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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
need to get answer for questions 3&4 on this page in part 1
Define Sequence A sequence is a set of integers 1, 2, 3 that are generated in order on demand. Sequences are regularly used in databases because lots of applications require ev
Question (a) Differentiate between the following terms: (i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Hete
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
An entity set that does not have sufficient attributes to form a primary key is called? An entity set that doesn't have sufficient attribute to form a primary key is known as w
What is relational model feature? A relational model feature is much more data independence than some other database models.
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is a candidate key? Minimal super keys are known as candidate keys.
What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
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