Querying Data with Microsoft Transact-SQL

Introduction to Transact-SQL

Introduction to Transact-SQL

• Work with schemas
• Explore the structure of SQL statements
• Examine the SELECT statement
• Work with data types
• Handle NULLs
• Exercise - Work with SELECT statements

Sort and filter results in T-SQL

Sort and filter results in T-SQL

• Sort your results
• Limit the sorted results
• Page results
• Remove duplicates
• Filter data with predicates
• Exercise - Sort and filter query results

Combine multiple tables with JOINs in T-SQL

Combine multiple tables with JOINs in T-SQL

• Understand joins concepts and syntax
• Use inner joins
• Use outer joins
• Use cross joins
• Use self joins
• Exercise - Query multiple tables with joins

Write Subqueries in T-SQL

Write Subqueries in T-SQL

• Understand subqueries
• Use scalar or multi-valued subqueries
• Use self-contained or correlated subqueries
• Exercise - Use subqueries

Use built-in functions and GROUP BY in Transact-SQL

Use built-in functions and GROUP BY in Transact-SQL

• Categorize built-in functions
• Use scalar functions
• Use ranking and rowset functions
• Use aggregate functions
• Summarize data with GROUP BY
• Filter groups with HAVING
• Exercise - Use built-in functions

Modify data with T-SQL

Modify data with T-SQL

• Insert data
• Generate automatic values
• Update data
• Delete data
• Merge data based on multiple tables
• Exercise - Modify data