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etrics for Reliable Database Replication
Data Replicator
Microsoft SQL
20/2/2025

Key Metrics for Reliable Database Replication

Tomasz Chwasewicz
From .NET to Azure: How Did Microsoft Compete with Oracle Database Over the Years?
Microsoft SQL
Oracle
6/2/2025

From .NET to Azure: How Did Microsoft Compete with Oracle Database Over the Years?

Tomasz Chwasewicz
ORA-00904: Invalid Identifier in Oracle Databases
Oracle
Performance Monitor
3/2/2025

ORA-00904: Invalid Identifier in Oracle Databases

Tomasz Chwasewicz
Database Optimization
Performance Monitor
30/1/2025

Achieve Database Optimization Without Abandoning Normalization

Tomasz Chwasewicz
Database Performance Tuning
Microsoft SQL
Oracle
23/1/2025

Database Performance Tuning – the Sensible Way: Collaborative Strategies, Clear Metrics, and Tested Changes

Tomasz Chwasewicz
ORA-01555
Oracle
16/1/2025

ORA-01555: How to Preserve Undo Data and Keep Queries Consistent

Tomasz Chwasewicz
Performance Monitor 2024.4
Microsoft SQL
Oracle
9/1/2025

Performance Monitor 2024.4: What’s New

Tomasz Chwasewicz
ORA-06512 Explained: Locating PL/SQL Errors the Right Way
Oracle
2/1/2025

ORA-06512 Explained: Locating PL/SQL Errors the Right Way

Tomasz Chwasewicz
Quantum Computing
Security
12/12/2024

The Intersection of Quantum Computing and Database Management

Tomasz Chwasewicz
ORA-12154
Oracle
28/11/2024

ORA-12154: TNS:Could not Resolve the Connect Identifier Specified

Tomasz Chwasewicz
Resigned person in front of a laptop
Microsoft SQL
28/11/2024

SQL Server Databases in Recovery Mode: Proven Solutions and Insights

Tomasz Chwasewicz
Slash Your Cloud Database Bills: Proven Cost Optimization Tactics
Performance Monitor
21/11/2024

Slash Your Cloud Database Bills: Proven Cost Optimization Tactics

Tomasz Chwasewicz
Oracle
Performance Monitor
19/11/2024

Databases in 2025: New Architectures, Smarter AI, and Stronger Security

Tomasz Chwasewicz
DBPLUS PERFORMANCE MONITOR Release 2024.3
Microsoft SQL
Oracle
14/11/2024

DBPLUS Performance Monitor 2024.3: What's new?

Tomasz Chwasewicz
Ora-00600
Oracle
7/11/2024

ORA-00600 Exposed: Understanding and Resolving Oracle’s Internal Error Code

Tomasz Chwasewicz
Database Security in the Era of IoT and Edge Computing
Security
31/10/2024

Database Security in the Age of IoT and Edge Computing

Tomasz Chwasewicz
On-site Database Events to Attend in 2025
Microsoft SQL
Oracle
24/10/2024

Which database conference is worth your time in 2025?

Tomasz Chwasewicz
What is ACID When it Comes to Databases?
Microsoft SQL
Oracle
17/10/2024

On the road to reliable data: What is ACID in the context of databases?

Tomasz Chwasewicz
Oracle vs SQL Server
Microsoft SQL
Oracle
10/10/2024

Oracle vs SQL Server: Which One Wins for Your Business?

Tomasz Chwasewicz
Cybersecurity Mesh Architecture
Security
3/10/2024

Cybersecurity Mesh Architecture and its importance at the end of 2024

Tomasz Chwasewicz
Types of Indexes and When to Use Them
Performance Monitor
26/9/2024

From Cluster to Specialized: Types of SQL Indexes and When to Use Them

Tomasz Chwasewicz
Performance Monitor Changes in Version 2024.2—Part III: OS Stat Page
Microsoft SQL
Oracle
19/9/2024

DBPLUS PERFORMANCE MONITOR: Changes in 2024.2 - Part 3: OS STAT

Tomasz Chwasewicz
10 Good Practices for Database Backups
Microsoft SQL
Oracle
12/9/2024

Database Backups - 10 Best Practices

Tomasz Chwasewicz
Performance Monitor Changes in Version 2024.2—Part I: Grouping
Microsoft SQL
Oracle
5/9/2024

DBPLUS PERFORMANCE MONITOR: Changes in 2024.2 — Part 2: Grouping

Tomasz Chwasewicz
When the Intern Deletes the Entire Database
Security
29/8/2024

When junior deletes the entire database

Tomasz Chwasewicz
The Toughest Performance Challenges of SQL Server
Microsoft SQL
Performance Monitor
28/8/2024

Hardest challenges performance challenges in SQL Server

Tomasz Chwasewicz
That's How Effective Query Monitoring Can Prevent Locks
Microsoft SQL
Performance Monitor
1/8/2024

This is how effective SQL query monitoring can prevent blockages

Tomasz Chwasewicz
PostgreSQL vs SQL Server
Microsoft SQL
PostgreSQL
25/7/2024

Choosing the Database Champion: PostgreSQL vs SQL Server Showdown

Tomasz Chwasewicz
Execution plan changes in SQL server
Microsoft SQL
Performance Monitor
12/7/2024

Change of execution plan in SQL Server: Causes and solutions

Tomasz Chwasewicz
Replication Dichotomy: Logical and Physical Replication
Data Replicator
Microsoft SQL
11/7/2024

Replication Dichotomy: Logical Replication and Physical Replication

Tomasz Chwasewicz
Distributed database
Security
11/7/2024

Breaking Down Distributed Databases: How Do They Work? When to Use Them?

Tomasz Chwasewicz
Domino effect in T10 database on g1rush Server
Microsoft SQL
Oracle
27/6/2024

Domino effect in T10 database on g1rush Server

Tomasz Chwasewicz
PostgreSQL vs Oracle
Oracle
PostgreSQL
13/6/2024

PostgreSQL vs Oracle: Choose the Right Database for Your Needs

Tomasz Chwasewicz
If no one sees problems with the database, then do they really exist? - Unlike the popular philosophical dilemma, this question can be answered quite easily - Absolutely yes. Unseen or unmonitored problems in database systems do happen and can actually cause significant disruption. It does not matter if they are not immediately visible. Database performance parameters are basic indicators of its health. Without monitoring and proactive management, these underlying issues can escalate, leading to performance drops, potential data loss, and even system failure. These by nature require urgent and often comprehensive interventions to remedy them. Database performance parameters cannot be ignored. It just doesn't pay off.
Microsoft SQL
Oracle
6/6/2024

The Most Important Database Performance Metrics

Tomasz Chwasewicz
Oracle Database Issues
Data Replicator
Oracle
30/5/2024

The Toughest Challenges and Problems with Oracle Database

Tomasz Chwasewicz
Blocking due to application problems
Performance Monitor
23/5/2024

Blocking due to application problems: Case Study

Michael Roedeske
Why Oracle changes the execution plan for a query
Oracle
16/5/2024

Why Oracle Changes the Execution Plan for a Query?

Tomasz Chwasewicz
Mistakes Committed by Inexperienced Programmers in Relation to Databases
Oracle
9/5/2024

10 mistakes made by inexperienced programmers (in relation to databases)

Tomasz Chwasewicz
How to speed up the reading of queries from the database?
Oracle
Performance Monitor
6/5/2024

How can you speed up database read queries

Tomasz Chwasewicz
Data Observability
Microsoft SQL
Oracle
25/4/2024

Data Observability — Why do we keep hearing about it?

Tomasz Chwasewicz
Database Activity Monitoring
Security
Microsoft SQL
18/4/2024

How busy was the database today? - Proper monitoring of database activity

Tomasz Chwasewicz
sposób na optymalizację bazy danych Oracle
Oracle
Performance Monitor
11/4/2024

Easy or Difficult Way to Optimize Oracle Database?

Tomasz Chwasewicz
Cloud Databases
Security
4/4/2024

Cloud or not cloud: Pros and cons of cloud databases

Tomasz Chwasewicz
Microsoft SQL
Oracle
4/4/2024

Performance Monitor (Release 2024.1)

Artur Boguszewski
Dokumentacja techniczna
Security
28/3/2024

From Tutorials to AI: Technical Documentation in a Different Light

Tomasz Chwasewicz
Discover the intricacies of the 'IS NULL Condition' in SQL queries and learn effective optimization techniques to boost your database performance. This guide offers insights into overcoming common pitfalls associated with 'IS NULL' and enhancing query efficiency.
Security
20/3/2024

The condition “IS NULL” and “OR” can inhibit you

Tomasz Chwasewicz
The Nightmare of Database Deadlocks
Oracle
Performance Monitor
14/3/2024

The Nightmare of Database Deadlocks

Tomasz Chwasewicz
Change management
Security
7/3/2024

Adapt or disappear: Change management

Tomasz Chwasewicz
Wichtige Faktoren in DevOps-Operationen
Security
Data Replicator
29/2/2024

Solving real problems in real-time: how one company overcame a data problem

Tomasz Chwasewicz
AI in DevOps
Security
22/2/2024

More than code: AI in DevOps - Role and limitations

Tomasz Chwasewicz
Kluczowe czynniki w operacjach DevOps
Security
Performance Monitor
14/2/2024

Key factors in DevOps operations

Tomasz Chwasewicz
Performance Monitor
7/2/2024

In pursuit of performance: Unexpected CPU load - Case Study

Tomasz Chwasewicz
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