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Database Programming

Databases are collections of tables that maintain and display information, often collaboratively; this information can be used for interaction with an application or gaining general knowledge. Questions about database engines and modifying or using them belong in this category.

8,803 Questions

How do I correctly burn psx torrent downloads using a mac?

There is no "correct" burning; a PlayStation will simply not read a burned disc. There is probably nothing wrong with your computer, your drive, or your discs.

Can a query be used to create calculated fields?

Yes. Queries are often used to do calculations and can then produce a field. However anything that can be calculated from other fields should not go into a database table, which is why we use queries to get them. The queries just display them but do not add them into tables. There is no need to do so. From the perspective of users, they will see calculated data appearing on a form or in a query or in a report, as if the data was a field in a table.

Can an amateur disable the security system in a 1996 Buick Riviera?

No, can not be disabled. Must have correct key for computer to activate fuel pump and starter.

What will happen if the registry files are corrupted or deleted?

The 100 year old cheesecake factory in Tokyo, Japan will explode causing many adults and infant to die and cause Armageddon to official begin. FIN =D

What is the difference between Oracle 10i and Oracle 10g?

Oracle 8i and 9i were databases with 'i' referring to the Internet. For version 10 onwards, Oracle named the database as 10g, 'g' referring to the grid. 10i and 11i are ERP systems, nothing to do with the database.

When was the first torch invented?

The first torch was invented by Luigi Sineto in 1857. He was the oldest living man in Spain :)

What are the salient features of deferred database modification and immediate database modification schemes for recovery?

In deffered database the transaction is committed after the transaction is completed i.e(the transaction has completed its partially committed state) where as for immediate database the transaction is commited when tha transaction is in the active state. keta shah Oracle DBA track trainer ITS knp_shah@yahoo.co.in

What is the difference between logical and physical data independence?

The logical data independence is the ability to modify a logical schema without making external view or application program change.

The physical data independence is the ability to modify a physical schema without making external view or application prrogram change.

What is an office information system?

OIS: IT is a package of softwares that are developed to make working operation in offices easy, speedy and time saving. * It includes: * MS Oficce * Ms Powerpoint * Ms Excell * Internet Explore * Video Conferencing * Emails etc by Sabir Hussain Sarhad University Peshawar

Negative effects of using computers?

People tend to get addicted to computer games, and thus spend large amounts of time gaming. They don't go outside to absorb vitamin D, excercise, eat properly, or practice social skills. Even of the computer user is not completely addicted and retains some semblance of health, some scientist somewhere will probably reassure them that computers emit lethal radiation or some other cancer-causing stuff.

Data encoder description?

Data encoder is a device or software program that converts information from one code or format into another. This may also perform several tasks related to entry, collection and dissemination of data.

What are system flowcharts?

A system flowchart is a physical model that graphically documents the system's discrete physical components (its programs, procedures, files, etc.).

Database assertion its types and enforcement?

Hi, for database assertion has no type, what it does is something like this:

1. it's created by "create assertion assertion_name check (condition);
2. "condition" in the above statement could be any query that involves a boolean expression
such as >=, <=, <>, exists, not exists, etc.
3. say, if you modify a database by insert, delete or update, if the condition in the assert statement holds, then modification will be allowed; otherwise, no modification will take place.

Hope that helps.

-Alan

What is a meta assembler?

Meta-assembler is a program that accepts the syntactic and semantic description of an assembly language, and generates an assembler for that language.

What are the disadvantages of prototyping?

At least 2 disadvantages:

  • If the prototype is working, developers tend to build upon the code as production one.
  • A prototype may only prove one of serveral possible solutions. Not seeing the whole picture

Some would argue that prototyping is a waste of time. In my experience, prototyping, if applied correctly, actually save a lot of time. Saving time may be an advantage, not a disadvantage.

How long to back up 120 GB of data?

How is the backup drive connedted to the computer?

If it is connected by USB, the rectangular plug, then it might take an hour or more.

If it is connected by a SATA plug, which looks like a USB, except it is shaped slightly less like a rectangle, it would take significantly shorter time, though I don't know how much shorter, since there is SATA 6 and SATA 3, which both affect the required time.

120 Gb is a lot to back up, so don't expect it to go quickly.

What is the net driver to access the database?

Question doesnt make sense. There are tens of database types availible. Each using one or two drivers.

What is similarity in database management system and operating system?

In the computer world, an Operating System is what makes the machine run. It's like a car engine. The database management system is what functions because of the Operating System. The database contains data, which can be retrieved for different purposes. Trending, analysis, etc.