Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects:
Start date must be supplied.Start date cannot be in the past. Finish date must be on or later than the start date.Must have a supervisor value (supervised by cannot be null).For ActivitiesLocation must be supplied. Finish time can be no later than 11.00pm.Number of volunteers required must be greater than zero.Date cannot be in the past.Information requests
Create queries to answer the following information requests. Note: Do not use the Access query builder (QBE) to create your queries - you should type the queries in manually using SQL view.
1. List details (type, name) of all assets with a type of "Skill". Sort the list in alphabetical order of asset name.2. List all details of projects that have been finished in the last ten days.Hint: Use DateDiff function.3. List the name and contact details of any members who have not yet volunteered for an activity. Note: It is not possible to answer this query with an inner join.4. List the name of each member who may be able to contribute a trailer to a project.5. How many members are able to provide cooking skills? Your result should be a single column with the heading ‘Number of Cooks'. 6. For each project, show the project name and the total number of volunteers required for all activities associated with that project.
What is the meaning of Data Independence ?
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
Do the 11.1 11.1 Credit Card Use. Consider the following hypothetical bank data on consumers’ use of credit card credit facilities in Table 11.3. Create a small worksheet in Exce
Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.
Normal 0 false false false EN-US X-NONE X-NONE
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
What is meant by heuristic optimisation? Discuss the main heuristics that are applied during query optimisation. Ans: In heuristic optimization, heuristics are employed to r
Type of database technology
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd