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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.
Give short note on the following terms:Dirty pages and ETL a.) Dirty pages. These are buffer pages which comprise modifications which haven't been written to disk. b.
Defining Internal Classes and Operations When we enlarge algorithms, new classes can be added to the store intermediate results. A complex operation could be looked at, as a c
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
Need a sample of a clinic database relationships
Q. What is relational algebra and calculus? Explain the relational algebra operators :- Selection and predicate, set operation, joins and division. Sol. Relational Algebra
1. Create the tables for the play-scheme database as specified in the TMA. 2. Enter the data as given in the spreadsheet. 3. Create queries to retrieve specified information
Consider a database application that deals with an Employee relation with information such as SIN, name, data of birth (DOB), and DID (the ID of the department at which the employe
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