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Create a script file to list the files in a directory in sorted order, showingonlythe file name, file size, and modification date.Each file's attributes must be on one line per file, in any order.The script can have and optional parameter which can be either "-s" or "-t", but not both.If "-s" is a parameter, the sorting is to be by size, with largest first.If "-t" is a parameter, the sorting is to be by modification date, with most recent first.Otherwise the sorting is to be by file name.The script will be named "my_ls2" and must be executable.
How to decide which attribute should be there in the table and schema? How to identify the primary keys, foreign keys, domain, E-R diagram and 20 Queries on the same database.
We want to construct a database for a world-wide package delivery company. Define a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
You are required to design (using an E-R diagram) an entity-relationship model of the problem, convert the model into a relational model, and assess the normal form of each schema.
Create mission statements and mission objectives for database systems explained in the following case study EasyDrive School of Motoring. Also in mission objectives include 10 reports that the database system must support
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
The prototype program should be running without errors throughout the two Phases: Information Gathering and Information Presenting.
The GFF3 format is a commonly-used one in bioinformatics for representing sequence annotation and which ID (cv_id) corresponds to the GO ontology stored in the database and how many controlled vocabulary terms (cvterm table) are linked to the GO onto..
Identify the potential sales and department store transactions that can be stored within the database and design a database solution and the potential business rules that could be used to house the sales transactions of the department store.
Assume a game with two players, A and B, who raise one or both hands concurrently. A wins if total number of hands raised is odd, and B wins in other way.Write down the matrix form of the game. Is there a pure strategy solution? Explain your answer..
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
Design a database for Ray. For each director, list his or her number and name and the year he or she was born. If the director is deceased, list the year of death.
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