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Mastering SQL JOINs in Oracle: INNER, OUTER, and SELF JOIN Explained with Diagrams

When working with Oracle Database, it's very common to retrieve information from multiple tables. The SQL JOIN clause al...
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How to Connect Remotely Using OracleNet

When you start using Oracle Database, one of the first questions you'll face is “how do I connect to the database?”. In ...
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Complete Guide to Oracle Transaction Control

Understanding COMMIT, ROLLBACK, and SAVEPOINT for BeginnersIn Oracle Database, transaction control is a critical concept...
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A Complete Guide to Creating Tables in Oracle Database [CREATE TABLE Explained]

Creating tables is one of the most fundamental skills when working with Oracle Database.This article provides a thorough...
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Introduction to Oracle Database: What is a Sample Schema? How to Set Up a Learning Environment Using the SCOTT Schema

When learning Oracle Database, one of the most effective approaches is hands-on practice using a sample schema.This arti...
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Introduction to Oracle SQL: Basic SELECT Statements with SCOTT Schema

The SELECT statement is the foundation of SQL and the first command you'll use when working with an Oracle Database.In t...
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Complete Guide to Starting and Stopping Oracle Database (Single Instance)

― Understand the Shutdown Modes in Depth ―Starting and stopping Oracle Database correctly is a fundamental operation in ...
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Beginner’s Guide to Oracle Database [With Diagrams]

Oracle Database is one of the world’s most trusted relational database management systems (RDBMS), widely adopted by ent...
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Beginner’s Guide to Oracle Tablespaces

When you step into the world of Oracle databases, one of the first key concepts to understand is “Tablespaces.” This beg...
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Understanding the SYSTEM and SYSAUX Tablespaces in Oracle Database

Understanding SYSTEM and SYSAUX tablespaces is essential for proper Oracle Database administration. These are the “heart...