.13之上
【12.2.0.1.0】版本是12.2.0.1.6 更新至12.2.0.1.12之上
--更新opatch
https://updates.oracle.com/download/6880880.html Opatch下载地址
$ORACLE_HOME/OPatch/opatch version
$ORACLE_HOME/OPatch/opatch lspatches chmod -R 777 /oracle/soft/p6880880_122010_Linux-x86-64.zip --------------------------------oracle opatch
su - oracle
ls -ld $ORACLE_HOME/OPatch*
mv $ORACLE_HOME/OPatch $ORACLE_HOME/OPatch`date +\%Y\%m\%d`bak && cd /oracle/soft && unzip p6880880_122010_Linux-x86-64.zip -d $ORACLE_HOME
$ORACLE_HOME/OPatch/opatch version RAC环境下无法在grid用户下直接执行,会报权限不足,需要root用户mv opatch
--------------------------------grid opatch
su - grid
ls -ld $ORACLE_HOME/OPatch*
cd $ORACLE_HOME/OPatch
pwd
su -
mv /oracle/app/12.2.0/grid/OPatch /oracle/app/12.2.0/grid/OPatch`date +\%Y\%m\%d`
unzip /oracle/soft/p6880880_122010_Linux-x86-64.zip -d /oracle/app/12.2.0/grid
chown -R grid:oinstall /oracle/app/12.2.0/grid/OPatch
su - grid
$ORACLE_HOME/OPatch/opatch version

3、备份程序

【备份软件】
su - root
mkdir -p /oracle/backup_soft
nohup tar -cvf /oracle/backup_soft/`date +\%Y\%m\%d`_oracle.tar /oracle/app/oracle >/oracle/backup_soft/`date +\%Y\%m\%d`_oracle.tar.log &
nohup tar -cvf /oracle/backup_soft/`date +\%Y\%m\%d`_12.2.0.tar /oracle/app/12.2.0 >/oracle/backup_soft/`date +\%Y\%m\%d`_12.2.0.tar.log &
nohup tar -cvf /oracle/backup_soft/`date +\%Y\%m\%d`_grid.tar /oracle/app/grid >/oracle/backup_soft/`date +\%Y\%m\%d`_grid.tar.log &
nohup tar -cvf /oracle/backup_soft/`date +\%Y\%m\%d`_oraInventory.tar /oracle/app/oraInventory >/oracle/backup_soft/`date +\%Y\%m\%d`_oraInventory.tar.log &
nohup tar -cvf /oracle/backup_soft/`date +\%Y\%m\%d`_etc.tar /etc >/oracle/backup_soft/`date +\%Y\%m\%d`_etc.tar.log &

4、使用opatchauto工具进行数据库升级

su – root
mkdir -p /oracle/soft/12c_patch
cd /oracle/soft/12c_patch
unzip /oracle/soft/p28980109_122010_Linux-x86-64.zip -d /oracle/soft/12c_patch
chmod -R 777 /oracle/soft/12c_patch 方法1:GI和DB分开打
【To patch only the GI home】
su - root
export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
export GI_HOME=/oracle/app/12.2.0/grid
export PATH=$PATH:$GI_HOME/OPatch
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $GI_HOME -analyze
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $GI_HOME 【To patch only the DB home】
su - root
export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
export ORACLE_HOME=/oracle/app/oracle/product/12.2.0/db_1
export PATH=$PATH:$ORACLE_HOME/OPatch
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $ORACLE_HOME -analyze
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $ORACLE_HOME 方法2:GI+DB一起打
su - root
export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
export GI_HOME=/oracle/app/12.2.0/grid
export PATH=$PATH:$GI_HOME/OPatch
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -analyze
opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 --12C补丁列表信息
$ORACLE_HOME/OPatch/opatch version
$ORACLE_HOME/OPatch/opatch lspatches
$ORACLE_HOME/OPatch/opatch lsinventory --检查数据字典中补丁信息
set lines 500 pages 500
col description for a80
col action_time for a35
col action for a10
col comments for a50
col VERSION for a20
col NAMESPACE for a20
col BUNDLE_SERIES for a20
select * from registry$history;
select patch_id,version,action,status,action_time,description from dba_registry_sqlpatch;

5、打OJVM补丁

【OJVM】
1、ojvm补丁检查
su - oracle
export PATCH_TOP_DIR=/oracle/soft/12c_patch/28980109
export PATH=$PATH:$ORACLE_HOME/OPatch
opatch prereq CheckConflictAgainstOHWithDetail -ph $PATCH_TOP_DIR/28790651 2、关闭所有服务(shut down all the services (database, ASM, listeners, nodeapps, and CRS daemons)
For an Oracle RAC environment, shut down all the services (database, ASM, listeners, nodeapps, and CRS daemons) running from the Oracle home on all the nodes you want to patch. su – root
/oracle/app/12.2.0/grid/bin/crsctl stop cluster -all -----停止所有节点集群服务 3、打OJVM补丁,所有节点都要打(OPatch is used on only one node at a time.)
su - oracle
export PATCH_TOP_DIR=/oracle/soft/12c_patch/28980109
export PATH=$PATH:$ORACLE_HOME/OPatch
cd $PATCH_TOP_DIR/28790651
$ORACLE_HOME/OPatch/opatch apply
$ORACLE_HOME/OPatch/opatch lspatches
$ORACLE_HOME/OPatch/opatch lsinventory 4、启服务 (After all nodes are patched, start all services. )
su – root
/oracle/app/12.2.0/grid/bin/crsctl start cluster -all -----启动所有节点集群服务 5、Loading Modified SQL Files Into the Database
1)Starting the Database for Post Installation Steps in an Oracle RAC Environment
On only one node, perform the following steps to start an Oracle RAC database in startup upgrade mode. sqlplus / as sysdba
SQL> startup 启动所有服务的时候数据库资源以及启动了
SQL> alter system set cluster_database=false scope=spfile; $ORACLE_HOME/bin/srvctl stop database -d ndscdb
sqlplus / as sysdba
SQL> startup upgrade 2)
cd $ORACLE_HOME/OPatch
./datapatch -verbose 过程见下面
sqlplus / as sysdba
SQL> shutdown immediate; 3)Restarting the Database after Running the Post Installation Steps in an Oracle RAC Environment To start the database back in normal mode sqlplus / as sysdba
SQL> startup
SQL> alter system set cluster_database=true scope=spfile;
SQL> shutdown immediate;
$ORACLE_HOME/bin/srvctl start database -d ndscdb 6、失效对象
cd $ORACLE_HOME/rdbms/admin
sqlplus / as sysdba
SQL> @utlrp.sql set lin 300 pages 5000
col object_name for a40
col owner for a20
select count(*) from dba_objects where status='INVALID';
select count(*) from dba_objects where status='INVALID' and owner='SYS';
select owner,object_name,object_type,status from dba_objects where status='INVALID'; 7、检查数据字典中补丁信息
set lines 500 pages 500
col description for a75
col action_time for a35
col action for a10
col comments for a50
col VERSION for a25
col NAMESPACE for a20
col BUNDLE_SERIES for a20
select * from registry$history;
select patch_id,version,action,status,action_time,description from dba_registry_sqlpatch;

附 升级补丁日志

--补丁安装日志
WWJD-DB1:/root #export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
WWJD-DB1:/root #export GI_HOME=/oracle/app/12.2.0/grid
WWJD-DB1:/root #export PATH=$PATH:$GI_HOME/OPatch
WWJD-DB1:/root #opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $GI_HOME OPatchauto session is initiated at Mon Jan 28 13:53:33 2019 System initialization log file is /oracle/app/12.2.0/grid/cfgtoollogs/opatchautodb/systemconfig2019-01-28_01-53-36PM.log. Session log file is /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/opatchauto2019-01-28_01-53-48PM.log
The id for this session is D6KS Executing OPatch prereq operations to verify patch applicability on home /oracle/app/12.2.0/grid
Patch applicability verified successfully on home /oracle/app/12.2.0/grid Bringing down CRS service on home /oracle/app/12.2.0/grid
Prepatch operation log file location: /oracle/app/grid/crsdata/WWJD-db1/crsconfig/crspatch_WWJD-db1_2019-01-27_09-54-06PM.log
CRS service brought down successfully on home /oracle/app/12.2.0/grid Start applying binary patch on home /oracle/app/12.2.0/grid
Binary patch applied successfully on home /oracle/app/12.2.0/grid Starting CRS service on home /oracle/app/12.2.0/grid
Postpatch operation log file location: /oracle/app/grid/crsdata/WWJD-db1/crsconfig/crspatch_WWJD-db1_2019-01-27_09-58-04PM.log
CRS service started successfully on home /oracle/app/12.2.0/grid OPatchAuto successful. --------------------------------Summary-------------------------------- Patching is completed successfully. Please find the summary as follows: Host:WWJD-db1
CRS Home:/oracle/app/12.2.0/grid
Version:12.2.0.1.0
Summary: ==Following patches were SUCCESSFULLY applied: Patch: /oracle/soft/12c_patch/28980109/28828733/26839277
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_13-55-08PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28566910
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_13-55-08PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28822515
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_13-55-08PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28864846
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_13-55-08PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28870605
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_13-55-08PM_1.log OPatchauto session completed at Mon Jan 28 14:06:37 2019
Time taken to complete the session 13 minutes, 4 seconds
WWJD-DB1:/root # WWJD-DB1:/root #export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
WWJD-DB1:/root #export ORACLE_HOME=/oracle/app/oracle/product/12.2.0/db_1
WWJD-DB1:/root #export PATH=$PATH:$ORACLE_HOME/OPatch
WWJD-DB1:/root #opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $ORACLE_HOME -analyze OPatchauto session is initiated at Mon Jan 28 14:13:12 2019 System initialization log file is /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchautodb/systemconfig2019-01-28_02-13-16PM.log. Session log file is /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/opatchauto2019-01-28_02-14-04PM.log
The id for this session is 1RQ4 Executing OPatch prereq operations to verify patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
Patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1 Verifying SQL patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
SQL patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1 OPatchAuto successful. --------------------------------Summary-------------------------------- Analysis for applying patches has completed successfully: Host:WWJD-db1
RAC Home:/oracle/app/oracle/product/12.2.0/db_1
Version:12.2.0.1.0 ==Following patches were SKIPPED: Patch: /oracle/soft/12c_patch/28980109/28828733/28864846
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/26839277
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/28566910
Reason: This patch is not applicable to this specified target type - "rac_database" ==Following patches were SUCCESSFULLY analyzed to be applied: Patch: /oracle/soft/12c_patch/28980109/28828733/28870605
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_14-14-14PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28822515
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_14-14-14PM_1.log OPatchauto session completed at Mon Jan 28 14:14:44 2019
Time taken to complete the session 1 minute, 32 seconds WWJD-DB1:/root #opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 -oh $ORACLE_HOME OPatchauto session is initiated at Mon Jan 28 14:15:18 2019 System initialization log file is /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchautodb/systemconfig2019-01-28_02-15-21PM.log. Session log file is /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/opatchauto2019-01-28_02-15-46PM.log
The id for this session is DJVQ Executing OPatch prereq operations to verify patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
Patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1 Verifying SQL patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
SQL patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1 Preparing to bring down database service on home /oracle/app/oracle/product/12.2.0/db_1
Successfully prepared home /oracle/app/oracle/product/12.2.0/db_1 to bring down database service Bringing down database service on home /oracle/app/oracle/product/12.2.0/db_1
Following database(s) and/or service(s) are stopped and will be restarted later during the session: ndscdb
Database service successfully brought down on home /oracle/app/oracle/product/12.2.0/db_1 Performing prepatch operation on home /oracle/app/oracle/product/12.2.0/db_1
Perpatch operation completed successfully on home /oracle/app/oracle/product/12.2.0/db_1 Start applying binary patch on home /oracle/app/oracle/product/12.2.0/db_1
Binary patch applied successfully on home /oracle/app/oracle/product/12.2.0/db_1 Performing postpatch operation on home /oracle/app/oracle/product/12.2.0/db_1
Postpatch operation completed successfully on home /oracle/app/oracle/product/12.2.0/db_1 Starting database service on home /oracle/app/oracle/product/12.2.0/db_1
Database service successfully started on home /oracle/app/oracle/product/12.2.0/db_1 Preparing home /oracle/app/oracle/product/12.2.0/db_1 after database service restarted
No step execution required......... Trying to apply SQL patch on home /oracle/app/oracle/product/12.2.0/db_1
SQL patch applied successfully on home /oracle/app/oracle/product/12.2.0/db_1 OPatchAuto successful. --------------------------------Summary-------------------------------- Patching is completed successfully. Please find the summary as follows: Host:WWJD-db1
RAC Home:/oracle/app/oracle/product/12.2.0/db_1
Version:12.2.0.1.0
Summary: ==Following patches were SKIPPED: Patch: /oracle/soft/12c_patch/28980109/28828733/28864846
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/26839277
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/28566910
Reason: This patch is not applicable to this specified target type - "rac_database" ==Following patches were SUCCESSFULLY applied: Patch: /oracle/soft/12c_patch/28980109/28828733/28822515
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_14-17-17PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28870605
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_14-17-17PM_1.log OPatchauto session completed at Mon Jan 28 14:20:23 2019
Time taken to complete the session 5 minutes, 6 seconds
WWJD-DB1:/root # 节点2 WWJD-DB2:/root #export UNZIPPED_PATCH_LOCATION=/oracle/soft/12c_patch/28980109
WWJD-DB2:/root #export GI_HOME=/oracle/app/12.2.0/grid
WWJD-DB2:/root #export PATH=$PATH:$GI_HOME/OPatch
WWJD-DB2:/root #opatchauto apply $UNZIPPED_PATCH_LOCATION/28828733 OPatchauto session is initiated at Mon Jan 28 16:21:56 2019 System initialization log file is /oracle/app/12.2.0/grid/cfgtoollogs/opatchautodb/systemconfig2019-01-28_04-21-59PM.log. Session log file is /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/opatchauto2019-01-28_04-22-27PM.log
The id for this session is SW7K Executing OPatch prereq operations to verify patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
Executing OPatch prereq operations to verify patch applicability on home /oracle/app/12.2.0/grid Patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1
Patch applicability verified successfully on home /oracle/app/12.2.0/grid Verifying SQL patch applicability on home /oracle/app/oracle/product/12.2.0/db_1
SQL patch applicability verified successfully on home /oracle/app/oracle/product/12.2.0/db_1 Preparing to bring down database service on home /oracle/app/oracle/product/12.2.0/db_1
Successfully prepared home /oracle/app/oracle/product/12.2.0/db_1 to bring down database service Bringing down CRS service on home /oracle/app/12.2.0/grid
Prepatch operation log file location: /oracle/app/grid/crsdata/WWJD-db2/crsconfig/crspatch_WWJD-db2_2019-01-28_00-23-06AM.log
CRS service brought down successfully on home /oracle/app/12.2.0/grid Performing prepatch operation on home /oracle/app/oracle/product/12.2.0/db_1
Perpatch operation completed successfully on home /oracle/app/oracle/product/12.2.0/db_1 Start applying binary patch on home /oracle/app/oracle/product/12.2.0/db_1
Binary patch applied successfully on home /oracle/app/oracle/product/12.2.0/db_1 Performing postpatch operation on home /oracle/app/oracle/product/12.2.0/db_1
Postpatch operation completed successfully on home /oracle/app/oracle/product/12.2.0/db_1 Start applying binary patch on home /oracle/app/12.2.0/grid
Binary patch applied successfully on home /oracle/app/12.2.0/grid Starting CRS service on home /oracle/app/12.2.0/grid
Postpatch operation log file location: /oracle/app/grid/crsdata/WWJD-db2/crsconfig/crspatch_WWJD-db2_2019-01-28_00-35-56AM.log
CRS service started successfully on home /oracle/app/12.2.0/grid Preparing home /oracle/app/oracle/product/12.2.0/db_1 after database service restarted
No step execution required......... Trying to apply SQL patch on home /oracle/app/oracle/product/12.2.0/db_1
SQL patch applied successfully on home /oracle/app/oracle/product/12.2.0/db_1 OPatchAuto successful. --------------------------------Summary-------------------------------- Patching is completed successfully. Please find the summary as follows: Host:WWJD-db2
RAC Home:/oracle/app/oracle/product/12.2.0/db_1
Version:12.2.0.1.0
Summary: ==Following patches were SKIPPED: Patch: /oracle/soft/12c_patch/28980109/28828733/28864846
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/26839277
Reason: This patch is not applicable to this specified target type - "rac_database" Patch: /oracle/soft/12c_patch/28980109/28828733/28566910
Reason: This patch is not applicable to this specified target type - "rac_database" ==Following patches were SUCCESSFULLY applied: Patch: /oracle/soft/12c_patch/28980109/28828733/28822515
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-31-15PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28870605
Log: /oracle/app/oracle/product/12.2.0/db_1/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-31-15PM_1.log Host:WWJD-db2
CRS Home:/oracle/app/12.2.0/grid
Version:12.2.0.1.0
Summary: ==Following patches were SUCCESSFULLY applied: Patch: /oracle/soft/12c_patch/28980109/28828733/26839277
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-32-45PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28566910
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-32-45PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28822515
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-32-45PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28864846
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-32-45PM_1.log Patch: /oracle/soft/12c_patch/28980109/28828733/28870605
Log: /oracle/app/12.2.0/grid/cfgtoollogs/opatchauto/core/opatch/opatch2019-01-28_16-32-45PM_1.log OPatchauto session completed at Mon Jan 28 16:42:00 2019
Time taken to complete the session 20 minutes, 4 seconds
WWJD-DB2:/root #

Oracle 12C 补丁升级的更多相关文章

  1. 探索Oracle之数据库升级八 12c Downgrade 11gR2

    探索Oracle之数据库升级八 12c Downgrade 11gR2 前言: 我们前面已经完毕了11gR2 upgrade to 12c 的升级,整个过程还是比較顺利的,尽管和曾经版本号升级有些不太 ...

  2. oracle补丁升级

    PSU的全称是Patch Set Update,Oracle对于其产品每个季度发行一次的补丁包,包含了bug的修复.Oracle选取被用户下载数量多,且被验证过具有较低风险的补丁放入到每个季度的PSU ...

  3. 探索Oracle之数据库升级七 11gR2 to 12c 升级完毕后插入PDB

    探索Oracle之数据库升级七 11gR2 to 12c 升级完毕后插入PDB 前言:        从Oracle 12c開始,引入了容器数据库的概念,能够实现数据库插拔操作,例如以下图: 如今我们 ...

  4. 本地Oracle客户端11g升级12c导致PowerCenter无法连接ODBC数据源

    问题: 本地Oracle客户端由11g-32bit升级为12c-64bit时,在PowerCenter Designer使用原来的ODBC连接导入数据库表时,发生如下错误: 原因: 原oracle11 ...

  5. 【转】:Oracle Linux6.9下安装Oracle 11.2.0.4.0及psu补丁升级

    为方便截图,本文操作都在vmware虚拟机上完成. 目录: 1.操作系统安装 2.数据库安装 3.PSU补丁升级卸载   part1 操作系统安装 Oracle (Enterprise) Linux ...

  6. Oracle 12c新特性

    转载自:Oracle 12c新特性(For DBA) 一: Multitenant Architecture (12.1.0.1)      多租户架构是Oracle 12c(12.1)的新增重磅特性 ...

  7. Oracle 12c新特性(For DBA)

    一: Multitenant Architecture (12.1.0.1)      多租户架构是Oracle 12c(12.1)的新增重磅特性,内建的多分租(Multi-tenancy),一个容器 ...

  8. OCP培训 Oracle 12c/18c/19c OCP认证实战培训【送OCP优惠名额】

    一.OCP培训 Oracle 12c/18c/19c OCP认证全套实战培训[送OCP优惠名额],本课程内容 课程目标: 为满足想参加Oracle OCP考证的学员,风哥设计的一套比较全面OCP实战培 ...

  9. linux下通过脚本方式对中间件weblogic进行补丁升级

    转至:http://bbs.learnfuture.com/topic/48 linux下通过脚本方式对中间件weblogic进行补丁升级 刘五奎 [摘要] 在运维行业,系统或软件漏洞每每牵动着每一个 ...

随机推荐

  1. c/c++/java如何访问数据库(优秀博文)

    (下面是c++)  https://www.cnblogs.com/47088845/p/5706496.html  https://www.cnblogs.com/shiyingzhi/p/7896 ...

  2. windows和linux换行规则的区别

    在计算机还没有出现之前,有一种叫做电传打字机(Teletype Model 33)的玩意,每秒钟可以打10个字符.但是它有一个问题,就是打完一行换行的时候,要用去0.2秒,正好可以打两个字符.要是在这 ...

  3. python面试必问 知识整理

      一 数据类型 1 数字 整型与浮点型   #整型int 作用:年纪,等级,身份证号,qq号等整型数字相关 定义: age=10 #本质age=int(10) #浮点型float 作用:薪资,身高, ...

  4. 微信小程序做radio,可以拖动进度条

    很简单的一个音乐播放器 data:{ src: 'http://ws.stream.qqmusic.qq.com/M500001VfvsJ21xFqb.mp3?guid=ffffffff82def4a ...

  5. LOJ.6160.[美团CodeM初赛 RoundA]二分图染色(容斥 组合)

    题目链接 \(Description\) 求在\(2n\)个点的完全二分图(两边各有\(n\)个点)上确定两组匹配,使得两个匹配没有交集的方案数. \(n\leq10^7\). \(Solution\ ...

  6. 01_ if 练习

    prompt()        弹出一个对话框,该对话框中会带有一个文本框,用户可以在文本框中输入一段内容. 该函数需要一个字符串作为参数,用作对话框的提示文字. 用户输入内容,将会作为函数返回值.可 ...

  7. Eureka源码解读

    Eureka是我接触分布式软件和服务的第一个框架,所以其原理和实现我的好好研究一下,Eureka可以参看这篇博文:http://springcloud.cn/view/29 初学者会在教程中看到使用@ ...

  8. [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project triage: Compilation failure [ERROR] No compiler is provided in this environment.

    [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-c ...

  9. kubenetes master重启以后,服务异常排查

    k8s集群环境:三台机器,一台master,三个node(每台都安装node服务) 问题藐视:重启的时候,发现master的服务都能正常启动,但是就是不好使,看/var/log/message日志也没 ...

  10. Java+面向对象初学感想

    在先导课之前我未曾接触C和Python之外的语言,在大一学年的课程中,用面向过程的思想方法足以完成绝大多数课程要求,故而我也对面向对象的编程思想知之甚少,虽然多有耳闻但是对它一直没有一个正式的学习了解 ...