MySQL: Transactions, Savepoints, & Locks

MySQL    |    Intermediate
  • 14 videos | 1h 27m 44s
  • Includes Assessment
  • Earns a Badge
Rating 4.5 of 44 users Rating 4.5 of 44 users (44)
This 14-video course explores how to execute groups of commands in an all-or-nothing fashion. Learners will examine how locks are used to regulate table access when multiple clients are accessing the database simultaneously. First, you will explore the ACID properties (atomicity, consistency, isolation, and durability) of database management systems. Next, you will learn how transactions, a unit of work which needs to be executed in an all or nothing fashion, work in MySQL. Next, learners you will examine the start transaction keyword, how transactions are defined as committed or rolled back. You will examine implicit commits, operations which create, alter, or drop database entities, such as databases or tables, and how these operations are affected by transaction commits and rollbacks. Learners will observe DDL (data definition language) operations in MySQL. Continue by exploring savepoints, specific checkpoints where the copy of a system state is created, and release savepoints when they are no longer needed. Finally, the course examines the precise semantics of read and write locks in MySQL.

WHAT YOU WILL LEARN

  • Discover the key concepts covered in this course
    Enumerate the acid properties and their importance
    Start a transaction and execute statements within it
    Rollback insert and update commands executed within a transaction
    Identify commands that can not be rolled back once executed
    Enumerate ddl operations which are immediately reflected to database state
    Leverage stored procedures to control transaction execution
  • Specify custom handlers for errors and warnings occurring within transactions
    Use savepoints to perform rollback to specific points within a transaction
    Understand precise semantics of sequential savepoints in transactions
    Create multiple client sessions connected to the same mysql server
    Acquire a read lock on a relation and understand the semantics of read locking
    Acquire a write lock on a relation and understand the semantics of write locking
    Course summary

IN THIS COURSE

  • 1m 58s
  • 6m 17s
    In this video, you will list the ACID properties and their importance. FREE ACCESS
  • Locked
    3.  Introducing Transactions
    9m 41s
    In this video, find out how to start a transaction and execute statements within it. FREE ACCESS
  • Locked
    4.  Rollback and Commit
    5m 18s
    Learn how to rollback insert and update commands executed within a transaction. FREE ACCESS
  • Locked
    5.  Implicit Commits
    5m 31s
    In this video, learn how to identify commands that cannot be rolled back once executed. FREE ACCESS
  • Locked
    6.  DDL Operations
    8m 7s
    In this video, learn how to enumerate DDL operations which are reflected immediately to database state. FREE ACCESS
  • Locked
    7.  Transactions and Stored Procedures
    8m 19s
    In this video, you will use stored procedures to control transaction execution. FREE ACCESS
  • Locked
    8.  Error and Warning Handlers
    9m 51s
    After completing this video, you will be able to specify custom handlers for errors and warnings occurring within transactions. FREE ACCESS
  • Locked
    9.  Savepoints
    7m 21s
    Learn how to use savepoints to rollback to specific points within a transaction. FREE ACCESS
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    10.  Semantics of Savepoints
    6m 4s
    After completing this video, you will be able to understand the precise semantics of sequential savepoints in transactions. FREE ACCESS
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    11.  Sessions and Connections
    8m 48s
    In this video, you will learn how to create multiple client sessions connected to the same MySQL server. FREE ACCESS
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    12.  Read Locks
    4m 57s
    Find out how to acquire a read lock on a relation and understand the meaning of read locking. FREE ACCESS
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    13.  Write Locks
    4m 29s
    In this video, find out how to acquire a write lock on a relation and understand the meaning of write locking. FREE ACCESS
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    14.  Course Summary
    1m 2s
    In this video, you will learn how to create a course summary. FREE ACCESS

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