Tuanlp.com
  • Oracle
    • Backup&Recovery
    • Rac
    • Dataguard
    • Performance Tuning
    • Troubleshoot
  • PostgreSQL
  • MySQL
  • SQL Server
  • Data Science
    • Tableau
    • Power BI
  • Linux
    • VMware
  • Other
  • Courses
  • PostgreSQL

    Configure pgbackrest on Database Server – Local in PostgreSQL

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

     pgBackRest is an open-source backup tool for PostgreSQL which offers easy configuration and reliable backups. pgBackRest is a reliable, easy-to-use backup and restore solution that can seamlessly scale up to the largest databases and workloads by utilizing algorithms optimized for database-specific requirements. Some …

  • PostgreSQL

    Steps to enable HugePages in PostgreSQL

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

     By default, the page size on Linux is 4kb. A typical PostgreSQL instance may allocate many GBs of memory, which will end up with potential performance problems with such a small …

  • Backup&RecoveryDataguardOracle

    Recover a Table from Drop/Truncate/Delete done on Primary using Flashback on a Standby

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

     In this article, we will learn steps needed to perform recovery of User wrong operation like delete/drop/truncate action on the production table without using Restore and Recover command on PRIMARY DATABASE. …

  • Oracle

    Step by Step Migrate Database from Non-ASM to ASM in Oracle

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

     There are various methods (RMAN, Online datafiles move 12c onwards, ASMCMD, DBMS_FILE_TRANSFER, etc) to achieve migrate databases from Non-ASM to ASM. Here we will use two types of RMAN mix …

  • Oracle

    Step by Step Upgrade Oracle Database from 12c to 19c using DBUA

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

    List of target upgrade versions from supported source version along with the certificate, data source support.oracle.com. Direct Upgrade Version List: Source DB Version Target DB Version 18.1 19c 12.2.0.2 19c 12.1.0.2 19c …

  • Backup&RecoveryOracle

    Steps to Clone Oracle Database from Windows to Oracle Linux

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

    In the previous blog, we saw Steps to create a Heterogeneous Dataguard between Windows and Linux Click here to read more. In this blog, we are going to perform a clone of Windows Oracle DB …

  • DataguardOracle

    Steps to create a Heterogeneous Dataguard between Windows and Linux

    by tuanlp October 2, 2023
    by tuanlp October 2, 2023

    Heterogenous Dataguard is a best use case, when we need to perform DB migration from Windows to Linux with minimum downtime as the actual downtime comprises only DB switch. As both Windows and Linux are Little …

  • OracleTroubleshoot

    ORA-16191: Primary log shipping client not logged on standby

    by tuanlp October 1, 2023
    by tuanlp October 1, 2023

     💡 While setting up the standby database in Oracle, the archives are not being shipped to the standby and we were continuously getting this alert when queried the V$ARCHIVE_DEST view. …

  • 1
  • …
  • 12
  • 13
  • 14
  • 15
  • 16
  • …
  • 37

About Me

About Me

Freelance Sys Admins

My name is Tuanlp, freelance Sys Admins in HaNoi, VietNam. Welcome to my internet journal where I started my learning journey.

Popular Posts

  • SQL message: ORA-00600: internal error code, arguments: [kdsgrp1], [], [],

    October 2, 2023
  • Oracle Client: INS-32025: The chosen installation conflicts with software already installed in the given Oracle home

    October 1, 2023
  • Tìm kiếm file và thư mục theo dung lượng

    October 1, 2023
  • Buffer busy wait in Statspack report Oracle

    September 25, 2023
  • How to Install Chrony NTP Server on CentOS 8

    November 7, 2023

Categories

MySQL (1) Ubuntu (2) Uncategorized (2) SQL Server (2) Other (4) Monitoring (5) Windows (5) VMware (9) Backup&Recovery (13) Rac (14) Web Application (16) AlmaLinux (21) PostgreSQL (21) Dataguard (27) Linux (33) Performance Tuning (39) Troubleshoot (77) Oracle (180)
  • Home
  • Downloads
  • Privacy Policy
  • Contact

@2023 - All Right Reserved. Designed and Developed by Tuanlp