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Building and Optimizing Triggers in SQL Server

Learn how to design and implement triggers in SQL Server using real-world examples.

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4 Horas15 Videos49 Exercicios
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Descrição do Curso

Auditing your SQL Server database and keeping data integrity can be a challenging task for DBAs and database developers. SQL Server triggers are special types of stored procedures designed to help you achieve consistency and integrity of your database. This course will teach you how to work with triggers and use them in real-life examples. Specifically, you will learn about the use cases and limitations of triggers and get practice designing and implementing them. You will also learn to optimize triggers to fit your specific needs.
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  1. 1

    Introduction to Triggers

    Grátis

    An introduction to the basic concepts of SQL Server triggers. Create your first trigger using T-SQL code. Learn how triggers are used and what alternatives exist.

    Reproduzir Capítulo Agora
    Introduction
    50 xp
    Types of trigger
    50 xp
    Creating your first trigger
    100 xp
    Practicing creating triggers
    100 xp
    How DML triggers are used
    50 xp
    When to use triggers
    50 xp
    Creating a trigger to keep track of data changes
    100 xp
    Trigger alternatives
    50 xp
    Triggers vs. stored procedures
    100 xp
    Triggers vs. computed columns
    100 xp
  2. 2

    Classification of Triggers

    Learn about the different types of SQL Server triggers: AFTER triggers (DML), INSTEAD OF triggers (DML), DDL triggers, and logon triggers.

    Reproduzir Capítulo Agora
    AFTER triggers (DML)
    50 xp
    Tracking retired products
    100 xp
    The TrackRetiredProducts trigger in action
    100 xp
    Practicing with AFTER triggers
    100 xp
    INSTEAD OF triggers (DML)
    50 xp
    Preventing changes to orders
    100 xp
    PreventOrdersUpdate in action
    50 xp
    Creating the PreventNewDiscounts trigger
    100 xp
    DDL triggers
    50 xp
    Tracking table changes
    100 xp
    Using FOR in a trigger
    50 xp
    Preventing table deletion
    100 xp
    Logon triggers
    50 xp
    Enhancing database security
    100 xp
    Defining a logon trigger
    50 xp
  3. 3

    Trigger Limitations and Use Cases

    Find out known limitations of triggers, as well as common use cases for AFTER triggers (DML), INSTEAD OF triggers (DML) and DDL triggers.

    Reproduzir Capítulo Agora
    Known limitations of triggers
    50 xp
    Trigger limitations
    50 xp
    Creating a report on existing triggers
    100 xp
    Use cases for AFTER triggers (DML)
    50 xp
    Keeping a history of row changes
    100 xp
    Table auditing using triggers
    100 xp
    Use cases for INSTEAD OF triggers (DML)
    50 xp
    Preventing changes to Products
    100 xp
    Checking stock before placing orders
    100 xp
    Use cases for DDL triggers
    50 xp
    Database auditing
    100 xp
    Preventing server changes
    100 xp
  4. 4

    Trigger Optimization and Management

    Learn to delete and modify triggers. Acquaint yourself with the way trigger management is done. Learn how to investigate problematic triggers in practice.

    Reproduzir Capítulo Agora
    Deleting and altering triggers
    50 xp
    Removing unwanted triggers
    100 xp
    Modifying a trigger's definition
    100 xp
    Disabling a trigger
    100 xp
    Re-enabling a disabled trigger
    100 xp
    Trigger management
    50 xp
    Managing existing triggers
    100 xp
    Counting the AFTER triggers
    50 xp
    Troubleshooting triggers
    50 xp
    Keeping track of trigger executions
    100 xp
    Identifying problematic triggers
    100 xp
    Wrapping up
    50 xp
Para Empresas

GroupTreinar 2 ou mais pessoas?

Obtenha acesso à biblioteca completa do DataCamp, com relatórios, atribuições, projetos e muito mais centralizados

Nas seguintes faixas

SQL Server Developer

Ir para a trilha

SQL Server para administradores de banco de dados

Ir para a trilha

Conjuntos De Dados

Discounts tableOrders tableProducts table

Colaboradores

Collaborator's avatar
Mona Khalil
Collaborator's avatar
Becca Robins
Collaborator's avatar
Marianna Lamnina

Pre Requisitos

Intermediate SQL Server
Florin Angelescu HeadshotFlorin Angelescu

Database Developer

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