Oracle Database Transactions and Oracle Certifications

Oracle Database Transactions and Oracle Certifications

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Summary-Transactions

2024-07-23
 |  No Comments
 |  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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Distributed Transactions-Transactions-2

2024-04-23
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 |  Oracle Certification Exams, WRITE Extensions to COMMIT

It is the function of the RECO background process to resolve this issue. This is also where COMMIT and ROLLBACK with […]

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Distributed Transactions-Transactions-1

2024-03-23
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 |  Oracle Certification Exams, Transaction-Level Atomicity

One of the really nice features of Oracle is its ability to transparently handle distributed transactions. I can update data in […]

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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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Snapshot Too Old Error-Transactions

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 |  Oracle Certification Exams, Procedure-Level Atomicity

Let’s now look at the second reason developers are tempted to commit updates in a procedural loop, which arises from their […]

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Procedure-Level Atomicity-Transactions

2023-12-23
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 |  Distributed Transactions, Oracle Certification Exams

It is interesting to note that Oracle considers PL/SQL blocks to be statements as well.Consider the following stored procedure and reset […]

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Transaction Control Statements-Transactions

2023-11-23
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 |  Oracle Certification Exams, Transaction-Level Atomicity, WRITE Extensions to COMMIT

You don’t need a “begin transaction” statement in Oracle. A transaction implicitly begins with the first statement that modifies data (the […]

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Summary-Concurrency and Multiversioning

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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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Why Is a Restart Important to Us?-Concurrency and Multiversioning

2023-10-23
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 |  Oracle Certification Exams, Procedure-Level Atomicity, WRITE Extensions to COMMIT

The first thing that pops out should be “Our trigger fired twice!” We had a one-row table with a BEFORE FOR […]

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Statement-Level Atomicity-Transactions

2023-08-23
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 |  Distributed Transactions, Oracle Certification Exams, WRITE Extensions to COMMIT

Consider the following statement:SQL> Insert into t values ( 1 ); It seems fairly clear that if the statement were to […]

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Oracle Database Transactions and Oracle Certifications