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Introduction to Transact-SQL - Revised

Discover how to query databases using the truly powerful tools of T-SQL, with this free online course.

Databases
Free Course
This free online Transact-SQL course will teach you all about querying a database using T-SQL. The course will first introduce you to constructing queries using the select statement. You will then learn to refine your select statements search with clauses that can be applied to the select statement. This also includes sorting and filtering queries and the method used to do so, along with combining data from different sources within the database.
  • Duration

    2-3 Hours
  • Assessment

    Yes
  • Certification

    Yes
  • Responsive

    Yes
  • Publisher

    Channel 9

Description

Modules

Outcome

Certification

View course modules

Description

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.

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Learning Outcomes

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.

Certification

All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire official Certification, which is a great way to share your achievement with the world. Your Alison Certification is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certification for completed Certificate courses:

Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
Certificate - a physical version of your officially branded and security-marked Certificate, posted to you with FREE shipping
Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping

All Certification is available to purchase through the Alison Shop. For more information on purchasing Alison Certification, please visit our faqs. If you decide not to purchase your Alison Certification, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certification pricing, please visit our Pricing Page.

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