create a unique Key Index

Q: Question 1: b) Given a 3*3 array below: 18 19 26 11 24 15 Write a program in C++ language to find…

A: This question comes from C++ Programming Language which is a paper of computer science. Let's…

Q: How can a key unique index be created?

A: The CREATE UNIQUE INDEX command forms a exclusive index on a table  where no duplicate values…

Q: create database CTU__YourICASNo GO USE CTU__YourICASNo; GO CREATE TABLE Course(     CourseID int…

A: Table Course: Table Students: Table Semester: Table Facilitator: Table Module:

Q: Q#1 Insert two records in each table or use if you have already created this schema. Q#2 Display…

A: Summary: In this question, we need to create the given schema using SQL and perform the given…

Q: Q2/ write SQL commands to create tables of a Bank database, where these tables will have the…

A:

Q: In Foreign Key Concept which of the following operation on referencing table will cause violation to…

A: In Foreign key concept referencing table is the table which contains the foreign key attribute.  The…

Q: create Database  CTU_YOURICASNO GO USE CTU_YOURICASNO; GO CREATE TABLE Course(     CourseID int…

A: Given: Using the INSERT statement, Add five rows of distinct dummy data per table. On the course…

Q: Write a query to display the book number, title, and replacement cost for all books in the…

A: The below query displays the book number, title, and replacement cost for all books in the database…

Q: A composite key is a column containing unique information. a. True b. False

A: To uniquely identify a record, a composite key consists of multiple attributes. However, this is not…

Q: Create a database named book-collection-db and table named: bookcollect. Your table should contain…

A: To create a new database in MySQL, you use the CREATE DATABASE statement  Use a CREATE TABLE…

Q: erry must be correct.  Refer the attach tables.

A: This has been coded using MySQL.

Q: Using MongoDb do the following activities Create database named First. Create a collection named…

A: 1. use First 2. db.createCollection("dbase6211")

Q: Please describe the Index metadata relationship in its normalized form, as well as the reasons why…

A: In a database system, indexes are used to speed up record retrieval.A directory in a file is similar…

Q: First Task: Create Database using PHPMyAdmin that includes two tables: 1. Order (OID, Price, and…

A: Given Task :  Create Database: purchasing  Number of tables: 2 Table 1 :  Name: Order Attributes:…

Q: The Car Maintenance team also wants to store the actual maintenance operations in the database. The…

A: DELETE CASCADE: - When we constitute a foreign key using this option, it deletes the referencing…

Q: When creating DB tables that contain foreign key references to other tables, you must: first create…

A: Ans 1: When creating DB tables that contain foreign key references to other tables , you must : a)…

Q: reate PHP Index that can generate qr code & web scanner to read qr information & display its log.…

A: Lets see the solution.

Q: how to create a metadeta fore this SQL script: -- creating the clinic DataBase CREATE DATABASE…

A: Answer is given  below.

Q: CREATE TABLE keyvalue (  id SERIAL,  key VARCHAR(128) UNIQUE,  value VARCHAR(128) UNIQUE,…

A: The required stored procedure is given below   CREATE PROCEDURE dbo.keyValue AS BEGIN   UPDATE…

Q: What is the index? What are the different types of index?

A: The answer is

Q: What is a unique key?

A: What is a unique key?

Q: Using SQL, insert at least 2 rows for each table. CourseCodes-SCI1 and SCI2 and one section each in…

A: Please check the step 2 for solution

Q: What data types would you use for the attributes in this entity? How would you code a CREATE TABLE…

A: In a database management system (DBMS), an attribute is a piece of data that describes an entity.…

Q: An index may help speed up searches, but creating an index for every property or combination of…

A: Overview: Creating indexes for every trait and every combination of features that may be used as…

Q: BANK BRANCHES BANK-BRANCH Code Name Addr Addr BranchNo ACCTS N LOANS AcctNo Balance LoanNo Amount…

A: An entity relationship model describes interrelated things of interest in a specific domain of…

Q: When a view is destroyed, what happens to the data that was previously presented by the view?

A: Introduction: An Oracle view is a named and verified SQL query that is saved in the Oracle…

Q: Create the database and table in MYSQL, PhpMyAdmin as shown below in the screenshot: Database Name:…

A: I have provided answer in step2.

Q: Primary keys and candidate keys may both be assigned to the same attribute.

A: In relational databases, keys are attributes or combinations of features that can be used to…

Q: First Task: Create Database using PHPMyAdmin that includes two tables: 1. Order (OID, Price, and…

A: Below are the required queries:

Q: When a view is destroyed, what happens to the data that was previously presented by the view?

A: The purpose of ViewModel is to encapsulate the data for a UI controller to let the data survive…

Q: What distinguishes a primary key from a candidate key or a superkey?

A: Distinguishing between the words primary key, candidate key, and super key

Q: What is candidate key?

A: All the attributes used to determine the tuple (row) in a table is a candidate key. A super key…

Q: Create the following table in your database with the following schema: Table: Sessions | Column Name…

A: 1. The SQL query to create Sessions table with the columns session_id and duration is: Create table…

Q: A foreign key in a relational database table is (n): A Set of attribute values in a table. B…

A: Please find the answer below

Q: Which of the following queries would count how many people have each flavor as their favorite and…

A: SELECT F.FLAVOR_ID, F.FLAVOR_NAME, COUNT(P.PERSON_ID) FROM PEOPLE P, ICE_CREAM_FLAVORS I WHERE…

Q: Complete following statement to enable a role 'crk_prep' with password 'database'. SET ROLE crk_prep

A: Find the required answer given as below :

Q: Show the list of courses numbers that are taken at least once by students. The course should appear…

A: So, all the unique course numbers has to be printed So, for this you can make use of DISTINCT…

Q: pdate you’re the database created in week5: lab5. Write some MYSQL code to select three different…

A: For deleting a row in a table, it is important to make sure that there are no deletion anomaly…