Category Archives: Oracle Database

Upgrade Oracle Database RAC 2 nodes CDB, 2 PDBs from 19.3 to 19.9

By Wadhah DAOUEHI | July 7, 2021 - 10:46 pm |July 7, 2021 High Availability, Linux, Oracle 19c, Oracle Database, OracleLinux8

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This article explains the steps to upgrade Oracle Database RAC 2 nodes with CDB mode … Read More →

Max 3 PDBs within 21c Standard Edition S2, not bad

By Wadhah DAOUEHI | May 15, 2021 - 3:45 pm |November 1, 2021 Oracle Database

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While the feature “Multi-Tenant” begin within 12c, now is a mandatory for both Editions “Enterprise … Read More →

Upgrade Oracle Home 19c (19.3 to 19.9)

By Wadhah DAOUEHI | November 19, 2020 - 11:24 am |November 19, 2020 Oracle 19c, Oracle Database, OracleLinux8

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We are going to enjoy the upgrade steps of Oracle Database Home 19c from 19.3 … Read More →

Password-Mode Encryption RMAN Backup

By Wadhah DAOUEHI | October 28, 2020 - 4:50 pm |October 17, 2021 Oracle 12.2, Oracle Database, Security

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May you want to restore an Oracle database Backup, in an other environment and you … Read More →

Black or White List by IP address SQL NET

By Wadhah DAOUEHI | October 20, 2020 - 1:56 pm |October 17, 2021 Linux, Oracle Database, Security

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To prevent every one to connect to Oracle database directly, we can just authorize the … Read More →

Register Oracle service name on Listener other than 1521

By Wadhah DAOUEHI | October 17, 2020 - 11:07 am |October 17, 2021 Linux, Oracle 12.2, Oracle Database

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While the default port number of the Oracle LISTENER 1521, then the Oracle database will … Read More →

Convert Oracle Dedicaded to shared server

By Wadhah DAOUEHI | September 16, 2020 - 6:02 pm |September 1, 2021 Oracle 19c, Oracle Database, OracleLinux8

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Converting Oracle database connection mode from Dedicated mode to Shared mode within Oracle Database 19c … Read More →

Convert Oracle RAC 19c Policy manager to Administrator managed

By Wadhah DAOUEHI | September 1, 2020 - 11:39 am |September 1, 2021 Oracle, Oracle 19c, Oracle Database, OracleLinux8

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This article explains the steps to convert Oracle database 19c RAC 2 nodes policy manager … Read More →

[FATAL] [DBT-06103] The port (5,500) is already in use. ACTION: Specify a free port, Oracle 19c

By Wadhah DAOUEHI | May 29, 2020 - 9:59 pm |May 31, 2020 Linux, Oracle 19c, Oracle Database

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While installing the Oracle Database Software, we have find this Fatal Error: Error: [FATAL] [DBT-06103] … Read More →

Drop guaranteed restore points: ORA-38781

By Wadhah DAOUEHI | November 12, 2019 - 12:30 pm |November 12, 2019 Oracle, Oracle Database

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I cannot disable archive log for my Oracle database 12c, after creating a restore point … Read More →