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Explain the Dynamic Hashing Techniques
There are two methods in it: extendible hashing - stores an access structure in addition to the file, and therefore is somewhat identical to indexing. The major difference is that the access structure is based upon the values that the result after application of the hash functions to the search field. The second one is, linear hashing - does not need additional access structures.
Log based recovery: Let us first describe the term transaction log in the context of DBMS. A transaction log is a record in DBMS that remains track of all the transactions of a dat
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
What is inheritance? Inheritance is an object orientation concept that allows reusability of code / design. Basic sense of inheritance is that if one class is predefined than a
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a picto
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
A database for the Service and Maintenance (SM) section of a Computer sales and service Company has to be developed. SM gives after sales service to customers. SM branch has a numb
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
East Coast Aquarium Relational Database
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