Updating two different tables with cursor oracle Sex chat without paying and log in registration


24-Mar-2020 21:16

updating two different tables with cursor oracle-14

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The following illustration shows the execution cycle of an explicit cursor: Let’s examine each step in detail.Before using an explicit cursor, you must declare it in the declaration section of a block or package as shown below: is the name of the cursor declared in the declaration section.This clause can also be extended to lock only the intended table in the SELECT query containing more than one table in joins using the FOR UPDATE OF clause.This clause becomes meaningless if we use a single table SELECT clause as the minimum Oracle has provided us with the WHERE CURRENT OF clause for both DELETE and UPDATE statements inside a cursor’s range to make changes to the last fetched row(s) from the cursor with an ease.In case you want to read the previous post – Oracle Cursor – Basics All examples are tested in Oracle 11g Release 2 version.I used the classic DEPT and EMP tables to illustrate the examples SQL 1.Rows Only does not seem to work with the FOR UPDATE clause.

updating two different tables with cursor oracle-79

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The FOR UPDATE OF clause helps us in locking up the intended table rather all available tables.

We will explain different types of Cursors with simple examples.



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