Answer the following questions according to the figure which shows the ERD(Entity Relationship Diagram) of the Hospital system: What is the command of SQL language used to delete the whole table?

Q: Explain the following statement regarding SQL: Any query that can be written using the subquery…

A:

Q: Using the SQL programming language, how would one go about changing the structure of an existing…

A: ALTER table command The structure of a table can be changed using the ALTER TABLE command.  It can…

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: describe any three functions

A: Although a Boolean type is required by the SQL:1999 standard, many commercial SQL servers (Oracle…

Q: Write a SQL statement to get the list of all the team members in the database. Include only the name…

A: Given two tables are TeamMember and Task The attributes of TeamMember table are TeamMemberID,…

Q: Describe why it is necessary to define processing rights and duties. How are such obligations…

A: The above question is solved in step 2:-

Q: Write an SQL query to remove the product "RADAR" from the client_details.

A: SQL Query is provided in step 2.

Q: what is the difference between Relation DB and No SQL ?

A: Given:   what is the difference between Relation DB and No SQL ?

Q: A generally adopted SQL standard would provide what six advantages?

A: SQL Standard: In 1986, the American National Standards Institute (ANSI) published SQL as a standard,…

Q: You say that you can present a real-world example of a SQL database and explain how it works, but…

A: According to the information given:- We have to define real-world example of a SQL database

Q: Create a separate table in sql for each entity like job_history , jobs, employees, departments,…

A: The queries of creating and inserting data into tables are given in next steps

Q: . Why separate the interface from the implementation in a PL/SQL package?

A: PL/SQL Package: • A package is a way of logically saving sub-programs in a single unit like a…

Q: Using SQL data definition language, write the SQL statements to  create each of the following…

A: The SQL statements to create each of the following relations.

Q: Using SQL data definition language, write the SQL statements to  create each of the following…

A: The SQL data definitional language (DDL) contains Create, Alter, Truncate and Drop commands. i. The…

Q: What exactly is SQL, and why is it such a popular database language?

A: Introduction SQL stands for Structured Query Language, and it is a programming language used to…

Q: How would one go about modifying the structure of a table using the SQL language? Which of these…

A: Start: A table structure will include information on the fields' names, as well as their sizes and…

Q: Refer the below listed schema diagram to develop the SQL query to display the names of all students…

A: Sql query to display the names of all students who have secured more than 50 in all subjects that…

Q: Give an example of a real-world SQL Database and explain it?

A: Introduction: SQL Databases use Structured Query Languages and are part of Relational Database…

Q: Explain and provide at least one example of how to qualify the ownership of a table in SQL. What has…

A: Given: Explain and provide at least one example of how to qualify the ownership of a table in SQL.…

Q: Could you go into further detail about SQL?

A: Structured Query Language (SQL) is defined as a standard language which  lets you access and…

Q: Write an SQL statement to add three new rows to the PET_OWNER table.Assume that OwnerID is a…

A: Given: Write an SQL statement to add three new rows to the PET_OWNER table.Assume that OwnerID is a…

Q: Which were the original purposes of the SQL standard?

A: The original purpose of the SQL standard is to provide a means of querying database statements more…

Q: of a relational data

A: Ans 1  Event with date - Select * from customer where event_date between 'yyyy--mm--dd' and…

Q: In what order are the clauses of an SQL statement processed?

A: GIVEN: In what order are the clauses of an SQL statement processed?

Q: Write a detailed reflection on “Comparison of NoSQL and SQL Databases in the Cloud”.

A: NoSQL Database:  These database are non tabular, and store data differently than relational tables.…

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: Write about something that you learned in the relational data model that you feel is important.  Is…

A: Write about something that you learned in the relational data model that you feel is important.  Is…

Q: Given the following database schema, write relational algebra (not SQL) expressions for the…

A: To list names of manufaturers and the names of parts they produced, use the below relation algebra:…

Q: Create a SQL statement of a read-only view, name it as ViewE, that will contain Gender and the…

A: SQL (Structured Query Language) is a standard programming language that used to manage relational…

Q: Within which clauses of an SQL statement can a derived table be defined?

A: Given data is shown below: Within which clauses of an SQL statement can a derived table be…

Q: Which artist has had the most works of art sold, and how many of the artist’s works have been sold?

A: MySQL:- SQL stands for Structured Query language. Oracle Corporation develops, distributes, and…

Q: Using the university schema, write an SQL query to find the names of thosedepartments whose budget…

A: QUERY USED:- select d2.dept_name,d2.budget from depart d1,depart d2 where d1.dept_name='philosophy'…

Q: Give an example of a SQL statement that uses the DUAL table and explain what it does. Please be as…

A: DUAL table is a single row single column table , which is automatically generated when the database…

Q: Given the following relational tables Patient (SSN, Name, Surname, DateOfBirth, Gender) Vaccine…

A: Let's understand step by step :   1. Given 4 tables : 1. Patient ( SSN , Name , Surname ,…

Q: Using SQL data definition language, write the SQL statements to create each of the following…

A: Let's create SQL statement for each of the given relations: 1. CREATE TABLE Student ( StudentID int,…

Q: a real-world SQL database will be shown and discussed in deta

A: Description:   1- Let's start with the database. The main purpose of the database organized the…

Q: What is an index, exactly? What are the benefits and drawbacks of indexing? How exactly does one go…

A: SQL(Structured Query Language):- It is a standard language for accessing and manipulating databases.…

Q: What is the best way to get the MySQL console to run? How to use specific SQL commands to update,…

A: MySQL is an open-source relational database management system. Its name is a combination of "My",…

Q: Give and describe an example of a real-world SQL database.

A: According to the question SQL Database use structured query language and have a predefined schema…

Q: Refer the below listed schema diagram to develop the SQL query to display the names of all students…

A: Given in the question that we have to develop the SQL query to find the names of all students who…

Q: Explain Sample Java code snippet for an SQL transaction?

A: Table Data before SQL transaction:

Q: Convert this ER diagram to a relational model diagram in my SQL or else

A: Here we will Convert the ER diagram to a relational model diagram in my SQL or else

Q: Write the SQL syntax to create a table in the database called Employee with the employee first and…

A: Please find the answer below

Q: so 1NF,2NF and 3NF a simple and detailed explanation

A: normalization on sql is

Q: t utilizing the SQL programming language to change the format of an existing table? Which of these…

A: Summary First, you will start with a brief overview of the significance of learning SQL for data…

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.