To generate the Unique identifier
Hi friends;Is there a way to generate a unique identifier (length 8), which can contain numbers (0-9) and in pl/sql or sql letters(a-z)?
Note:-in oracle 9i
Concerning
Vish
Published by: 909237 on June 21, 2012 15:32
This 8-digit value is always unique? If this is the case, your answer is 100% correct.
Can be yes or no. Please follow link below:
http://www.Oracle-base.com/articles/9i/UUID-9i.php
In the above link, Tim has created a function named new_uuid. In this function, he used a conversion_api package. You can get the code for conversion_api from the given link. After creating the function, he showed a demo of a UUID table what unique constraint. Then it adds 100000 rows in the table. If there is no unique constraint occurs violation, it means that you have 100000 unique random-ed string, which can be used in the password. Whenever you want to assign a password, simply, you can say something like this:
Select TRUNC (DBMS_RANDOM. VALUE (1,100000)) twice;
Suppose that it is up to you 93068, this means that you will read 93068th row in the table of the UUID, recover the password for example column of the table of the UUID uuid and then just delete the UUID where uuid = "the password you have."
Concerning
Girish Sharma
Tags: Database
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33ac2d45-960f-45AF-acba-507f01d18e08 wrote:
Please update your forum profile with a real handle instead of '33ac2d45-960f-45af-acba-507f01d18e08 '.
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Anomaly of the non-recoverable system:
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ShobzHi Anushal,
Thanks for the reply.Hi all
The problem has been resolved with the creation of this «sequencePreallocationSize» DBAdpater
As this property is set to 50 DB adapter's default, it did not fit with the INCREMENT BY the AP_INVOICE_LINES_INTERFACE_S sequence that has been set to 1.What happens in the adaptor DB is, when the first record is created, it takes the nextval in the sequence (assume it is 20), however it uses then his own sequence internal for the next 50 files by reference to the value set in this property (by creating records with primary keys from 20 to 70) and only when this internal sequence is exhausted it will return to the sequence of database.
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Thank you
Shobz
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