database

Query to Identify Initial and Latest Login Sessions in Oracle Database

Please use the query below to identify and provide the SID and Serial#.   col first_seen for a30 col last_seen for a30 SELECT MIN(sample_time) AS first_seen, MAX(sample_time) AS last_seen FROM…

Read More

What Happens When You Corrupt the Wrong Block: Lessons from Oracle 26ai’s Transaction Quarantine

Introduction  I run a single-instance Oracle AI Database 26ai lab on my own VM, and I keep a running list of new features I want to actually get my hands…

Read More

Oracle Data Guard Setup in Oracle 23ai Migrating from Non-CDB (Primary) to CDB (Standby)

Introduction This document explains how to configure a normal Oracle Data Guard physical standby in Oracle Database 23ai, where the primary database is a Non-CDB and the standby database is…

Read More

How To Export Data Using Select Query In MYSQL

Introduction Exporting data using a SELECT query in MySQL is a common practice to extract specific data from a database and save it in a usable format. This allows users…

Read More

How To Generate Dynamic Numbers in MYSQL

Introduction: Generating dynamic numbers in MySQL involves creating a sequence of numbers or generating numbers dynamically in queries. This is useful in various scenarios, such as creating IDs, generating row…

Read More

SQL Server Indexes: The Ultimate GPS for Your Data Journey

We all have noticed how some SQL Server queries feel like a luxury express train, zooming to their destination, while others resemble a sluggish car through traffic jams?

Read More

Using INCLUDE & EXCLUDE parameters together in Data Pump – Oracle 21c

A new enhancement in Oracle Database version 21c is saving a lot if effort in Data pump activities. In the earlier versions of Oracle using the INCLUDE and EXCLUDE parameters…

Read More

Unveiling Oracle 23c: The Game-Changing Features Revolutionizing Database Management

Exploring the New Features in Oracle 23c: What You Need to Know Oracle’s latest release, Oracle 23c, brings a suite of new features and enhancements designed to improve database management,…

Read More

Outline of the Oracle Autonomous Health Framework (AHF)

Introduction In today’s fast-paced digital landscape, maintaining the health and performance of your Oracle databases is critical. The Oracle Autonomous Health Framework (AHF) is your go-to suite of tools for…

Read More

Launching TimescaleDB Timeseries Database in Docker Containers

TimescaleDB, is a revolutionary open-source database engineered specifically for time-series data. Built on the robust foundation of PostgreSQL, TimescaleDB combines the reliability and versatility of traditional relational databases with the…

Read More