Enable Telnet on Windows 10
Telnet is still useful for beginners to test network connections.
Telnet is still useful for beginners to test network connections.
Use “yum install” to install PostgreSQL.
1) Go to https://www.postgresql.org/download, and choose your platform accordingly.

2) Action on the below steps as per instructions :

yum install https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm
yum install postgresql96
yum install postgresql96-server
/usr/pgsql-9.6/bin/postgresql96-setup initdb
systemctl enable postgresql-9.6
systemctl start postgresql-9.6
[root@racnode1 ~]# cd /tmp [root@racnode1 tmp]# yum install https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm Loaded plugins: ulninfo Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast pgdg-redhat96-9.6-3.noarch.rpm | 4.7 kB 00:00:00 Examining /var/tmp/yum-root-p5F8y1/pgdg-redhat96-9.6-3.noarch.rpm: pgdg-redhat96-9.6-3.noarch Marking /var/tmp/yum-root-p5F8y1/pgdg-redhat96-9.6-3.noarch.rpm to be installed Resolving Dependencies --> Running transaction check ---> Package pgdg-redhat96.noarch 0:9.6-3 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================= Installing: pgdg-redhat96 noarch 9.6-3 /pgdg-redhat96-9.6-3.noarch 2.7 k Transaction Summary ============================================================================================================================================================================================= Install 1 Package Total size: 2.7 k Installed size: 2.7 k Is this ok [y/d/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : pgdg-redhat96-9.6-3.noarch 1/1 Verifying : pgdg-redhat96-9.6-3.noarch 1/1 Installed: pgdg-redhat96.noarch 0:9.6-3 Complete! [root@racnode1 tmp]# yum install postgresql96 Loaded plugins: ulninfo ksplice-uptrack | 951 B 00:00:00 ol7_UEKR3 | 1.2 kB 00:00:00 ol7_addons | 1.2 kB 00:00:00 ol7_latest | 1.4 kB 00:00:00 pgdg96 | 4.1 kB 00:00:00 (1/2): pgdg96/7Server/x86_64/group_gz | 249 B 00:00:01 (2/2): pgdg96/7Server/x86_64/primary_db | 151 kB 00:00:02 (1/7): ol7_addons/x86_64/primary | 73 kB 00:00:00 (2/7): ol7_addons/x86_64/updateinfo | 38 kB 00:00:00 (3/7): ksplice-uptrack/7Server/x86_64/primary | 2.0 kB 00:00:00 (4/7): ol7_UEKR3/x86_64/updateinfo | 79 kB 00:00:00 (5/7): ol7_latest/x86_64/updateinfo | 1.3 MB 00:00:01 (6/7): ol7_UEKR3/x86_64/primary | 27 MB 00:00:20 (7/7): ol7_latest/x86_64/primary | 26 MB 00:00:20 ksplice-uptrack 7/7 ol7_UEKR3 642/642 ol7_addons 238/238 ol7_latest 19326/19326 Resolving Dependencies --> Running transaction check ---> Package postgresql96.x86_64 0:9.6.3-1PGDG.rhel7 will be installed --> Processing Dependency: postgresql96-libs(x86-64) = 9.6.3-1PGDG.rhel7 for package: postgresql96-9.6.3-1PGDG.rhel7.x86_64 --> Processing Dependency: libpq.so.5()(64bit) for package: postgresql96-9.6.3-1PGDG.rhel7.x86_64 --> Running transaction check ---> Package postgresql96-libs.x86_64 0:9.6.3-1PGDG.rhel7 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================= Installing: postgresql96 x86_64 9.6.3-1PGDG.rhel7 pgdg96 1.3 M Installing for dependencies: postgresql96-libs x86_64 9.6.3-1PGDG.rhel7 pgdg96 310 k Transaction Summary ============================================================================================================================================================================================= Install 1 Package (+1 Dependent package) Total download size: 1.6 M Installed size: 8.0 M Is this ok [y/d/N]: y Downloading packages: (1/2): postgresql96-libs-9.6.3-1PGDG.rhel7.x86_64.rpm | 310 kB 00:00:03 (2/2): postgresql96-9.6.3-1PGDG.rhel7.x86_64.rpm | 1.3 MB 00:00:04 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 415 kB/s | 1.6 MB 00:00:04 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : postgresql96-libs-9.6.3-1PGDG.rhel7.x86_64 1/2 Installing : postgresql96-9.6.3-1PGDG.rhel7.x86_64 2/2 Verifying : postgresql96-libs-9.6.3-1PGDG.rhel7.x86_64 1/2 Verifying : postgresql96-9.6.3-1PGDG.rhel7.x86_64 2/2 Installed: postgresql96.x86_64 0:9.6.3-1PGDG.rhel7 Dependency Installed: postgresql96-libs.x86_64 0:9.6.3-1PGDG.rhel7 Complete! [root@racnode1 tmp]# [root@racnode1 tmp]# yum install postgresql96-server Loaded plugins: ulninfo Resolving Dependencies --> Running transaction check ---> Package postgresql96-server.x86_64 0:9.6.3-1PGDG.rhel7 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================= Installing: postgresql96-server x86_64 9.6.3-1PGDG.rhel7 pgdg96 4.3 M Transaction Summary ============================================================================================================================================================================================= Install 1 Package Total download size: 4.3 M Installed size: 18 M Is this ok [y/d/N]: y Downloading packages: postgresql96-server-9.6.3-1PGDG.rhel7.x86_64.rpm | 4.3 MB 00:00:05 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : postgresql96-server-9.6.3-1PGDG.rhel7.x86_64 1/1 Verifying : postgresql96-server-9.6.3-1PGDG.rhel7.x86_64 1/1 Installed: postgresql96-server.x86_64 0:9.6.3-1PGDG.rhel7 Complete! [root@racnode1 tmp]# [root@racnode1 tmp]# /usr/pgsql-9.6/bin/postgresql96-setup initdb Initializing database ... OK [root@racnode1 tmp]# systemctl enable postgresql-9.6 Created symlink from /etc/systemd/system/multi-user.target.wants/postgresql-9.6.service to /usr/lib/systemd/system/postgresql-9.6.service. -- -- Start PosgreSQL Server -- [root@racnode1 tmp]# systemctl start postgresql-9.6 [root@racnode1 tmp]# ps -eaf | grep post postfix 933 1885 0 15:40 ? 00:00:00 pickup -l -t unix -u postgres 1259 1 0 15:41 ? 00:00:00 /usr/pgsql-9.6/bin/postmaster -D /var/lib/pgsql/9.6/data/ postgres 1262 1259 0 15:41 ? 00:00:00 postgres: logger process postgres 1264 1259 0 15:41 ? 00:00:00 postgres: checkpointer process postgres 1265 1259 0 15:41 ? 00:00:00 postgres: writer process postgres 1266 1259 0 15:41 ? 00:00:00 postgres: wal writer process postgres 1267 1259 0 15:41 ? 00:00:00 postgres: autovacuum launcher process postgres 1268 1259 0 15:41 ? 00:00:00 postgres: stats collector process root 1277 5694 0 15:41 pts/0 00:00:00 grep --color=auto post root 1885 1 0 12:50 ? 00:00:00 /usr/libexec/postfix/master -w postfix 1893 1885 0 12:50 ? 00:00:00 qmgr -l -t unix -u [root@racnode1 tmp]# [root@racnode1 ~]# su - postgres Last login: Thu Jul 13 16:06:15 AEST 2017 on pts/0 -bash-4.2$ psql psql (9.6.3) Type "help" for help. postgres=# \l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres (3 rows) postgres=#
For changing common user password, it should be done in CDB root container ( CDB$ROOT ).
$ sqlplus sys@pdb1 as sysdba
SQL> alter user system identified by “PasswordNew”;
alter user system identified by “PasswordNew”
*
ERROR at line 1:
ORA-65066: The specified changes must apply to all containers
SQL> show con_name
CON_NAME
————
PDB1
SQL> connect / as sysdba
Connected.
SQL> alter user system identified by “PasswordNew”;
User altered.
SQL> show con_name
CON_NAME
————
CDB$ROOT
For 10.2.0.5, set up parameter value by :
alter system set sga_target= scope= sid=;
In 10g database, when trying to change SGA_TARGET parameter in spfile, “ORA-02065: illegal option for ALTER SYSTEM” occurred.
$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Tue Jun 13 15:56:37 2017
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> show parameter sga_target
NAME_COL_PLUS_SHOW_PARAM TYPE VALUE_COL_PLUS_SHOW_PARAM
------------------------ ----------- --------------------------
sga_target big integer 4G
SQL> alter system set sga_target=2g sid='RACTEST1' scope=spfile;
alter system set sga_target=2g sid='RACTEST1' scope=spfile
*
ERROR at line 1:
ORA-02065: illegal option for ALTER SYSTEM
By swapping the order of “sid” and scope, it is working fine:
SQL> alter system set sga_target=2g scope=spfile sid='RACTEST1';
System altered.
SQL>
It seems Oracle Advanced Compression Feature does not apply to IOT tables.
Tried to apply Oracle Advanced Compression Feature onto IOT tables in 12.1.0.2, then got this error.
SQL> CREATE TABLE TEST_IOT_TBL
( id number,
sex char(1),
name varchar2(20),
CONSTRAINT TEST_IOT_TBL_PK PRIMARY KEY (id,sex ) ENABLE
) ORGANIZATION INDEX ;
Table created.
SQL> insert into TEST_IOT_TBL values ( 1,'M','test1');
1 row created.
SQL> insert into TEST_IOT_TBL values (2,'M','test2');
1 row created.
SQL> commit;
Commit complete.
SQL> alter table TEST_IOT_TBL move compress for all operations;
alter table TEST_IOT_TBL move compress for all operations
*
ERROR at line 1:
ORA-02158: invalid CREATE INDEX option