Course Outline

Relational Database Management System (RDBMS)

Relational Operators

SQL as a Declarative Language

SQL Syntax

SQL Sublanguages: DQL, DML, DDL, DCL

Detailed Overview of DQL (Data Query Language)

  • SELECT Clause
  • Column Aliases
  • Table Aliases
  • Date Types and Date Functions
  • Group Functions
  • Table Joins
  • JOIN Clause
  • UNION Operator
  • Nested Queries
  • Correlated Subqueries

Overview of DML (Data Manipulation Language)

  • Inserting Rows (INSERT)
  • Inserting Rows Using a Subquery
  • Updating Rows (UPDATE)
  • Deleting Rows (DELETE)

Overview of DDL (Data Definition Language)

  • Creating, Altering, and Dropping Objects (CREATE, ALTER, DROP)
  • Creating Tables Using a Subquery (CREATE TABLE ... AS SELECT ...)

Overview of Constraints

  • NULL and NOT NULL
  • CONSTRAINT Clause
  • ENUM Type
  • SET Type
  • PRIMARY KEY
  • UNIQUE
  • FOREIGN KEY
  • DEFAULT Clause

Overview of Transactions

  • COMMIT
  • ROLLBACK
  • SAVEPOINT
  • Implicit and Explicit Rollbacks and Commits

Overview of SQL Dialects for Government Use

  • MySQL
  • Microsoft Access and SQL Server
  • Oracle and PostgreSQL

Requirements

Essential computer competencies for government employees include proficiency with standard software applications and digital tools necessary to perform daily tasks efficiently. These skills ensure effective communication, data management, and compliance with cybersecurity standards in a public sector environment.
 14 Hours

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