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Course Outline
Relational database models
- Structure of a relational database
- Relational operators
Retrieving data
- Best practices for constructing SQL queries
- SELECT statement syntax
- Selecting all columns
- Performing arithmetic calculations within queries
- Column aliasing
- Using literals
- String concatenation
Filtering results
- Usage of the WHERE clause
- Comparison operators
- Pattern matching with LIKE
- Range filtering with BETWEEN ... AND
- Checking for NULL values
- Membership testing with IN
- Logical operators
- Combining multiple conditions in WHERE
- Operator precedence
- Removing duplicates with DISTINCT
Ordering data
- The ORDER BY clause
- Sorting by multiple columns or calculated expressions
SQL functions
- Distinguishing between scalar and aggregate functions
- Text, numeric, and date functions
- Data type conversion functions
- Nested function calls
- Managing NULL values
Aggregating data with grouping functions
- Overview of aggregate functions
- How aggregates handle NULL values
- Creating data groups with GROUP BY
- Grouping on multiple columns
- Filtering groups with the HAVING clause
Querying multiple tables
- Types of joins
- Table aliasing
- Joins within the WHERE clause
- INNER JOIN
- Outer joins (LEFT, RIGHT)
- Cartesian product
Subqueries
- Embedding subqueries in SELECT statements
- Single-row and multi-row subqueries
- Comparing single-row subqueries
- Using IN, ALL, and ANY with subqueries
Set operators
- UNION operator
- INTERSECT operator
- EXCEPT operator
Modifying data
- INSERT statement
- UPDATE statement
- DELETE statement
Transaction management
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,
