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What is the max. no. Of structures that can be included in a table or structure.
Nine.
An employee record has the following structure struct employee { int eno; char name[22]; float salary; char dept[10];}; (i) Calculate the record size R in bytes.
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
Give some encryption techniques? A) DES B) AES C) Public key encryption
Which database object does not physically exist? A view database object does not physically exist.
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty
Soccer player ER Diagram to Relational database schema
Convert the following ER - diagram (Entity Relationship Diagram) into a relational database (the primary keys are underlined): Ans: The relational database schema f
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