SQL Database Designs   Identify the functional dependencies in the following unnormalized table. Convert the table to third normal form. TRIP (TRIP_ID, TRIP_NAME, STATE_ABBREVIATION, STATE_NAME, (GUIDE_NUM, GUIDE_LAST, GUIDE_FIRST))

Q: 4) How many instructors are advising more than three students? 5) Which department has the highest…

A: Here, we have to fetch result based on id present in advisors table   select i.* from instructors i…

Q: Consider the following schema and answer the following SQL queries. Employee ( person_name , street,…

A: Hey, since multiple sub part questions posted, we will answer first three sub part questions…

Q: SQL DDL corresponding to this schema (i.e. the CREATE TABLE statements Database Schema: branch (…

A: To create primary key,  create table tableName(colName datatype primary key);  To create foreign…

Q: On what attributes should indexes be defined to speed upthis query? Give the reasons?

A: Actually, given question regarding query.

Q: Hospital tables Assignment ITDR2106-21SP Assignment #1  Create tables based on the below given…

A: Since you have asked multiple questions, according to the company's policy we will solve the first…

Q: Write an SQL Statement to list ItemNumber and ItemDescription for all items that cost more than…

A: WHERE clause: In SQL, the WHERE clause specifies that a DML statement should only affect rows that…

Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…

A: Solution: Given: Given  the relational database schema for the COMPANY database   To Find:   Find…

Q: List, in alphabetical order, the names of all patients who had consultations after 01 January 2018.…

A: 6.2   Select pt.Pat_Name ,cs.Con_Date FROM patient pt JOIN Consultation cs ON pt.pat_id=cs.pat_id…

Q: Which of the following is false: A. Tables are joined by using primary key/foreign key combinations…

A: The following statement is false B. A primary key can consist of more than one attribute

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A:

Q: How can primary keys and the linking of tables in a relational database affect controls?​

A:

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A: Conversion of above ER diagram to relationship schema is in step 2.

Q: 4. Show the result of the following queries as it would apply to the database state given above. 1.…

A: All distinct student names from Student table whose Major is CS are displayed Name Smith…

Q: Specify the following queries on the database schema shown in Figure attached using queries in SQL…

A: Question 1: In order to solve the above query, we need to join two tables named PROJECT and…

Q: Use the below diagram to create a database using SQL Server database. Name the database as…

A: Given : Use the diagram to create a database using SQL Server database. Name the database as…

Q: Question#4 Answer below question, considering the relational database as represented in the…

A: Attaching the query:- Explanation:- In this we have to find all those customers with bank account…

Q: QUESTION 22 When identifying functional dependencies, the sequence/ordering of columns in a database…

A: Answer question 22 is given below

Q: Consider the following database schema designed to store information about Books, and Chapters. Book…

A: Here, I have to write queries for the above question.

Q: Without using DISTINCT, write the SQL query equivalent to the following one SELECT DISTINCT…

A: The DISTINCT statement: The SELECT DISTINCT statement is used to show the distinct (different)…

Q: Retrieve the average salary of all employees who works for 'Administration' department    2. For…

A: 1. Retrieve the average salary of all employees who works for 'Administration' department SELECT AVG…

Q: Q1/ Consider the education database with student and school tables, where the primary keys are…

A: Given :

Q: By removing columns that meet particular criteria, the select process in a relational database may…

A: INTRODUCTION: DATABASE: It is a collection of information that has been methodically organized. They…

Q: or false? When a column in a database table does not contain any data, it is referred to as

A: Each column refers to an attribute and each column values refer to value of that attribute.

Q: What does an attribute refer to in relational database terminology? A:A table B: A tuple C: A row D:…

A: - We need to highlight the term which is used to refer attribute in relational database terminology.…

Q: Realtional database SQL question 14) If  Tables T1 and T2 are connected as „one to one”  than :…

A: Given If Tables T1 and T2 are connected as „one to one” than : Both tables must have the same…

Q: Database System Practical Examimenation Assume you have the following database system relations:…

A: SQL Server Query to create tables   Note: Dear user, as per company policy we can answer only first…

Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…

A: Answer: select sum(Hours) from WORKS_ON group by Essn having Essn = (select Mgr_ssn from…

Q: Consider the 2 tables TI and T2 shown in Figure. Show the results of the subsequent operations with…

A: Relational algebra is a procedural query language that takes relational inputs and gives relations…

Q: In relational database terminology, what does an attribute mean?  A:A table B: A tuple C: A row D:…

A: A database is organised collection of data where data operations are easy and fast. A database…

Q: Consider the Movie Stars database that contains the following relations: StarsIn(movieTitle,…

A: PART I : Database and Table creation This demonstration is using SQL Server 2014 for database and…

Q: Describe the three parts involved in any SQL-based relational database application

A: Given: Describe the three parts involved in any SQL-based relational database application

Q: Show the result of the following queries as it would apply to the database state given above. 1.…

A: I cannot see any database here, Please repost the question with the database.

Q: Define Null in a database table and write any three features of Null.

A: In the database, NULL is no value that is not zero. The table in the database contains NULL value…

Q: Is 0 (zero) and NULL equivalent in database table? Explain with reason.

A: Answer :  --   No both are not equivalent

Q: Consider the following database schema designed to store information about Books, and Chapters. Book…

A: The left join keyword returns all records from the left table and the matching records from the…

Q: Answer All the questions: Consider the below Student table and write the appropriate relational…

A: The answer is given in step 2.

Q: Create a concept map (with arrows) showing the relationship between the following terms: Data type,…

A: Database: The database is a collection of inter-related data which is used to retrieve,insert and…

Q: 6. Conduct the 1NF then the 2NF for the Book Store Database - DraftTable, then write the resulted…

A: Normalization: It is a process of decomposition of large table into a small number of tables.A…

Q: Hospital tables   Create tables based on the below given relational model. Define your own data…

A: 1. create table patients (patient_id number primary key, name varchar2(200),insurance…

Q: ure1) up to at least 3NF.

A: Attributes, Each entity is described through a set of attributes (eg., Employee = (Name, Address,…

Q: Explain with example the difference between WHERE and HAVING clause of SQL statement in context of…

A: Difference- The WHERE clause is used in the selection of rows according to given conditions whereas…

Q: In order to improve the performance of a database used primarily used for writing reports, it might…

A: When there is a requirement for reports writing from the database, there is always a requirement for…

Q: Convert the following ER diagram into a relational database schema, be certain to indicate primary…

A: The main entities of the given ER diagram are: LOT ProductionUnit RawMaterials Hence the…

Q: Based on the ERD below, write the SQL statement to change the job description of “Database Designer”…

A: Update JOB Set JOB_DESCRIPTION = 'Database Developer' Where JOB_DESCRIPTION = 'Database Designer'…

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A: We need to create our own database. To create our own database as : Create database University;…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.