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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 to manage database in my computer?

DBMS is the software you use to manage the database, and content is the information in the tables of the database. It is like the management of a warehouse and the content in the warehouse. Here is more of an explanation: * A database management system (DBMS) manages the data that is contained in it. The DBMS takes care of organizing and storing the data so that the user need not wory about the mechanics of storage and access. * DBMS stands for DataBase Management System. It's the software that manages the database. The database contents is the actual data. For example, if you store name and addresses in MS Access, the MS Access and file structures would be the DBMS and the actual names and addresses would be the data. In the corporate world, there is software available which is described as DBMS.

Difference between ClinTrial and oracle clinical?

Both are Clinical Data Management Systems (CDMS), developed by different companies. ClinTrial is a product by Phase Forward and Oracle Clinical (OC) is a product by Oracle. Though they have different features, basic functionality is the same Check http://en.wikipedia.org/wiki/Clinical_data_management_system for more details about CDMS Basically CDMS systems are used in case of paper & hybrid (paper and EDC) trials.

Who wrote Lady Oracle?

The novel is writing by Margaret Atwood. She is a Canadian novelist and poet.

What are the parts of SQL language in dbms?

There are three parts of structure query language (sql) .

1.dml

2.ddl

3.dcl

1. In data manipulation language (dml) we can insert,update and delete a record.

2.in data definition language (ddl) we can change the structure of data like alter a table,create object ,drop and rename an object.

3.data control language (dcl) we can use security rights like grant ,revoke .

Difference between network file system and distributed file system?

NFS stands for Network File System: a network file system protocol allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed. NFS works over the IP network so it communicates via Ethernet. Computers accessing NFS storage will communicate via their NIC (network interface card).

DFS stands for Distributed File System: In general terms, is any file system that allows access to files from multiple hosts sharing via a computer network. This makes it possible for multiple users on multiple machines to share files and storage resources. NFS is considered one of many different types of NFS. So DFS is more of a generic term.

How do you transfer data from Microsoft Access to FileMaker Pro?

  1. Highlight (single-click) the table you want to export.
  2. Go to File > Export... >
  3. Choose a location and a filename for the file. Type .csv after the filename you choose. CSV stands for comma separated variables.
  4. From the dropdown, choose Text Files below File name. Click Export.
  5. Choose Delimited. Click Next.
  6. Choose Comma and leave the Text Qualifier as ". Click Next.
  7. The folder you have chosen should appear on the next screen. Click Finish.
  8. Open Filemaker.
  9. Use Filemaker to open the .csv file.
  10. It should rename the file by its previous name plus Converted.

What is the difference between a stick from a tree and a stick like structure from the same tree?

A stick from a tree has a PINGUS!!! while a stick like structure from the same tree has two PINGUSES!!!!

What are the differences between sequential file organization and direct file otganization?

A sequential file is accessed one record at a time, from first to last, in order. Each record can be of varying length.

A direct (or random) file is accessed in any order, by record number. Each record must be of identical length.

A sequential file might look like this, with records separated by commas:

bear,skunk,moose,fish,alligator

A direct file with the same data would look (something) like this:

bear_____skunk____moose____fish_____alligator

What is the difference between a personal database system and a enterprise class database system?

A personal database system allows users to store their own files and interact with other applications. An enterprise class database system allows enterprises to analyze their own data.

What was the significance of the Oracle?

Philosophers and Greeks thought they could tell the future.

What does MB KB and GB mean?

MB, KB and GB are all shortened names measuring the amount of memory or disk space that is used by a computer. KB stands for kilobyte, which is 1000 bytes. MB stands for megabyte, which is 1000 kilobytes. GB stands for gigabtye, which is 1000 megabytes. It should be noted that computer operating systems and computer hardware manufacturers measure these sizes differently. Since computers are built on binary operations, they specify sizes based on the power of two. For a computer, a kilobyte is 1024 bytes, a megabyte is 1024 kilobytes and a gigabyte is 1024 megabytes. So, if you purchase a 500 gigabyte hard drive (based on 1 kilobyte = 1000 bytes), the hard drive manufacturer will measure that as 500,000,000,000 bytes. When the computer recognizes the hard drive, it will tell you that the hard drive is 465.66 gigabytes (base on 1 kilobyte = 1024 bytes). It should be noted that although the standards bodies prefer to measure a "1024" kilobyte as a "kibibyte" and so forth, the terms "kibibyte", "mibibyte" and "gibibyte" are not commonly used.

What are the features of deductive databases?

There are two primary variations of deductive database systems: expert database systems and knowledge-based database systems. Deductive databases differ from these two types of databases in one major respect: In the case of expert or knowledge-based databases, the data needs to be present in the primary memory of the computer. However, in a deductive database, this restriction is not present. The data can be in primary or secondary memory.

Where is the ribbon in the access database window?

i dont know dude go find out for yourself for a change eh haahhhah lol just joking im finding the answer to this question myself so plz help me someone .. :-/

What type of data is in a plain ASCII text file?

It would just be pure text characters, so things like letters, digits, punctuation symbols and other symbols that you can get from your keyboard. It would not be things like a photograph, which is a graphical file.

What is the relational database?

Relational database: Relational database means a collection data stored in different tables and each table are linked together by using primary key and foreign key. In relational database, data can be accessed from one table to another without reorganising the required table. The relational database was invented by E. F. Codd at IBM in 1970.