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Get online tuition in lessons from Oracle, AWS (Relational Database Service - RDS) and Microsoft Azure database administrators (DBA) for supporting all aspects of database support and delivery from Oracle/Red Hat Linux server administration to Microsoft SQL Server databases for upgrading and patching SQL server from earlier versions to Oracle and SQL Server database High Availability and Disaster Recovery capabilities including Oracle RAC, Oracle Data Guard and Always On Availability Groups, Mirroring and Log Shipping for back-up and recovery of database and process improvements; to handling all database admin activities like database backup and recovery, DB refresh, database sizing, tuning, database security; supporting metadata packages (SSIS) for reporting purposes; advance TSQL development skills, including schema changes, store procedures, functions, triggers, etc. Find Database Management Lessons WFH freelancers on February 22, 2025 who work remotely. Read less
Oracle Corporation, known for its database management systems, through its various training courses, imparts several key principles of database management that are fundamental to working with databases effectively. Here are some of the primary principles taught in Oracle courses:
1. Data Integrity
Explanation: Ensuring the accuracy and consistency of data over its lifecycle.
Oracle Focus:
Constraints: Teaching how to implement constraints like primary keys, foreign keys, unique, check, and not null to maintain data integrity.
Triggers: Using triggers to enforce business rules at the database level.
Transaction Control: Managing transactions to ensure that data remains consistent (ACID properties - Atomicity, Consistency, Isolation, Durability).
2. Normalization
Explanation: A technique to design databases to reduce redundancy and improve data integrity.
Oracle Focus:
Courses teach various normal forms (1NF, 2NF, 3NF, BCNF, etc.) and how to apply them to database design using Oracle tools and SQL.
3. Security
Explanation: Protecting data from unauthorized access and ensuring data privacy.
Oracle Focus:
User Privileges: How to manage roles, privileges, and schemas.
Data Encryption: Implementing encryption both at rest and in transit.
Auditing: Setting up audit trails to track user activities.
4. Performance Tuning
Explanation: Optimizing database queries and system configurations for better performance.
Oracle Focus:
SQL Tuning: Learning how to write efficient SQL queries, use indexes, and analyze query plans.
Database Configuration: Tuning memory structures, I/O operations, and understanding Oracle's performance tools like AWR (Automatic Workload Repository) and ADDM (Automatic Database Diagnostic Monitor).
5. Scalability
Explanation: Ensuring the database can handle growth in data volume and user load.
Oracle Focus:
Partitioning: Techniques for partitioning data to manage and query large datasets more efficiently.
Clustering: Understanding Real Application Clusters (RAC) for high availability and scalability.
6. Backup and Recovery
Explanation: Strategies to safeguard data and recover from failures.
Oracle Focus:
RMAN (Recovery Manager): Comprehensive training on using RMAN for backup, restore, and recovery operations.
Flashback Technology: Learning how to use flashback queries, tables, and databases to recover from logical errors.
7. Concurrency Control
Explanation: Managing simultaneous operations without conflict.
Oracle Focus:
Locking Mechanisms: Teaching about locking strategies to prevent data inconsistencies in multi-user environments.
Transaction Isolation: Understanding different levels of isolation and their implications on data consistency and performance.
8. Database Design
Explanation: Planning and organizing the structure of the database for optimal use.
Oracle Focus:
Entity-Relationship Modeling: Teaching how to model data using ER diagrams and convert these into relational schemas.
Data Modeling Tools: Using Oracle's data modeling tools like SQL Developer Data Modeler.
9. Data Warehousing and Business Intelligence
Explanation: Managing and analyzing large volumes of data for decision-making.
Oracle Focus:
Dimensional Modeling: Techniques for designing data warehouses.
ETL Processes: Extract, Transform, Load operations using Oracle Data Integrator or SQL.
10. Cloud and Database as a Service (DBaaS)
Explanation: Leveraging cloud technologies for database management.
Oracle Focus:
Oracle Cloud Infrastructure (OCI): Managing databases in the cloud, understanding Autonomous Database offerings, and how to migrate and operate databases in cloud environments.
11. Monitoring and Maintenance
Explanation: Ongoing care of the database to ensure its health and performance.
Oracle Focus:
Database Monitoring: Using Enterprise Manager or other tools for real-time monitoring of database health.
Routine Maintenance: Learning about regular maintenance tasks like statistics gathering, index rebuilding, and space management.
These principles ensure that database administrators can manage, optimize, secure, and scale databases effectively, aligning with best practices in the industry. Oracle's courses provide both theoretical knowledge and practical skills through labs and certifications, preparing individuals for the complexities of real-world database management.
