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Could be anything from a script that creates them to a script to report on them.<br />
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Can you provide some additional information?
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Could be anything from a script that creates them to a script to report on them.

Can you provide some additional information?

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Rollback Script in other terms would mean rollback steps, for suppose you are deploying/delivering a project on production environment<br />
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Incase the deliverable or deployment is a failure in such a case, there will be some plan to roll back such changes, in such event we will prepare rollback scripts..!!
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Rollback Script in other terms would mean rollback steps, for suppose you are deploying/delivering a project on production environment

Incase the deliverable or deployment is a failure in such a case, there will be some plan to roll back such changes, in such event we will prepare rollback scripts..!!

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AKA a &quot;backout script&quot;. &nbsp;Assuming that the install/upgrade steps are likewise documented, the backout dictates how to restore the environment to its pre-change image. &nbsp;If a column datatype is modified, there must be a corresponding step to change it back.<br />
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It's never enough to just rely upon a &quot;backup restore&quot;. &nbsp;The installation, and the backout scripts, should be so specific that they could be followed by someone else in the author's absence.
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AKA a "backout script".  Assuming that the install/upgrade steps are likewise documented, the backout dictates how to restore the environment to its pre-change image.  If a column datatype is modified, there must be a corresponding step to change it back.

It's never enough to just rely upon a "backup restore".  The installation, and the backout scripts, should be so specific that they could be followed by someone else in the author's absence.

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what is a rollback script..
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what is a rollback script

Oracle is an object-relational database management system. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java, but it also includes support for C and C++. Oracle also has its own enterprise modules and application server software.