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Oracle

Information Technology > Database management system

Description

Oracle skills encompass a wide range of technical abilities related to Oracle Database, a popular relational database management system. These skills start from understanding basic Oracle concepts and SQL queries to creating and managing tables. As proficiency increases, one learns advanced SQL queries, performance tuning, and backup techniques. Advanced users can design databases, implement Oracle Real Application Clusters (RAC), and use Oracle Data Guard. Experts master the Oracle Exadata Machine, Oracle GoldenGate for real-time data integration, and Oracle Enterprise Manager for database management. Each level of proficiency requires a deeper understanding of Oracle's complex systems and tools, enabling efficient and secure data management.

Expected Behaviors

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LEVEL 1

Fundamental Awareness

At this level, individuals have a basic understanding of Oracle databases. They are familiar with the concepts and architecture of Oracle, know the basics of SQL, and understand the different data types used in Oracle. However, their knowledge is mostly theoretical and they may not have much practical experience.

🌱
LEVEL 2

Novice

Novices can perform basic operations in Oracle such as creating and managing tables and writing simple queries. They have an understanding of Oracle's security features and can use the data dictionary. However, their skills are still limited and they may need guidance for more complex tasks.

🌍
LEVEL 3

Intermediate

Individuals at the intermediate level have a good grasp of Oracle and can write advanced SQL queries. They can implement indexes and sequences and are familiar with backup and recovery techniques. They also have some understanding of performance tuning in Oracle.

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LEVEL 4

Advanced

Advanced users have a deep understanding of Oracle and can program in PL/SQL. They can design and implement Oracle databases and have experience with Real Application Clusters (RAC) and Data Guard. They are capable of handling most tasks independently.

🏆
LEVEL 5

Expert

Experts have mastered Oracle and its associated technologies. They have a deep understanding of the Exadata Machine, GoldenGate for real-time data integration, Advanced Security Options, and Enterprise Manager for database management. They can handle any task, no matter how complex, and can provide guidance to others.

Micro Skills

✎
LEVEL 1

Fundamental Awareness

Understanding of RDBMS Concepts
Awareness of Oracle RDBMS Features
Knowledge of Oracle Database Files
Understanding of Oracle Schemas
Understanding of Oracle Tables
Knowledge of Oracle Views
Understanding of SELECT Statement
Knowledge of INSERT Statement
Understanding of UPDATE Statement
Knowledge of SQL Operators
Understanding of SQL Functions
Understanding of INSERT Command
Understanding of UPDATE Command
Understanding of DELETE Command
Knowledge of Oracle Instance
Understanding of Oracle Database
Understanding of System Global Area (SGA)
Knowledge of Program Global Area (PGA)
Understanding of User Processes
Knowledge of Oracle Threads
🌱
LEVEL 2

Novice

Knowledge of DDL Commands
Understanding of CREATE TABLE Statement
Understanding of ALTER TABLE Statement
Understanding of DROP TABLE Statement
Understanding of TRUNCATE TABLE Statement
Knowledge of SELECT Clause
Understanding of WHERE Clause
Understanding of ORDER BY Clause
Understanding of GROUP BY Clause
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LEVEL 3

Intermediate

Understanding of Inner Joins
Proficiency in Outer Joins
Experience with Self Joins
Knowledge of Cross Joins
Ability to Write Single-Row Subqueries
Experience with Multi-Row Subqueries
Proficiency in Correlated Subqueries
Knowledge of Nested Queries
Understanding of SUM Function
Ability to Use COUNT Function
Experience with AVG Function
Knowledge of MAX and MIN Functions
Understanding of RANK Function
Ability to Use ROW_NUMBER Function
Experience with LAG and LEAD Functions
Knowledge of FIRST_VALUE and LAST_VALUE Functions
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LEVEL 4

Advanced

Understanding of Procedure Structure
Proficiency in Procedure Debugging
Knowledge of Trigger Types
Experience with Trigger Management
Understanding of Exception Types
Ability to Implement Exception Handlers
Understanding of Collection Types
Proficiency in Record Management
Understanding of Normal Forms
Ability to Normalize Databases
Knowledge of Entity-Relationship Model
Proficiency in Data Model Implementation
Understanding of Partitioning Types
Ability to Manage Partitions
Knowledge of Tablespaces and Data Files
Proficiency in Managing Segments, Extents, and Blocks
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LEVEL 5

Expert

Knowledge of Exadata Hardware Components
Understanding of Exadata Software Components
Ability to Manage Cell Disks and Grid Disks
Experience with Cell Monitoring and Maintenance
Understanding of GoldenGate Topologies
Experience with GoldenGate Commands
Knowledge of DDL Replication
Familiarity with Conflict Detection and Resolution
Understanding of Database Vault Components
Experience with Database Vault Administration
Understanding of TDE Concepts
Ability to Implement TDE
Knowledge of OLS Policies
Familiarity with OLS Labels
Understanding of OEMCC Architecture
Experience with OEMCC Deployment

Skill Overview

  • Expert5 years experience
  • Micro-skills77
  • Roles requiring skill0

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