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Differance between Open addressing and chaining for collision resolution ?
In open addressing, proceeding from the occupied position specified by hash address the program checks the subsequent positions in order until an unused (empty) position is found.
Chaining: In this method various overflow locations are kept, commonly by extending the way with a number of overflow positions. In addition, a pointer field is added to each record location. A collision is resolved by placing the latest record in an unused overflow location and setting the pointer of occupied hash address location to the address of in which overflow location. A linked list of overflow records for every hash address is therefore maintained.
HOW MANY TYPES OF VIEWS
sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account
project on dbms
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
FDs in Relationships: Enrols Relationship: None as it is many to many Teaches Relationship : Course code → Instructor Instructor → Course code The next question is:
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
The C_Artist application will be developed using the C language (C99 standards) and will be able to compile without warnings and link and run in the Swinburne computer laboratorie
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
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