Introduction to SQL Programming Basics (TTSQL002)

Course Objectives

Course Prerequisites

Audience & Pre-Requisites

• Basic Computer Literacy: Familiarity with operating systems, file management, and general computer navigation to ensure a smooth transition into learning SQL tools and environments.
• Understanding of Fundamental Data Concepts: A grasp of basic data concepts like tables, records, and fields would aid in understanding relational databases and how SQL operates within them.
• Basic technical background: Although specific prior scripting experience isn’t required to attend, we recommend that you have a background in IT or other technical topics or skills

Related Courses | SQL Training Suite

• TTSQL002      SQL Programming Basics – 3 days
• TTSQL003      Writing SQL Queries – 3 days
• TTSQL005      Advanced SQL Programming – 2 days

Course Agenda

1. Basic RDBMS Principles

• Relational design principles
• Accessing data through a structured query language
• Entity relationship diagrams
• Data Domains
• Null values
• Indexes
• Views
• Denormalization
• Data Model Review

2. The SQL Language and Tools

• Using SQL*Plus

• Why Use SQL*Plus When Other Tools Are Available?
• Starting SQL*Plus
• EZConnect
• SQL Commands   
• PL/SQL Commands
• SQL*Plus Commands

• The COLUMN Command

• The HEADING Clause
• The FORMAT Clause
• The NOPRINT Clause
• The NULL Clause
• The CLEAR Clause

• Predefined define variables
• LOGIN.SQL
• Command history
• Copy and paste in SQL*Plus
• Entering SQL commands
• Entering PL/SQL commands
• Entering SQL*Plus commands
• Default output from SQL*Plus
• Entering Queries
• What about PL/SQL?

3. Using SQL Developer

• Choosing a SQL Developer version
• Configuring connections

• Creating A Basic Connection
• Creating A TNS Connection
• Connecting

• Configuring preferences
• Using SQL Developer

• The Columns Tab
• The Data Tab
• The Constraints Tab
• The Grants Tab
• The Statistics Tab
• Other Tabs
• Queries In SQL Developer
• Query Builder
• Accessing Objects Owned By Other Users
• The Actions Pulldown Menu

• Differences between SQL Developer and SQL*Plus

• Reporting Commands Missing In SQL Developer
• General Commands Missing In SQL Developer

• Data Dictionary report
• User Defined reports
• Using scripts in SQL Developer

4. SQL Query Basics

• Understanding the data dictionary

• Exporting Key Data Dictionary Information

• The Dictionary View
• Components of a SELECT Statement      

• The SELECT Clause
• The FROM Clause
• The WHERE Clause
• The GROUP BY Clause
• The HAVING Clause
• The ORDER BY Clause
• The START WITH And CONNECT BY Clauses
• The FOR UPDATE Clause
• Set Operators

• Column Aliases
• Fully Qualifying Tables and Columns
• Table Aliases
• Using DISTINCT and ALL in SELECT statements

5. WHERE and ORDER BY

• WHERE clause basics
• Comparison operators
• Literals and Constants in SQL
• Simple pattern matching
• Logical operations
• The DUAL table
• Arithmetic operations
• Expressions in SQL
• Character operators
• Pseudo columns
• Order by clause basics
• Ordering Nulls
• Accent and case sensitive sorts
• Sampling data
• WHERE and ORDER BY in SQL Developer
• All, Any, Some

6. Functions

• The basics of functions
• Number functions
• Character functions
• Date functions
• Conversion functions
• Other functions
• Large object functions
• Error functions
• The RR format mode;
• Leveraging your knowledge

7. ANSI 92 JOINS

• Basics of ANSI 92 Joins
• Using Query Builder with multiple tables
• Table Aliases
• Outer joins

• Outer Joins In Query Builder

• Set operators
• Self-referential joins
• Non-Equijoins

8. ANSI 99 Joins

• Changes with ANSI99
• CROSS Join
• NATURAL Join
• JOIN USING
• JOIN ON
• LEFT / RIGHT OUTER JOIN
• FULL OUTER JOIN

9. GROUP BY and HAVING

• Introduction to GROUP functions Limiting Rows

• Including NULL
• Using DISTINCT With Group Functions

• GROUP function requirements
• The HAVING clause
• Other GROUP function rules
• Using Query Builder with GROUP clauses
• ROLLUP and CUBE
• The Grouping function
• Grouping Sets

10. Subqueries

• Why use subqueries?
• WHERE clause subqueries
• FROM clause subqueries
• HAVING clause subqueries
• CORRELATED subqueries
• SCALAR subqueries
• DML and subqueries  
• EXISTS subqueries      
• Hierarchical queries   
• TOP N AND BOTTOM N queries
• Creating subqueries using Query Builder

11. Regular Expressions

• Available Regular Expressions
• Regular Expression Operators
• Character Classes
• Pattern matching options
• REGEX_LIKE
• REGEXP_SUBSTR
• REGEXP_INSTR
• REGEXP_REPLACE
• REGEXP_COUNT

12. Analytics

• The WITH clause
• Reporting aggregate functions
• Analytical functions
• User-Defined bucket histograms
• The MODEL clause
• PIVOT and UNPIVOT
• Temporal validity

13. More Analytics

• RANKING functions
• RANK
• DENSE_RANK
• CUME_DIST
• PERCENT_RANK           
• ROW_NUMBER            
• Windowing aggregate functions
• RATIO_TO_REPORT
• LAG / LEAD
• Linear Regression functions
• Inverse Percentile functions
• Hypothetical ranking functions
• Pattern Matching

Course Materials

All applicable course software, digital courseware files or course notes, labs, data sets and solutions, live coaching support channels and rich extended learning and post training resources are provided for you in our “easy access, no install required” online Learning Experience Platform (LXP), remote lab and content environment. Access periods vary by course. We’ll collaborate with you to ensure your team is set up and ready to go well in advance of the class. Please inquire about set up details and options for your specific course of interest.