all employees. Hint: consider using a nested query.Figure 2 SELECT Dname‚ count(dno) FROM employee INNER JOIN department ON employee.dno = department.dnumber WHERE sex = ’M’ GROUP BY Dno HAVING (AVG(Salary) > 30000); Question 3 Create an ER diagram for the following case. Write your assumptions about any missing information: You are working for a consulting company and want to create a very simple database. This database will be used to track problems clients are having and the consultants
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Schedule for Week dated from 28/7 to 28/8 Planned Task(s) Actual Work Done (Please provide brief description if there is a deviation from planned tasks) Verified by (Organization Mentor’s Initial) Date (D/M/Y) Design ER Diagram and draw the storyboard of frontend. Finish the frontend with UI of the booking system. Finish the backend of the booking system. Finish the frontend of event system. Presentation of the system In this week‚ we can actually finish the task.
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spent planning for this next child so that they could both take on childcare responsibilities while in school. Ms. Sackler was studying sociology as well as doing interview research with young adults. Her interview schedule was approved by her university’s institutional review board‚ and normally took place in the homes of her research subjects. One evening‚ she set up an interview at a subject’s house and Mrs. Sackler noticed the subject was being usually friendly. When it became uncomfortable
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Analogy __________Cell Activities; Contains genetic information (___________) contains _______________ that makes __________________ City Hall _________ ER – With _________; _________ ER – No ribosomes; System of channels to __________ substances throughout cell Roadway Makes ____________; Can be attached to ER or free in cytoplasm Factories for local products Responsible for __________ and ________________ of cell products Post office Site of ________production (ATP)
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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components of enterprise and how they are related 2. Then convert E-R diagram to SQL DDL‚ or whatever database model you are using E-R Model is not SQL based. It ’s not limited to any particular DBMS. It is a conceptual and semantic model – captures meanings rather than an actual implementation The E-R Model: The enterprise is viewed as set of * Entities * Relationships among entities Symbols used in E-R Diagram * Entity – rectangle * Attribute – oval * Relationship – diamond
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steady state. a) Draw a °ow diagram for the entire process. Include °ow paths for students (solid lines) and prescriptions (dashed lines). b) What is the average time in the pharmacy for those students who stay to pick-up their Rxs? c) What is the average time in the pharmacy for those students who pick-up 3 hours later (i.e.‚ they go home after dropping the Rx o®)? d) What is the average time that a student spends in the pharmacy? 3. A hospital emergency room (ER) is currently organized so
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Management‚ teaching staff and also for parents of the college students.to implement this online application we have used PHP‚ java Script and My SQL database with 10GB hard disk‚128MB RAM. The designing parts of the project focus on ER diagram‚ where this diagram consists all modules like details of the system. Teacher contains the teach ID‚ name and teaching subject name. The instructor can check the status of student attendance the classes in month wise or team ‚giving the seminars or not‚ giving
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X. Methodology In order to investigate the relationship between Ole Miss racial image change and its brand equity the researchers performed a case study on the antecedents in the diagram. A case study is defined as a qualitative approach in which “the researcher explores real-life‚ contemporary bounded system(s) over time‚ through detailed‚ in-depth data collection involving multiple sources of information‚ and reports a case description and case themes” (Baxter & Jack‚ 2008). A case study attempts
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between two entities exists when each occurrence of the first entity is related to many occurrences of the second entity and each occurrence of the second entity is related to only one occurrence of the first entity. 7.What is an ER diagram? An entity-relationship (E-R) diagram represents a database visually by using a rectangle for each entity that includes the entity’s name above the rectangle and the entity’s columns inside the rectangle‚ using a line to connect two entities that have a relationship
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