Class overview :

Class goals :

– Learn to create Users and Schemas.
– Learn to use pseudo-columns and functions.
– Learn to write simple and correlated subqueries.
– Learn to write simple and complex joins.
– Learn to use ROLLUP and CUBE.
– Learn to use SET operators.
– Learn to use character and non-character SQL functions.
– Learn to write INSERT, UPDATE, and DELETE statements.
– Learn to create tables.
– Learn to use keys and constraints to protect data integrity.
– Learn to use views, indexes, sequences, and synonyms.

Content of Training Oracle SQL Queries / Advanced

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)