You may create results by putting the following clauses into operation on a database of your choosing. (Please write the question and provide a screenshot of your implementation.)the options are as follows: iv) View v) Group By vi) Order By vii) Like

Q2: Design Database for the following scenario and Write SQL queries. Create an ERD for the following scenario. Suppose there is a grocery store near your house. Following can be considered for ERD: A grocery store may have more than one employee. A grocery store has exactly one manager. The manager has one or more sales men working under him. Grocery store has more than one portion for the products. • Each product has a barcode, name, expired date. Many customers can busy many products, but each product is bought by only one customer. Each customer will get an invoice for his /her purchase. The bill invoice has an id.

Subtitle Dictate Font Paragraph A Select v Styles Editing Voice Question 5I Consider the following database instance. For each of the following questions, show the contents of the database (1,e, re-draw the tables showing the data) after performing the given SQL statements. Assume each SQL statement is performed on the original database instance considering the effect of the previous statements, so these are done in the order listed. After each step the data is committed (written) to the database. Table name: Student Primary key: SID SID SNAME 5.1) 2. Fred delete from Student where sid = 1: commit: Mack Shell Table name: Course 5.2) Primary key: CID update Course set cid 5 where cid 1: commit: CID CNAME 1 Finance CIS Table name: Register 5.3) Primary key: SID.CID Foreign key: SID references Student(SID) on delete cascade insert Register values(3,2); commit Foreign key: CID references Course(CID) on update cascade CID SID 2. 5.4) 1 2. update Register set gid = 1 where sid=2 commit…

In a relational database, a select operation is used to minimise the size of a table by eliminating columns that do not fulfil certain constraints.Is this statement true or false?

When working with a relational database, a select operation may be used to reduce the amount of space used by a table by removing columns that meet certain requirements.Is this the right answer or the wrong answer?

Table: Task Primary key: TaskID Foreign key: Team MemberID TaskID 1 2 3 Description Build login screen Implement inventory management Add logo to splahs 1 screen Duration StartDate 2022-05-06 4 10 TeamMemberID 2 1 2022-05-15 1 2022-05-06 2 Write a SQL statement that will add the below row to the Task table. TaskID Description Duration StartDate Team MemberID 3 4 Implement 2022-05-07 email notifications Write a SQL statement that will change the value of the Task description with ID 3 to "Add logo to splash screen".

For the following database scheme Employee(empNo,fName.IName.address.DOB.sex,position.deptNo) Department(deptNo.deptName,mgrEmpNo) Project(projNo.projName,deptNo) WorksOn(empNo.projNo.dateWorked,hoursWorked) Write an SQL statement to find all the details of employees who are female

A company that provides a movie-streaming subscription service uses a relational database to store information on movies to answer customer questions. Each entry in the database contains the following items: Movie ID (the primary key), movie title, year made, movie type, MPAA rating, starring actor #1, starring actor #2, starring actor #3, and director. Movie types are action, comedy, family, drama, horror, science fiction, and western. MPAA ratings are G, PG, PG-13, R, NC-17, and NR (not rated). Using a graphics program, develop an entity-relationship diagram for a database application for this database.

Question Completion Status: QUESTION 23 The first readers-writers problem OA) requires that, once a writer is ready, that writer performs its write as soon as possible OB) is not used to test synchronization primitives OC) requires that no reader will be kept waiting unless a writer has already obtained permission to use the shared database OD) requires that no reader will be kept waiting unless a reader has already obtained permission to use the shared database QUESTION 24 What is the correct order of operations for protecting a critical section using mutex locks? OA) release () followed by acquire() OB) acquire () followed by release () OC) wait () followed by signal () OD) signal () followed by wait () Click Save and Submit to save and submit. Click Save All Answers to save all answers. Search 喝苦

A very large number of Customer objects must be added to the database. Each time a new object is to be added, the following statement is executed to ensure that there is enough space for it: if (number>=capacity) enlarge_database (number+1); Approximately how many simple operations (copying a Customer object from one location to another) must be performed in total when N (N is a very large number) customers are added to the database i. with the new size as specified above, number+1? ii. if the new size calculation is changed to number+100? iii. if the new size calculation is changed to number*2?