Understanding Association, Aggregation, and Composition in UML Class Diagrams
Explore the differences between Association, Aggregation, and Composition in UML class diagrams. Learn how and when to use each relationship type effectively.
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How to Link Java Classes to UML Class Diagrams in JDeveloper
Learn how to link Java classes to UML class diagrams in JDeveloper and establish a bi-directional relationship. Generate classes directly from UML diagrams with this step-by-step
Fix JDeveloper Crashing Issue: Step-by-Step Solution
Resolve JDeveloper crashing and hanging issues with this step-by-step guide. Learn how to fix and restore your IDE quickly and effectively.
Understanding UNIQUE Constraints and NULL Values in Oracle
Learn how Oracle handles UNIQUE constraints with NULL values, including single-column and composite constraints. Explore behavior and examples.
How to Resolve ORA-01033: ORACLE Initialization or Shutdown in Progress
Learn how to resolve the ORA-01033 error in Oracle. A step-by-step guide to troubleshoot and fix initialization or shutdown-in-progress issues.
How to Kill a Specific Connection in Oracle Database
Learn how to identify and terminate specific user sessions in Oracle. Use ALTER SYSTEM commands to safely disconnect or kill unwanted connections.
How to List Active and Open Connections in Oracle
Learn how to identify active user sessions and open connections in Oracle. Use this SQL query to monitor user activity before performing database operations.
How to Retrieve Table Space Name for a Specific User or Table in Oracle
Learn how to retrieve the table space name for a specific user or table in Oracle databases using simple SQL queries.
How to Retrieve Constraints and Their Attributes in Oracle Database
Learn how to retrieve constraints and their attributes in Oracle 11g. Find primary keys, foreign keys, reference tables, and more using SQL queries.
Retrieve the Total Row Count for Each Table in an Oracle Schema
Learn how to retrieve total row counts for all tables in an Oracle schema. Use efficient SQL queries and DBMS_XMLGEN for accurate results.
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.