Advanced Oracle SQL Queries

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Course Outline

This Oracle SQL training class helps students master SQL using an Oracle database and prepares students for a PL/SQL course. Note that this course covers SQL, not PL/SQL.

  1. Users and Schemas
    1. Introduction to Users and Schemas
      1. Definitions and Client Tools
      2. SQL Developer Login
    2. About the HR Schema
      1. Sample Schemas
      2. HR Schema Entities
    3. Creating An Application Schema
    4. Exercise: Create a User
  2. Pseudo Columns & Functions
    1. Using The Dual Table
    2. Functions
    3. Exercise: Use the SYSCONTEXT function
    4. Pseudo-Columns
    5. Using Rowid
    6. Using Rownum
    7. Exercise: Use ROWNUM
  3. Using Subqueries
    1. Simple Subqueries
      1. Definition
      2. Nested Subquery
    2. Inline Views
      1. Subquery in the HAVING clause
    3. Correlated Subqueries
    4. Scalar Subquery
    5. Exercise: Subqueries
  4. Joining Tables
    1. Review of Joins
    2. Equijoins
      1. Inner Joins
      2. Outer Joins
    3. Cross Joins
    4. Reflexive Join
    5. Non-Key Join
    6. Natural Joins
    7. Semijoins and Antijoins
    8. Using Named Subqueries
    9. Exercise: Join Exercises
  5. Rollup & Cube
    1. About Group Processing
    2. EMP_DETAILS_VIEW
    3. Simple GROUP BY
    4. ROLLUP Function
    5. GROUPING Function
    6. Using Cube
    7. Exercise: Practice GROUP BY, ROLLUP and CUBE
  6. Using Set Operators
    1. Set Operators Defined
    2. Relationship to Mathematical Set Theory
    3. Restrictions on Set Operators
    4. Exercise: Set Operators Exercise
  7. Conditional Processing
    1. The DECODE Function
    2. The Case Expression
    3. Exercise: Conditional Processing
  8. SQL Functions (Character)
    1. What Are SQL Functions?
    2. Character Functions
      1. CONCAT
      2. LENGTH
      3. INSTR
      4. REPLACE
      5. UPPER
      6. LOWER
      7. INITICAP
      8. LPAD
      9. RPAD
      10. TRIM
      11. TO_CHAR
      12. SOUNDEX
    3. Regular Expressions
    4. Exercise: Character Functions
  9. SQL Functions (Non-Character)
    1. Numeric Functions
      1. The TO_CHAR Function with numbers
    2. Date/Time Functions
    3. Date Format Functions
    4. Date Arithmetic Functions
    5. Null Value Functions
    6. Exercise: SQL Non-Character Functions
  10. SQL Data Manipulation Language
    1. The INSERT Statement
      1. INSERT Statement Categories
    2. The UPDATE Statement
    3. The DELETE Statement
    4. Transactions
    5. Complex Table References
    6. The MERGE statement
    7. Exercise: Data Manipulation Language (DDL)

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