Skip to content
pvmehta.com

pvmehta.com

  • Home
  • About Me
  • Toggle search form
  • Standby Database Behavior when a Datafile is Resized on the Primary Database Note:123883.1 Oracle
  • Test Case for Inserting Multiple (2.3 Million rows in 26 Seconds) Oracle
  • send email from unix mailx with attachment. Linux/Unix
  • currwaitobj.sql SQl_ID and SQL statement you can get from currwaitobj.sql Oracle
  • to see when crontab is changed. Linux/Unix
  • To seee semaphores and shared memory segments in Solaris Linux/Unix
  • Drop all SPM baselines for SQL handle Oracle
  • compile_inv.sql Oracle
  • eplan9i.sql Oracle
  • SCRIPT TO LIST RECURSIVE DEPENDENCY BETWEEN OBJECTS UTLDTREE.sql Oracle
  • rm_backup_arch_file.ksh Linux/Unix
  • DB Console Mainenance. Oracle
  • How to stop OCSSD Daemon Oracle
  • To see mem usage and CPU usage system wide. Linux/Unix
  • Follwoing korn shell is used to move files from source folder to destination folder and gzip it in destination folder. mv_iotto.ksh Linux/Unix

Category: MYSQL

Oracle vs MYSQL Architecture differences (For DBAs)

Posted on 24-Jul-2025 By Admin No Comments on Oracle vs MYSQL Architecture differences (For DBAs)

Here’s a detailed comparison table between Oracle and MySQL architectures, highlighting components, memory structures, process models, transaction behavior, and other key aspects — tailored for an Oracle DBA transitioning to MySQL. 🏗️ Oracle vs MySQL Architecture (Detailed Comparison Table) Component / Area Oracle RDBMS MySQL (with InnoDB) Architecture Type Multi-process architecture (background processes) Single-process, multi-threaded…

Read More “Oracle vs MYSQL Architecture differences (For DBAs)” »

MYSQL

V$INSTANCE of Oracle in MYSQL

Posted on 24-Jul-202524-Jul-2025 By Admin No Comments on V$INSTANCE of Oracle in MYSQL

The Oracle view **V$INSTANCE** provides information about the running Oracle database instance — such as instance name, host, version, status, startup time, etc. ✅ MySQL Equivalent of V$INSTANCE There is no single view in MySQL that maps 1:1 to V$INSTANCE, but you can gather the equivalent details using the following queries: Oracle V$INSTANCE Column MySQL…

Read More “V$INSTANCE of Oracle in MYSQL” »

MYSQL

Day to day MYSQL DBA operations (Compared with Oracle DBA)

Posted on 24-Jul-202524-Jul-2025 By Admin No Comments on Day to day MYSQL DBA operations (Compared with Oracle DBA)

Here is a mapping of commonly used Oracle dynamic performance views (V$ views) and data dictionary views (DBA_*) to their closest equivalents in MySQL. These are especially useful for Oracle DBAs learning how to inspect system-level information in MySQL. 🔄 Oracle V$ and DBA_ Views vs MySQL INFORMATION_SCHEMA / Performance Schema Oracle View MySQL Equivalent…

Read More “Day to day MYSQL DBA operations (Compared with Oracle DBA)” »

MYSQL

MYSQL and Oracle Comparison for Oracle DBA

Posted on 24-Jul-202524-Jul-2025 By Admin No Comments on MYSQL and Oracle Comparison for Oracle DBA

Here’s a practical comparison of MySQL for Oracle DBAs, focusing on key concepts, terminology, architecture, and daily operations so that you can quickly map your Oracle knowledge to MySQL. I’ll structure it in a table format followed by important notes: 🔁 Oracle to MySQL Mapping Table (Essentials for Oracle DBAs) Concept / Task Oracle MySQL…

Read More “MYSQL and Oracle Comparison for Oracle DBA” »

MYSQL

MYSQL for Oracle DBA

Posted on 24-Jul-202524-Jul-2025 By Admin No Comments on MYSQL for Oracle DBA

Excellent! Since you’re already a seasoned Oracle DBA on Linux, transitioning to MySQL will be straightforward — but you’ll need to shift focus to MySQL’s different architecture, tooling, and storage engine model. 🧠 Training Plan: MySQL DBA for Oracle DBAs (Linux-Based) We’ll cover the following areas step-by-step. Each topic will include theory, practical commands, and…

Read More “MYSQL for Oracle DBA” »

MYSQL

Categories

  • Ansible (0)
  • AWS (2)
  • Azure (1)
  • Django (0)
  • GIT (1)
  • Linux/Unix (149)
  • MYSQL (5)
  • Oracle (395)
  • PHP/MYSQL/Wordpress (10)
  • POSTGRESQL (1)
  • Power-BI (0)
  • Python/PySpark (7)
  • RAC (17)
  • rman-dataguard (26)
  • shell (150)
  • SQL scripts (343)
  • SQL Server (6)
  • Uncategorized (0)
  • Videos (0)

Recent Posts

  • prepfiles.sh for step by step generating pending statistics files10-Mar-2026
  • tracksqltime.sql05-Mar-2026
  • Complete Git Tutorial for Beginners25-Dec-2025
  • Postgres DB user and OS user.25-Dec-2025
  • Trace a SQL session from another session using ORADEBUG30-Sep-2025
  • SQL Server Vs Oracle Architecture difference25-Jul-2025
  • SQL Server: How to see historical transactions25-Jul-2025
  • SQL Server: How to see current transactions or requests25-Jul-2025
  • T-SQL Vs PL/SQL Syntax25-Jul-2025
  • Check SQL Server edition25-Jul-2025

Archives

  • 2026
  • 2025
  • 2024
  • 2023
  • 2010
  • 2009
  • 2008
  • 2007
  • 2006
  • 2005
  • Giving Grant on v$DATABASE Oracle
  • AWR settings- MMON is not taking snapshot. Oracle
  • Day to day MYSQL DBA operations (Compared with Oracle DBA) MYSQL
  • Paste command syntax Linux/Unix
  • Oracle 11g Environment Setup Oracle
  • Debugging Shell FIles Linux/Unix
  • UTL_FILE test program Oracle
  • tuning commmand for cpu, ip and memory stats Linux/Unix

Copyright © 2026 pvmehta.com.

Powered by PressBook News WordPress theme