Introduction to Transact-SQL - Revised
Discover how to query databases using the truly powerful tools of T-SQL, with this free online course.
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The course begins by introducing you to what SQL and Transact-SQL. You will learn about the select statement for creating queries and the clauses you can apply to the select statement. You will learn about the various data types that a database can hold, as well as working with NULL values in your database.
Next, you will learn further ways of refining your select statement results by removing duplicates and sorting query results. You then learn about using predicates to further refine your query to filter out results you don’t need. This course also teaches you query multiple tables using joins and different types of joins. You will also learn about combining queries using the Intersect and Except queries.
In the end, you will be introduced to Functions and aggregating data. You will learn about scalar functions and their tasks. You will learn about logical functions and how they work. You will also learn about window functions and aggregate functions and applying them to your queries. This course then teaches you filtering using the group by sub-clause and Having clause. This course will be of great interest to anyone who wishes to learn about querying a database or would like to learn Microsoft variation of SQL, Transact-SQL.Start Course Now
Introducing Transact-SQL - Learning Outcomes
Introducing Transact-SQL - Course Introduction
Introduction to Transact-SQL
The SELECT Statement
Data Types and Working with NULL
Introducing Transact-SQL - Lesson Summary
Querying Tables with Select
Querying Tables with Select - Learning Outcomes
Removing Duplicates and Sorting
Filtering and Using Predicates
Querying Tables with Select - Lesson Summary
Querying Multiple Tables with Joins and Using Set Operators
Querying Multiple Tables with Joins and Using Set Operators - Learning Outcomes
Join Concepts and Syntax
Intersect Queries and Except Queries
Querying Multiple Tables with Joins and Using Set Operators - Lesson Summary
Using Functions and Aggregating Data
Using Functions and Aggregating Data - Learning Outcomes
Window and Aggregate Functions
Group By and Filtering with Having
Using Functions and Aggregating Data - Lesson Summary
Having completed this course you will be able to: - Set up an Azure SQL Database environment.
- Describe the different data types and their uses.
- Identify NULL functions and how they work with SQL queries.
- Identify how to remove duplicates from SQL query searches.
- Choose how to sort SQL query results.
- Construct a SQL query with predicates and filtering.
- Describe the concept and uses of a Join.
- Identify where to implement Joins in SQL queries.
- Identify where to apply the UNION operator in a SQL query to combine data from two different tables
- Recognize where to add INTERSECT and EXCEPT operators in a SQL queries
- Identify many of the built in Functions in Transact- SQL and where use them in SQL queries.
- State how to summarize data with Aggregating functions.
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