Course Outline

Limiting Results for Government

  • The WHERE Clause
  • Comparison Operators
  • LIKE Condition
  • BETWEEN ... AND Prerequisite
  • IS NULL Condition
  • IN Condition
  • Boolean Operators AND, OR, and NOT
  • Multiple Conditions in the WHERE Clause
  • Operator Precedence
  • DISTINCT Clause

SQL Functions for Government

  • Differences Between Single-Row and Multi-Row Functions
  • Text, Numeric, and Date Functions
  • Explicit and Implicit Conversion
  • Conversion Functions
  • Nesting Functions
  • Function Performance - Dual Table
  • Current Date Function SYSDATE
  • Handling NULL Values

Aggregating Data Using Grouping Functions for Government

  • Grouping Functions
  • Treatment of NULL Values in Grouping Functions
  • Creating Groups of Data - GROUP BY Clause
  • Grouping Multiple Columns
  • Limiting Group Function Results - HAVING Clause

Subqueries for Government

  • Placing Subqueries in the SELECT Command
  • Single-Row and Multi-Row Subqueries
  • Single-Row Subquery Operators
  • Grouping Features in Subqueries
  • Multi-Row Subquery Operators IN, ALL, ANY
  • Treatment of NULL Values in Subqueries

Collective Operators for Government

  • UNION Operator
  • UNION ALL Operator
  • INTERSECT Operator
  • MINUS Operator

Further Usage of Joins for Government

  • Revisiting Joins
  • Combining Inner and Outer Joins
  • Partitioned Outer Joins
  • Hierarchical Queries

Further Usage of Sub-Queries for Government

  • Revisiting Sub-Queries
  • Using Sub-Queries as Virtual Tables/Inline Views and Columns
  • Using the WITH Clause
  • Combining Sub-Queries and Joins

Analytic Functions for Government

  • OVER Clause
  • Partition Clause
  • Windowing Clause
  • Rank, Lead, Lag, First, Last Functions

Retrieving Data from Multiple Tables (if Time at End) for Government

  • Types of Joins
  • Using NATURAL JOIN
  • Table Aliases
  • Joins in the WHERE Clause
  • INNER JOIN
  • Outer Joins LEFT, RIGHT, FULL OUTER JOIN
  • Cartesian Product

Aggregate Functions (if Time at End) for Government

  • Revisiting Group By Function and Having Clause
  • GROUP BY and ROLLUP
  • GROUP BY and CUBE

Requirements

Recommended participation in the "Oracle SQL for Beginners" training course for government personnel.

 14 Hours

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