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Course Outline
Relational Database Models
- Structure of relational databases
- Relational operators
Data Retrieval
- Guidelines for constructing SQL queries
- SELECT statement syntax
- Retrieving all columns
- Arithmetic operations in queries
- Column aliases
- Literal values
- String concatenation
Filtering Results
- Usage of 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
- DISTINCT clause
Data Sorting
- 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
- Managing NULL values
Data Aggregation with Grouping Functions
- Overview of grouping functions
- Handling of NULL values in grouping functions
- Creating data groups using the GROUP BY clause
- Grouping by multiple columns
- Filtering group results with the HAVING clause
Retrieving Data from Multiple Tables
- Types of joins
- Table aliases
- Joins specified in the WHERE clause
- INNER JOIN
- LEFT and RIGHT OUTER JOIN
- Cartesian product
Subqueries
- Placing subqueries within 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
Data Manipulation: Insert, Update, and Delete
- INSERT statement
- UPDATE statement
- DELETE statement
Transactions
Requirements
- Basic computer proficiency
- Familiarity with any operating system
14 Hours
Testimonials (1)
The practical examples, which already had more realistic information prepared in the database.
Enrique Pruneda Sandoval - GEODIS
Course - SQL language in MSSQL
Machine Translated
