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Course Outline
Relational Database Models
- The structure of a relational database
- Relational operators
Data Retrieval
- Guidelines for writing SQL queries
- Syntax of the SELECT statement
- Selecting all columns
- Queries involving arithmetic operations
- Column aliases
- Literals
- String concatenation
Filtering Results
- The WHERE clause
- Comparison operators
- The LIKE operator
- The BETWEEN ... AND operator
- The IS NULL condition
- The IN operator
- Logical operators
- Combining multiple conditions in the WHERE clause
- Operator precedence
- The DISTINCT clause
Sorting Data
- The ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Differences between single-row and multi-row (aggregate) functions
- Text, numeric, and date functions
- Conversion functions
- Nesting functions
- Handling NULL values
Aggregating Data with Grouping Functions
- Grouping functions overview
- How grouping functions handle 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
- Table aliases
- Joins specified in the WHERE clause
- INNER JOIN
- Outer joins (LEFT and RIGHT)
- Cartesian product
Subqueries
- Using subqueries within the SELECT statement
- Single-line and multi-line subqueries
- Operators for single-line subqueries
- Operators for multi-line 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 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,
