SQL Developer
SQL Developer is a tool for connecting to an Oracle database (or, in fact, some non-Oracle databases too) and issuing ad hoc SQL commands.
Comprehensive Guide to SQL*Plus on Linux and Windows
Learn how to use SQLPlus on Linux and Windows. Configure environment variables, launch SQLPlus, and connect to Oracle databases with ease.
Oracle Packages vs Procedures: Advantages of Using Packages
Understand the key advantages of Oracle packages over standalone procedures. Learn how packages promote modularity, encapsulation, and better coding practices.
Anonymous PL/SQL Blocks vs Stored Procedures: Key Differences
Understand the differences between anonymous PL/SQL blocks and stored procedures in Oracle. Learn when to use each and how they impact performance.
How to Update Host Name in Oracle XE Configuration Files
Learn how to manually update the hostname in Oracle XE after a system name change. Fix listener errors with step-by-step instructions.
Find Duplicate Values in Oracle Table with a Simple SQL Query
Learn how to find duplicate values in an Oracle table using a simple SQL query. Discover how to group and count duplicates in just a few
Oracle Query to List Users and Their Status
Learn how to query the list of Oracle users and their account status using a simple SQL statement. Quickly check user information and access levels.
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With over 18 years of experience in software architecture, Java technologies, and leadership, I specialize in crafting scalable, future-proof solutions for global organizations. Whether it’s transforming legacy systems, building cutting-edge cloud-native applications, or mentoring teams to excel, I’m committed to delivering value-driven results.