Query and modify data with Transact-SQL

Prerequisites

Familiarity with working with tables of data, for example in a spreadsheet.

Query and modify data with Transact-SQL Overview

Introduction to Transact-SQL

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

Sort and filter results in T-SQL

• Sort your results
• Limit the sorted results
• Page results
• Remove duplicates
• Filter data with predicates
• Module assessment

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
• Module assessment

Write Subqueries in T-SQL

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

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
• Module assessment

Modify data with T-SQL

• Insert data
• Generate automatic values
• Update data
• Delete data
• Merge data based on multiple tables
• Module assessment