Write the appropriate SQL query for each of the following questions: 1) Display details of ALL the clubs running by the college 2) Display the details of the IT club (IT is the name of the club)
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Write the appropriate SQL query for each of the following questions:
1) Display details of ALL the clubs running by the college
2) Display the details of the IT club (IT is the name of the club)
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- Consider an employee database with two relationsemployee (employee_name, street, city)works (employee_name, company_name, salary) where the primary keys are underlined. Write a function avg_salary that takes a company name as an argument and finds the average salary of employees at thatcompany. Then, write an SQL statement, using that function, to find companieswhose employees earn a higher salary, on average, than the average salary at“First Bank”.WRITE THE CODE OF MYSQL IN PYTHON Create database and tables as given below by using Python. (a) Market database (b) Vendor: vendor_id integer, vendor_name varchar, license_start date, license_end date (c) Item: item_id integer, item_name varchar, item_type varchar, previous_price float, last_sold_date date (d) Auction: auction_id integer, vendor_id integer, item_id integer, price float Choose primary and foreign keys depending on the relations in Market database design.Given the following relational database schema: Student = (SSN, Name, Major) Course = ( CourseNumber, PrerequisiteCourseNumber, Course Title, NumberUnits) Section = ( CourseNumber, Quarter, RoomNumber, DayTime), where DayTime is of the form MW 1:00-2:00PM. Enrollment = (SSN,CourseNumber, Quarter, Grade)// Grade is either Null or a letter grade. Express the following queries using appropriate SQL statements with a minimum number of operations: (a) List the name, SSN and number of courses the student has taken and completed, i.e. received a letter grade (courses with the same CourseNumber taken in different quarters are counted as different courses). (b) List the name, SSN and number of courses the student has taken and completed with a letter grade C or better (courses with the same CourseNumber taken in different quarters are counted as different courses). (c) List the Course Title and CourseNumber which does not have any prerequisite. (d) List the name of every student and SSN who…
- This question is related to the Database:- Suppose you are creating a database for a library management system. Explain how you would make a table for the "books" entity and insert some sample data, and then alter the table to add a new column for the "authorID" attribute and update "authorID" with some data. Finally, make a SQL query to retrieve all the books that were published after the year 2000. Note that this book schema has several columns, including "book_id" as the primary key, "title", "authorN", "publisher", "publication_year", "isbn", "language", and "num_pages". It also includes "available" column that is set to "true" by default and can be used to track the availability of the book. Please don't use handwriting...Suppose that we need to construct an SQLite database containing the below table of details of six pets. Id Name Animal Gender 1 Blue Dog Male 2 Luna Dog Female 3 Mena GuineaPig Female 4 Will GuineaPig Male 5 Ginger GuineaPig Male 6 Squeaks GuineaPig Female Write down the Python code to: • create the SQLite database; • create an appropriate table within the said database; • insert the data into the constructed table (an example suffices).Consider the following sales relational database schema for sales. Item (ItemNo: integer, ItemName:string, type:string) Customer (CID:integer, Cname:string, gender: character{ ’F’-Female, ‘M’-Male}) Sales (SalesID:integer, ItemNo:ineteger, CID:intger, price:double) Write the following queries in SQL. Display ItemName and type for all items bought by female customers. Display SalesID and ItemNo of the item with the lowest price.
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- The following query is written in relational algebra.Project[Deposit.aid,Deposit.amount](Select[Deposit.amount>=10000]( Join[aid=aid](Account,Deposit)))Our database system includes the implementation of B+ tree indexes solely. Assume wehave indexes on primary keys of tables and an index on Deposit.amount.Which join algorithm reads less number of pages from the disk: sort-merge join or indexnested loops join?Consider the following database in Prolog:birthday(tom).birthday(fred).birthday(helen),birthday(jack).happy(mary).happy(jane).happy(helen).happy(albert).attendparty(jane).attendparty(helen).hold_party(X): - birthday(X), happy(X) What would be the answer to the following query??- hold party(Who) a. Who = jane.b. Who = mary.c. Who = helen.d. All of the above.e. Who cannot be unified / instantiated.Just return SQL code/query with proper functions for each of the following. No output needed. Database Schema: Beers(name, manf)Bars(name,addr,license)Drinkers(name,addr,phone)Likes(drinker, beer)Sells(bar,beer,price)Frequents(drinker, bar) 1. Find all distinct drinkers whose phone numbers come from area code 917 and who like Budweiser or Bud (synonim!) 2. What beers does Mike like? 3. Which town has the most drinkers? 4. What bars are frequented by drinkers from that town (3)? 5. Provide all bars which serve beers that Mike likes 6. Who likes at least one same beer that Joe or Mike like? 7. All bars which sell at least one beer which is liked by at least one drinker who frequents these bars 8. Drinkers who like some beers sold by Caravan bar 9. Bars which sell Budweiser and are frequented by some drinkers who like Budweiser 10. Bars which are frequented by Mike and Steve 11. Drinker who like at least two beers that Mike likes 12. Bars which sell at least 3 beers that Mike likes (do…