STALL
发表于 2025-3-23 12:50:01
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graphy
发表于 2025-3-23 15:02:10
Agents, Multi-agent Systems and Mobile Code,base schemas are prepackaged by Oracle with the database. For many years now, Oracle instructors, administrators, programmers, and users have been using the trusty SCOTT schema for simple queries, updates, and deletes in order to learn, test, and/or tune their databases. These schemas are what we ca
Finasteride
发表于 2025-3-23 19:58:42
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accessory
发表于 2025-3-24 01:04:20
https://doi.org/10.1007/978-3-540-87357-0rtunately, the converse is also true. Scattering inappropriate indexes around an application without careful thought is perfectly capable of turning it into a lumbering behemoth that’s not much use to anyone. Working out whether an index is appropriate, and how best to create it if it is, is somethi
Institution
发表于 2025-3-24 06:01:00
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sphincter
发表于 2025-3-24 08:55:27
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悬崖
发表于 2025-3-24 10:56:21
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Blood-Vessels
发表于 2025-3-24 16:03:58
Signals and Communication Technologyin an application. However, if we have no way of making our database objects and applications secure, then their usefulness will be severely limited. If, for example, we developed an application to manage Human Resource information, which allowed any individual to either view all employee salaries,
Thymus
发表于 2025-3-24 23:02:53
https://doi.org/10.1007/978-3-540-70605-2table but the key distinction is that a view does not store data — it is simply a stored query definition. However, the data is accessible through the view just as if you were accessing a normal table. You can select from it, join to it, and in some cases, you can INSERT, UPDATE, and DELETE from it.
dilute
发表于 2025-3-25 01:32:51
Signals and Communication Technologyabase, the user cannot call them directly. Oracle handles the execution of the appropriate trigger or triggers when the event requires it. The user is given no indication that Oracle is executing triggers, unless of course the trigger causes an error that the developer has not handled properly. In t