A(n) _____ is s field or set of fields in a record that uniquely defines the record.

What are the four basic types of operations for a database application?  a. Insert, Select, Update, and Delete b. Insert, Update, Delete, and Create c. Insert, Update, Delete, and Render d. Insert, Select, Update, and Render   If stringa="Good Morning", what is the value of stringa[1:5]? a. "Good " b. "ood " c. "Good" d. "ood M" The instance that “a survey respondent in service occupation (x) is less likely to report income ” is an example of __________ .  a. Missing completely at random. b. Missing at random. c. Missing not at random. d. None of the above.

create a new database (named MyUniversity), the creation (using the CREATE command) shouldbe done once. The database is now created and saved locally on your computer. When you close the workbench and reopen it again, no need to re-run this CREATE command again (the compiler will give you an error, as the database you would like to create was already created) Task Description: consider the following relations for a university: Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer) Department (did: integer, dname: string(30 chars), capacity: integer) Course (cid: integer, cname: string(50 chars), credit: integer) Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real) studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the…

Create new class DbConn containing a connection string and a single function to insert,update and delete records. It takes query as input and return boolean.• Error correction in search and update records.• Create another function in DbConn to search records that returns the ResultSet.

Which of the keys below are not supported by a relational database?     a. Foreign keys   b. Composite keys   c. Dynamic keys   d. Primary keys

Create a new database (named MyUniversity) Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer) Department (did: integer, dname: string(30 chars), capacity: integer) Course (cid: integer, cname: string(50 chars), credit: integer) Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real) studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the primary key of the department relation. Using SQL create these relations under the MyUniversity database. Place the constraints (e.g., default values, check, primary keys) you find appropriate:

Create a new database (named MyUniversity) Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer) Department (did: integer, dname: string(30 chars), capacity: integer) Course (cid: integer, cname: string(50 chars), credit: integer) Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real) studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the primary key of the department relation. Using SQL, develop and execute the following queries: For each student with GPA between 2.5 (included) and 3.5 (included), display the student’s name, GPA,and his/her department ID. Sort the results by the students’ IDs in descending order. For each student who joined the Computer Science department between 2018 (included) and 2020(included), display…

Create a new database (named MyUniversity) Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer) Department (did: integer, dname: string(30 chars), capacity: integer) Course (cid: integer, cname: string(50 chars), credit: integer) Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real) studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the primary key of the department relation. Using SQL, insert (random but meaningful) data records in the above tables. Create at least four different courses that include Operating Systems (3 credit hours), Data Bases (4 credithours), and Marketing (5 credit hours) courses – consider one more course. Create three departments that include a Computer Science department and a Business department…

Create a GUI APPLICATION in JAVA PROGRAMMING LANGUAGE based on the following conditions :• Adding new record• Deleting record• Read all the record from the database• Searching record by using StudentID• Searching record by using CourseID• Sort Data by TotalScore• Exit the application.Detailed Steps are as follows ::: There will entry (Unique ID) of all the employee of any Organization. According to the date of joining and date up to which salary is created, Number of days will be entered. Basic pay will be defined according to the post of employee and department. Then component like medical allowance will be added, and Charges of Hostel/ Bus, Security, welfare fund and other will be deducted. Number of leaves taken by the employee. INSTRUCT ME WITH FULL DETAILS ON HOW TO DO THE NEXT STEPS IN MY IDE, LIKE HOW TO COPY AND PASTE THE CODE, AND ADDITIONAL APPLICATIONS, DON'T SEND ME FAKE AND IRRELEVANT SOLUTIONS WHICH IS ALREADY IN THE CHEGG. I WILL DIRECTLY REPORT YOUR SOLUTIONS

Which of the keys below are not supported by a relational database?     a. Foreign keys   b. Composite keys   c. Dynamic keys   d. Primary keys   In InfluxDB, it is advantageous to store data used in search queries using tags rather than fields. What is the advantage of storing data in tags over fields?   a.      Tags are indexed which improves search speed.     b. Tags retain the datatype of the data whereas fields converting every data to string.     c.   It is easier to write search query using tags rather than fields.     d.  Data stored in tags can be easily exported to other formats.     Our Neo4j database consists of ‘Student’ and ‘Course’ nodes. A student node is connected to course node via a relationship ‘STUDIES_IN’. Write a query to retrieve all courses that the student ‘Peter Parker’ is enrolled in?   a. a)      RETURN c WHERE (: Student { name: ‘Peter Parker’ }) –[:STUDIES_IN]-> (c:Course)     b.…

create Database  CTU_YOURICASNOGOUSE CTU_YOURICASNO;GOCREATE TABLE Course(    CourseID int PRIMARY KEY,    CourseName varchar(255),    CourseDesc varchar(255),);CREATE TABLE Students(    ICASNo int Primary Key,    StudentName varchar (255)NOT NULL,    StudentSurname varchar (255)NOT NULL,    StudentContact varchar (255)NOT NULL,    StudentEmail varchar(255)NOT NULL,    HighSchoolAttended varchar(255)NOT NULL,    courseID int,);CREATE TABLE Semester(    SemesterID int Primary Key,    SemesterStartDate varchar(255)NOT NULL,    SemesterEndDate varchar(255)NOT NULL,    ICASNo varchar(255),);CREATE TABLE Facilitator(    FacilitatorID int Primary Key,    FacilitatorName varchar(255) Not Null,    FacilitatorContact varchar(255)Not Null,    FacilitatorEmail varchar(255)Not Null,    ICASNo varchar(255)Not Null,    );    CREATE TABLE Module(    ModuleID int Primary Key,    ModuelName varchar(255)Not Null,    ModuleDuration varchar(255)Not Null,    FacilitatorID varchar(255)Not Null,); Using the…

Which of the following is an organized collection of related information stored in a computer file? a. database b. dataset c. field d. record

·        Make an Application called “ Student Management System ” that connect with database called university , the database contain 3 Tables o   Student Table \ this Table contain all Data About Student in University { 1.      Id --- int , primarykey 2.      Name --- String 3.      Gpa --- Double 4.      College --- IT 5.      Age --- int } o   Course Table \ this Table contain all Data About Courses in University { 1. CourseId ---- String 2. CourseName ---- String 3. TeacherName ---- String 4. college ---- String 5. number Of Student ---- int } o   Student-Course Table \ this table contain a foreign key for both table “ Student and Course ” and contain data about the student who takes some courses or a courses that have number of Student { studentID --- int , foreign key from Student Table courseID --- int , foreign key from Course Table }

Programming with Microsoft Visual Basic 2017

ISBN:9781337102124

Author:Diane Zak

Publisher:Cengage Learning