Oracle Database Transactions and Oracle Certifications

Oracle Database Transactions and Oracle Certifications

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Category: READ UNCOMMITTED

Summary-Transactions

2024-07-23
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 |  Distributed Transactions, Oracle Certification Exams, Procedure-Level Atomicity, READ UNCOMMITTED, Transaction-Level Atomicity, WRITE Extensions to COMMIT

In this chapter, we looked at many aspects of transaction management in Oracle. Transactions are among the major features that set […]

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Restartable Processes Require Complex Logic-Transactions

2024-01-23
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 |  Oracle Certification Exams, READ UNCOMMITTED

The most serious problem with the “commit before the logical transaction is over” approach is the fact that it frequently leaves […]

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Summary-Concurrency and Multiversioning

2023-11-23
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 |  Oracle Certification Exams, READ UNCOMMITTED, WRITE Extensions to COMMIT

In this chapter, we covered a lot of material that, at times, might not have been obvious. However, it is vital […]

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Bad Transaction Habits-Transactions

2023-07-23
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 |  Oracle Certification Exams, READ UNCOMMITTED, Transaction-Level Atomicity, WRITE Extensions to COMMIT

Many developers have some bad habits when it comes to transactions. I see this frequently with developers who have worked with […]

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Seeing aRestart-Concurrency and Multiversioning

2023-01-23
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 |  Distributed Transactions, Oracle Certification Exams, Procedure-Level Atomicity, READ UNCOMMITTED

It is easier to see a restart than you might, at first, think. We’ll be able to observe one, in fact, […]

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WRITE Extensions to COMMIT-Level Atomicity-Level Atomicity-Transactions

2022-09-23
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 |  Distributed Transactions, Oracle Certification Exams, READ UNCOMMITTED

Oracle allows you to add a WRITE clause to your COMMIT statements. The WRITE clause allows the commit to either WAIT […]

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Performance Implications-Transactions

2022-07-23
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 |  Oracle Certification Exams, READ UNCOMMITTED, WRITE Extensions to COMMIT

It is generally not faster to commit frequently—it is almost always faster to do the work in a single SQL statement. […]

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Autonomous Transactions-Transactions

2022-04-23
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 |  Distributed Transactions, Oracle Certification Exams, READ UNCOMMITTED, Transaction-Level Atomicity

Autonomous transactions allow you to create a “transaction within a transaction” that will commit or roll back changes independently of its […]

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A Common Data Warehousing Technique That Fails-Concurrency and Multiversioning

2022-01-23
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 |  Oracle Certification Exams, READ UNCOMMITTED, Transaction-Level Atomicity

A common data warehousing technique I’ve seen people employ goes like this: \ 1.\ They use a trigger to maintain a […]

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REPEATABLE READ-Concurrency and Multiversioning

2021-12-23
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 |  Distributed Transactions, Oracle Certification Exams, READ UNCOMMITTED, Transaction-Level Atomicity

The goal of REPEATABLE READ is to provide an isolation level that gives consistent, correct answers and prevents lost updates. We’ll […]

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Oracle Database Transactions and Oracle Certifications