SQL Triggers for Beginners
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About this course
As a SQL Server Database Developer, business-layer logic that sits within the database is frequently required to provide clean, consistent data. Although constraints and foreign key relationships can help offer some of the necessary relational assurances, triggers allow you to validate and act on data as it is being modified.
The ultimate practical course for beginners and intermediates who want to grasp SQL Triggers. You'll learn how to employ DDL and DML SQL Triggers, as well as when to use DML-INSTEAD OF and DML-AFTER triggers. You'll learn how to work with SQL Triggers in a database. You will learn foundational knowledge to better administer and develop efficient, high-performing Triggers in this course, Programming SQL Server Triggers. You'll learn how to create DML, DDL, and LOGON triggers, as well as how to avoid frequent errors. After completing this course, you will have the skills and knowledge necessary to administer and build high-performing Triggers.
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Course Outline
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Frequently Asked Questions
Will I receive a certificate upon completing this free course?
Is this course free?
What is a trigger in SQL and why it is used?
A trigger is a sort of stored procedure that executes automatically when a database server event occurs. When a user attempts to edit data via a data manipulation language (DML) event, DML triggers are triggered. INSERT, UPDATE, and DELETE statements on a table or view are DML events. Data definition language (DDL) triggers are run in response to a range of DDL events. The CREATE, ALTER, and DROP statements in Transact-SQL, as well as some system stored procedures that perform DDL-like actions, are the most common triggers for these events.
Triggers are used to maintain data integrity by checking or modifying data in a consistent manner. A trigger is a collection of SQL statements that can be used by many applications. When numerous programs need to do the same database operation, it allows you to avoid writing redundant code.
How many types of triggers are there in SQL?
We may create four different sorts of triggers in SQL Server. Triggers for the Data Definition Language (DDL), the Data Manipulation Language (DML), the CLR, and the Logon.
Will I get a certificate after completing this SQL Triggers free course?
Yes, you will get a certificate of completion for SQL Triggers after completing all the modules and cracking the assessment. The assessment tests your knowledge of the subject and badges your skills.
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