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Difference between database and distributed database?
A database is nothing but simply a collection of records. The data can be stored all at a same place or can be distributed in different systems . When data is stored in different places that is distributed it is called distributed database.A database is normally stored in one place. That could be a physical location, like a particular office. A distributed database is one database that has different parts of it stored in different places. This is often for security and safety purposes. To a user, they still see all of the data they need on their screen, so they don't even realise that it is stored in different locations.
What is the definition for a database field?
A field is an item of information which is stored for all records in a database.Example for a car dealership:Information about cars for sale is stored in a tableA table consists of rows and columns of informationEach row is called a record and these hold information relating to one car. Car RegistrationManufacturerModelColourPurchase priceSale priceThe column in the table will contain different items of information. These are called fields. Examples:If you created a table to store this information using a spreadsheet package then you would instinctively add meaningful headings for each of the columns. These headings are basically the field names of your database.
What is the relationship between a record and a field?
In a database, a "record" is a collection of fields and all records in a "flat" databse are the same size and name, but with different data. In a relational database, a field can be a key to another table of records. A field is one data item, an index (or Key), a date, a name, etc. A record: Index,Name,Date,Acount A field: Name
Data base state vs database schema?
The database schema is the description of the database. It defines how the database is set up and what data it is to contain and control. This description is given to the DBMS to manage the data. The database state is an image of how the database looks at any given time. The database schema is set unless you change how the database is structured. The database state will change whenever new data is entered into the database and the database is updated.
What is a database in which ALL the data is stored in a single table known as?
A database in which ALL the data is stored in a single table is known as a flat-file database. This type of database lacks the relational structure found in more traditional databases that use multiple tables to store and organize data. Flat-file databases are simple but may limit the ability to efficiently query and manage data.
What is keyfield?
A key field is a field of a database table which forms an identifier for a record. It holds a unique data which distinguishes the record from all the other records in the database.
How is data held in a database?
Data is all of the information that is stored in a database (a file that stores records), it remains to be data unless it is published or verified as accurate and useful.
Difference between database and distributed database?
A database is nothing but simply a collection of records. The data can be stored all at a same place or can be distributed in different systems . When data is stored in different places that is distributed it is called distributed database.A database is normally stored in one place. That could be a physical location, like a particular office. A distributed database is one database that has different parts of it stored in different places. This is often for security and safety purposes. To a user, they still see all of the data they need on their screen, so they don't even realise that it is stored in different locations.
What is the definition for a database field?
A field is an item of information which is stored for all records in a database.Example for a car dealership:Information about cars for sale is stored in a tableA table consists of rows and columns of informationEach row is called a record and these hold information relating to one car. Car RegistrationManufacturerModelColourPurchase priceSale priceThe column in the table will contain different items of information. These are called fields. Examples:If you created a table to store this information using a spreadsheet package then you would instinctively add meaningful headings for each of the columns. These headings are basically the field names of your database.
What is the difference between fields records files and databases?
A database is a whole load of data set onto a database, it is possible to have more than one database. A field is a record part and the record is the total part. A field is like: first name is a field, last name is another field., Mr/Mrs is another field, the whole records is all of the fields relating to a person. Like the address, the town, the postcode, etc.
Your company has records of it's 8500 customers stored on its computer You're able to locate all the customers with a specific zip code by performing a query. This type of software is called?
A database holds the records that you are querying - thus you are speaking of database management software.
What is a group of fields in a database called?
Any computer based database is composed of certain things in a certain order. The simplest part of a database is the field. Fields can contain pictures or text or sounds or instructions on what to do with other information in other fields. Fields are grouped into Records. Records are the total of all the information on a particular person or item. Records can be combined with other records then to build the database
Why library uses databases?
Today database is used in every field. In library all the records are maintained in the database like no. of books in library and their categories, isuue of a book, returning a book etc.
Where would the Gettysburg address be stored in a Microsoft access database?
It could be stored in a Memo field, but in reality you would not use Microsoft Access at all to store it. You would store in a Microsoft Word document.
What is the relationship between a record and a field?
In a database, a "record" is a collection of fields and all records in a "flat" databse are the same size and name, but with different data. In a relational database, a field can be a key to another table of records. A field is one data item, an index (or Key), a date, a name, etc. A record: Index,Name,Date,Acount A field: Name
What is a file in a database?
A file is nothing but a term used by database administrators and programmers where data is stored in a specific format. In short, a file is where in all the records or sets of records are stored on a computer.
What is each column in the data source called?
They are called 'fields'. For example, the primary key is always a field in the table. If you're looking at a database table in datasheet view (so that it looks like Excel) then each column is a 'field' and each row is a "record". Therefore a field called "Date of Birth" would be part of a record stating all specific "Employee Details" etc.
