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LESSON 1 – 1: Review of Basic SQL and history of SQL:

Intro to the class
History of SQL
Evolution of SQL

Exercise – declarative SQL

Review of pubs database

SQL constructs:

  • Select
  • Project
  • Join

Describing Oracle tables

Exercise – investigate the pubs database

Restricting row returns
Where clause

Exercise – write a sample query in the pubs database

Complex Boolean logic in SQL
ROWID restrictions

Exercise – write a sample query in the pubs database

LESSON 1-2: Entity/relation modeling

Types of data relationships
Data normalization

One-to-many relationships
One-to-many relationships
Many-to-many relationships
Recursive many-to-many relationships

LESSON 1-3: Optimizing Oracle SQL


Steps in SQL optimization
Parsing a SQL statement
First_rows vs all_rows optimization
Oracle optimizer overview
Management issues with system-wide optimization
Different modes of SQL optimization
Bi-modal databases
Rule-based optimization
Cost-based optimization
All rows optimization
First_rows optimization

Exercise – display and change optimizer_mode

SQL Semantic Analysis
Generating the execution plan
Using optimizer plan stability
Using the v$sql view
Using the v$sql_plan view

Exercise – Query the library cache

LESSON 1 – 4: Using SQL*Plus

Creating basic reports
Exercise – format a simple query in the pubs database

Using the set commands
Adjusting line output
Setting pagesize and linesize

Exercise – set the SQL*plus environment

Column wrapping
Exercise – add column statements

Creating breaks and summaries
Exercise – add breaks and summaries

Adding prompts to queries
Exercise – parameterize a SQL*Plus script


1-5: Explain plan and reading execution plans

  • Explain plan
    •         Oracle autotrace
    •         How to read an execution plan

1 – 6: altering SQL execution plans

Using hints

Joining Oracle tables

2-1 – Table joining internals

Sort-merge joins

Nested Loop joins

Hash joins

STAR joins

Bitmap joins

Exercise – Change table join techniques & evaluate performance

Exercise – write an equi-join

Outer join
Exercise – write an outer join

Hiding joins by creating views
Exercise – create a view of a join

 LESSON 2 – 5 :Subqueries

  • Subqueries

Exercise – write a subquery

  • Correlated subquery
  • Non-correlated subqueries

Advanced SQL operators

  • Between operator
  • IN and NOT In operators
  • Sub-queries
  • EXISTS clause
  • Using wildcards in queries (LIKE operator)

SQL access methods

  • Review of Basic joining methods
  • Merge join
  • Hash Join
  • Nested Loop join
  • Advanced SQL operators
  • Between operator
  • SQL Tuning

3-1 – DML and SQL Tuning

Writing and optimizing INSERT statements

Writing and optimizing DELETE statements

Writing and optimizing UPDATE statements

3-2 – Optimizer Statistics

Purpose of statistics

Types of statistics (table, column, system)

Histogram statistics

Dynamic sampling

using dbms_stats

Exporting/importing statistics

Statistics management

Exercise – gather system stats

1-6 – SQL Tuning and full-table scans

Basics of file I/O

Sequential reads vs. scattered reads

When full scans are best

RAM caching in the SGA

Automating table caching

Solid State Disks

Tracking full-scans over time with AWR

Exercise – Query v$sql

1 – 3: Aggregation IN sql

Aggregation in SQL

  • Count(*)
  • Sum
  • Avg
  • Min and max
  • Using the group by clause

PL/SQL Section

  1. Basics of PL/SQL
  • PL/SQL architecture
  • PL/SQL and SQL*Plus
  • PL/SQL Basics
  • Introduction to PL/SQL
  • PL/SQL as a 4th generation language
  • Compiling vs. Interpreting
  • Declare statement
  • Exercise: Write “hello” world PL/SQL program

Using PL/SQL Variables
PL/SQL Constants
PL/SQL Datatypes
Error messages – user_errors and show errors
PL/SQL wrapper utility

  1. PL/SQL structures
  • Simple blocks
  • Control structures
  • PL/SQL records
  • Recognizing the Basic PL/SQL Block and Its Sections
  • Describing the Significance of Variables in PL/SQL
  • Distinguishing Between PL/SQL and Non-PL/SQL Variables
  • Declaring Variables and Constants
  • Executing a PL/SQL Block
  1. Error checking – exception handling
  • Defining exceptions
  • Using the when others clause
  • Ensuring complete error checking
  • Passing error messages to calling routine
  1. Boolean logic in PL/SQL
  • Identifying the Uses and Types of Control Structures
  • Constructing an IF Statement
  • Constructing and Identifying Different Loop Statements
  • Controlling Block Flow Using Nested Loops and Labels
  • Using Logic Tables
  • If-then-else structure
  • Testing for numbers characters and Booleans
  1. Cursors in PL/SQL
  • Cursor basics
  • Using a cursor for a multi-row SQL query
  1. Iteration in PL/SQL
  • For loop
  • While loop
  1. PL/SQL tables
  • Defining PL/SQL tables
  • Reasons to use PL/SQL tables
  • Populating a PL/SQL table
  • Retrieving from a PL/SQL table
  1. Dynamic SQL in PL/SQL
  • Introduction to the dbms_sql package
  • Creating a dynamic SQL statement
  1. Nested blocks in PL/SQL
  • Creating nested blocks
  • Understanding scope in nested blocks
  1. Triggers in PL/SQL
  • Triggers and database events
  • Defining a trigger
  • Timing a trigger
  • Enabling and disabling a trigger
  1. Stored procedures, functions and packages
  • Basics of stored procedures
  • Basics of functions
  • Basics of packages
  • Defining stored procedures & functions
  • Function and stored procedures prototypes
  • Passing arguments to functions and stored procedures
  • Recompiling functions and stored procedures
  • Pinning packages in the SGA with dbms_shared_pool.keep
  • Package forward declaration
  • Package dependency
  • Package overloading
  • Listing package information
  1. Bulking in PL/SQL
  • Bulk queries
  • Bulk DML (forall statement)
  • Using cursor attributes

Analyzing impact of bilk operations

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