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In which form of relational database developer refers to a record?In a tuple form of relational database developer refers to a record.
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
What is Relational Algebra? Relational algebra is a Procedural query Language?
What is a Name? A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
The Maximum no of key fields that can be used in a header is?? 50
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
Differentiate between B-tree and B + tree Ans: A B-tree (or Balanced Tree) is a search tree along with additional constraints that makes sure that the tree is all the time
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
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