Created by: paul01234
Número de Blosarios: 51
ஒன்றோடு ஒன்று நெருக்கமாகத் தொடர்புடைய நெடுவரிசைகளின் தொகுப்பே அட்டவணை ஆகும். அட்டவணைகளில் வழக்கமாக தொடர்புடைய தரவுத்தளம் இருக்கும். இப்படிப்பட்ட தொடர்புடைய மாதிரியில், "relation" என்ற சொல் வழக்கமாக ...
It is a collection of closely related columns. Tables usually comprise a relational database. In a relational model, the "relation' is used to refer to a table, the "tuple" is used ...
A structured query language used for the manipulation and management of data in a relational database. This is also an industry-standard language. Examples of commonly used SQL commands are SELECT, ...
An association among several entities. The relationship between and among entities may be one to one, one to many, and many to many.
Comprised of a collection of tables which are individually assigned with a unique name. The relational database is the primary database model currently used for commercial-data processing ...
A database concept which guarantees that the relationships between the tables in a database remain consistent. This also ensures that a relation for a given set of attributes can also be found in a ...
The primary means for retrieving information from a database. This consists of questions given to the database in predefined format. A large number of database management systems use the standard ...