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Course Outline
Relational Database Models
- Understanding the structure of a relational database
- Overview of relational operators
Retrieving Data
- Key rules for writing SQL queries
- Syntax of the SELECT statement
- Selecting all columns
- Performing queries with arithmetic operations
- Creating column aliases
- Understanding literals
- String concatenation
Restricting Results
- Using the WHERE clause
- Applying comparison operators
- Utilizing the LIKE condition
- Using the BETWEEN ... AND condition
- Applying the IS NULL condition
- Using the IN condition
- Employing logical operators
- Combining multiple conditions in the WHERE clause
- Understanding operator precedence
- Using the DISTINCT clause
Sorting Data
- Using the ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Understanding differences between single-row and multi-row (aggregate) functions
- Working with text, numeric, and date functions
- Using conversion functions
- Nesting functions
- Handling NULL values
Aggregating Data Using Grouping Functions
- Overview of grouping functions
- How grouping functions treat NULL values
- Creating data groups using the GROUP BY clause
- Grouping by multiple columns
- Filtering grouped results using the HAVING clause
Retrieving Data from Multiple Tables
- Types of joins
- Using table aliases
- Implementing joins within the WHERE clause
- Understanding INNER JOIN
- Understanding OUTER JOINs (LEFT and RIGHT)
- Understanding Cartesian products
Subqueries
- Incorporating subqueries within the SELECT command
- Using single-row and multi-row subqueries
- Operators for single-row subqueries
- Operators for multi-row subqueries (IN, ALL, ANY)
Set Operators
- Using the UNION operator
- Using the INTERSECT operator
- Using the EXCEPT operator
Inserting, Updating, and Deleting Data
- Using the INSERT command
- Using the UPDATE command
- Using the DELETE command
Transactions
Requirements
- Basic computer literacy
- Knowledge of at least one operating system
14 Hours
Testimonials (3)
personalised to our understanding and data
Vincent Long - ASSMANG PTY LTD
Course - Business Intelligence with SSAS
It was very interactive and it kept us interested.
Raluca Alexandra PUNGA
Course - SQL Fundamentals
Small group, in-person for 3 days,
