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Course Outline
Relational database models
- The architecture of a relational database
- Relational operators
Retrieving data
- Best practices for crafting SQL queries
- SELECT statement syntax
- Retrieving all columns
- Performing arithmetic operations in queries
- Using column aliases
- Literals
- String concatenation
Filtering results
- Using the WHERE clause
- Comparison operators.
- LIKE condition
- BETWEEN ... AND condition
- IS NULL condition
- IN condition.
- Logical operators
- Combining multiple conditions in the WHERE clause
- Operator precedence
- The DISTINCT clause
Data sorting
- The ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Distinguishing between single-row and multi-row functions
- Text, numeric, and date functions
- Conversion functions
- Nesting functions
- Managing NULL values
Data aggregation with grouping functions
- Grouping functions
- How grouping functions handle NULL values
- Creating data groups with the GROUP BY clause
- Grouping across multiple columns
- Filtering aggregated results with the HAVING clause
Retrieving data from multiple tables
- Types of joins
- Table aliases
- Joins within the WHERE clause
- INNER JOIN
- Outer joins (LEFT, RIGHT)
- Cartesian products
Subqueries
- Embedding subqueries in SELECT statements
- Single-row and multi-row subqueries
- Operators for single-row subqueries
- Operators for multi-row subqueries (IN, ALL, ANY)
Set operators
- UNION operator
- INTERSECT operator
- EXCEPT operator
Inserting, updating, and deleting data
- INSERT command
- UPDATE command
- DELETE command
Transactions
Requirements
- Basic computer literacy
- Familiarity with any standard 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,
