Course Outline

Getting Started with the Oracle Database for Government

  • Database Architecture and Sessions
  • Relational Model of the Database
  • Users and Schemas
  • Tools for Database Management

Introduction to the SELECT Statement

  • Projection and Selection Techniques
  • Data Sorting Methods
  • Operators and NULL Handling
  • Query Lexical Parameters (& and &&)
  • Limiting Record Retrieval (ROWNUM, FETCH, SAMPLE)
  • Built-in Functions and Function Nesting
  • Type Conversions in SQL
  • Enumeration Functions for Data Manipulation

Handling Time and Regional Settings

  • Date Operations and Management
  • Local National and Regional Settings in SQL

Grouping and Aggregation Techniques

  • Grouping Functions for Data Analysis
  • DISTINCT Clause Usage
  • GROUP BY and HAVING Clauses for Data Filtering

Retrieving Data from Multiple Tables

  • Cross, Inner, and Outer Joins (Cross, Inner, Outer)
  • Unusual Forms of Joins (SELF, NATURAL, NONEQUAL)
  • Collective Operators (UNION, UNION ALL, INTERSECT, MINUS)

Subqueries for Government Applications

  • Simple Subqueries for Data Extraction
  • Correlated Subqueries for Complex Queries
  • EXISTS and NOT EXISTS Operators for Conditional Logic
  • Other Types of Subqueries (FROM, WITH, Scalar)

Appendix A - Joins Using Oracle's Native SQL Syntax

Appendix B - Tables, Integrity Constraints, and Views for Government

  • Table Management (CREATE, ALTER, DROP, RENAME)
  • Integrity Constraints (CONSTRAINTS) for Data Consistency
  • Use of Views in Data Analysis for Enhanced Insights


Suggested Follow-up Training Courses
ORA_SA2, ORA_SA3

Requirements

A solid understanding of IT issues and concepts related to databases, as well as the ability to operate a computer effectively for government tasks.

 21 Hours

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