7346602
Description
Flashcards by Asmi Mohamed, updated more than 1 year ago
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Created by Asmi Mohamed
almost 9 years ago
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| Question | Answer |
| Click to start!!!!!!! | Define the following keyword. |
| RECORD | All data about one item in a database. |
| FIELD | A single category of information that is recorded in a database. |
| Primary key | A field in a table which uniquely identities each record in that table. |
| Database | Persistent (does not go away),organised store of data in electronic form. |
| Form | User interface tool which allows a user to enter or change data in the table. |
| Entity | An object or thing of importance about which data in a table. |
| Relational | Type of database in which two or more tables are linked to each other |
| Foreign key | A field use in a one table to represent the value of a primary key in a database. |
| Verification | making sure if the data you entered is correct. e.g. Retyping the password. |
| Validation | To make sure the data you entered is sensible. |
| Input mask | A type of validation that gives you a format of what to input for example |
| Presence check | Check if their is something in the box |
| Range Check | To check if the data is within a particular range. using <=> e.g. |
| List Check | IT give you list of option so there is less chance of making mistake. |
| DBM (Database Manageme7nt) | G |
| Data redundancy | Where data is repeated unnecessarily in a database. |
| Data integrity | The correctness of in a database. |
| Packet | How data is sent over the network. |
| Mac | Each device has its own mac address (A unique number) |
| Domain Name | Domain is like IP address and has unique name which allows the user to remember the web site easily. |
| DNS | Domain Name System it convert Domain name IP address to computer language. |
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