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Course Outline
Relational Database Models
- The structure of a relational database
- Relational operators
Data Retrieval
- Rules for writing SQL queries
- Syntax of the SELECT statement
- Selecting all columns
- Calculations from arithmetic operations
- Column aliases
- Literals
- Concatenation
Restricting Results
- The WHERE clause
- Comparison operators
- LIKE condition
- BETWEEN ... AND condition
- IS NULL condition
- IN condition
- Logical operators
- Multiple conditions in the WHERE clause
- Operator precedence
- DISTINCT clause
Sorting Data
- The ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Differences between single-row and multi-row functions
- Text, numeric, and date functions
- Conversion functions
- Nesting functions
- Handling NULL values
Aggregating Data Using Grouping Functions
- Grouping functions
- How grouping functions treat NULL values
- Creating data groups - the GROUP BY clause
- Grouping by multiple columns
- Filtering grouped results - 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 product
Subqueries
- Placing subqueries in the SELECT command
- 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
- General computer literacy
- Familiarity with any operating system
14 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 3200 € + VAT*
Contact us for an exact quote and to hear our latest promotions
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,
