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1. Create a subroutine that does the remote blast on the file protein.fa.
2. Pass that returned files from the blast to another subroutine that parses the output and sends it to an outfile. The returned values are the following: name, length, mismatches, and percent identity of the highest scoring hits.
3. You must demonstrate that you can set up an analysis pipeline using BioPerl, subroutines and Object Oriented Perl.
4. The file for processing is in Lecture10, protein.fa.
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
explain exhausitively the problems associated with er diagrams with ellustrations
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
The Transactions- A transaction is definite as the unit of work in a database system. Database systems that deal with a huge number of transactions are also termed as transaction p
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
Enumerate or state the steps in creating a relevant database of a shop.
Define entity integrity and referential integrity. How does SQL allow specification of these? Ans: Entity Integrity Rule- If the attribute A of relation R is a prime attribut
why data in an RDMS need to be normalised
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
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