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Course Outline
Relational database models
- Understanding the structure of a relational database
- Overview of relational operators
Retrieving Data
- Essential rules for writing SQL queries
- Syntax of the SELECT statement
- Selecting all columns
- Performing inquiries through arithmetic operations
- Assigning aliases to columns
- Working with literals
- String concatenation
Restricting Results
- Utilizing the WHERE clause
- Applying comparison operators
- Using the LIKE condition
- Understanding the BETWEEN ... AND condition
- Applying the IS NULL condition
- Using the IN condition
- Employing logical operators
- Combining multiple conditions in the WHERE clause
- Operator precedence
- Using the DISTINCT clause
Sorting Data
- Using the ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Distinguishing between single-row and multi-row functions
- Utilizing text, numeric, and date functions
- Applying conversion functions
- Nesting functions
- Managing NULL values
Aggregating Data Using Grouping Functions
- Overview of grouping functions
- How grouping functions handle NULL values
- Creating data groups with the GROUP BY clause
- Grouping across multiple columns
- Filtering grouped results with the HAVING clause
Retrieving Data from Multiple Tables
- Types of joins
- Assigning aliases to tables
- Performing joins within the WHERE clause
- Understanding INNER JOINs
- Implementing OUTER JOINs (LEFT, RIGHT)
- Generating Cartesian products
Subqueries
- Incorporating subqueries within the SELECT command
- Differentiating between single-line and multi-line subqueries
- Using operators for single-line subqueries
- Utilizing IN, ALL, and ANY operators for multi-line subqueries
Set Operators
- Using the UNION operator
- Using the INTERSECT operator
- Using the EXCEPT operator
Inserting, Updating, and Deleting Data
- Executing the INSERT command
- Executing the UPDATE command
- Executing the DELETE command
Transactions
Requirements
- Basic computer literacy
- Knowledge of any 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,
