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Course Outline
Relational Database Models
- Anatomy of a relational database
- Relational operators
Retrieving Data
- Guidelines for constructing SQL queries
- SELECT statement syntax
- Retrieving all columns
- Queries involving arithmetic operations
- Column aliases
- Literals
- String concatenation
Filtering Results
- The WHERE clause
- Comparison operators
- LIKE condition
- BETWEEN ... AND condition
- IS NULL condition
- IN condition
- Logical operators
- Multiple conditions within the WHERE clause
- Operator precedence
- DISTINCT clause
Data Sorting
- The ORDER BY clause
- Sorting by multiple columns or expressions
SQL Functions
- Distinctions between scalar and aggregate functions
- Text, numeric, and date functions
- Type conversion functions
- Nested functions
- Managing NULL values
Data Aggregation via Grouping Functions
- Grouping functions
- Treatment of NULL values by grouping functions
- Creating data groups using the GROUP BY clause
- Grouping across multiple columns
- Filtering aggregated results using the HAVING clause
Accessing Data from Multiple Tables
- Various types of joins
- Table aliases
- Joins specified in the WHERE clause
- INNER JOIN
- External merges: LEFT and RIGHT joins
- Cartesian product
Subqueries
- Embedding 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
- Basic computer proficiency
- 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,
