create a unique Key Index

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: 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: 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: data SCORE gam P-namet-ID clescription guest captain nost TEAM PLA YER Contains エNJURY RE CORDS…

A: SQL Statements to create the database : TEAM(T_ID, CAPTAIN,T_NAME,CITY,COACH)…

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: true /false              The system-defined database used as a template for all “to be created”…

A: Answer to the above question is in step2.

Q: The Driver Relationship team wants to have quick search options for the active drivers. The team…

A: Task 4: INDEX is used search/retrieve data more quickly. It is basically used to speed up query.…

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

A: Lets see the solution.

Q: Create a SQL statement to Add a CHECK constraint on the ROOM_STATUS column in the ROOMS table. It…

A: In step 2, I will create the SQL statement to add a CHECK constraint on the ROOM_STATUS column in…

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: What commands is used for removing (or deleting) a relation forms the SQL database?

A: The Answer is in Below Steps

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: 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: A select operation in a relational database is used to cut down on the size of a table by deleting…

A: Given: In a relational database, a select operation is used to reduce the size of a table by…

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: 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: create the following tables in a database named STUDENT_REGISTRATIONS. Ensure that you create the…

A: in the following section we will be writing the oracle SQL queries for the above mentioned table…

Q: Write down DML commands to add 1 record into each table you have created in picture below. All…

A: DML(Data Manipulation Language) commands are used to create a table, insert records into the table,…

Q: Create a database trigger for the following situations:                       update the…

A: A block of SQL or PL/SQL code that is automatically triggered, by the DBMS when some specific data…

Q: How is a composite key different than a single key? a) It can be referenced by a forign key b) It…

A: The question is asking about the differences between a composite key and a single key in the context…

Q: Alter the PROPERTY table by changing the OWNER_NUM field to refer to the OWNER table. Retrieve the…

A: In this question we have been given some database task related to SQL database Let's query out the…

Q: Problem: JMS TechWizards is a local company that provides technical services to several small…

A: Note: - As per our guidelines we can only answer one question at a time. Please resubmit the other…

Q: The Car Maintenance team considered that the available maintenance tasks should also have the price…

A: TASK 1: -- Creating a new table MAINTENANCE_TYPES with following fields create table…

Q: . Foreign key is the one in which the ________ of one relation is referenced in another relation. a.…

A: In DBMS, keys are used to uniquely identify data in a table. Multiple keys from different tables can…

Q: Create a table named "student" with the following columns/fields: 1. id - integer not null primary…

A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…