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Advanced 9 planned topics Databases

Introduction to Oracle

Learn Oracle Database SQL, schemas, and enterprise features. Free Oracle introduction for SQL learners.

Learning Outcomes

  • Query tables in a schema
  • Use joins and group functions
  • Understand sequences and constraints
  • See where PL/SQL fits later

Overview

Oracle Database is an enterprise RDBMS used in large companies for transactional and analytical workloads.

This introduction covers schemas, SQL*Plus-style querying, and how Oracle SQL differs slightly from MySQL.

Interviews may ask sequences, dual, and isolation levels.

What this course will cover

  1. 1. Schemas
  2. 2. SQL basics
  3. 3. Joins
  4. 4. Functions
  5. 5. Constraints
  6. 6. PL/SQL intro

Start a complete tutorial now

Full 6-level lessons are live for C, C++, Java, Python, and JavaScript. Use them while the remaining Oracle lessons are added.

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