1. What is structured query language and how is it used? 2. What is a primary key? 3. What is a foreign key?

Q: 1. Write the SQL statements to run the following commands: i. Create table Staff with the fields…

A: Here is the all sql query of above problem. See below step for code.

Q: Given the following relational schema (Hint: the bold text represents a primary key), Department…

A: From the above question, we have the condition as ,dept_code and stu_num are primary keys that means…

Q: many-many, many-one, and one-one erd relationship in sql tables? PLEASE USE SIMPLE CROWS FOOT…

A: Answer- Relational database-A relational database table may occasionally be referred to as a…

Q: Explain the two SQL Areas, what type of commands fall under each category, what they can do , how we…

A:

Q: What are the SQL statements that will produce the tables and columns identified below (including…

A: This qus is from the subject SQL . Here we have to put light on the three important type of queries.…

Q: Question:1 Show all data from employee table where name should be in ascending and salary in…

A: Since you have not provided the database name to write the SQL query so I am using MySQL database to…

Q: Fruit(ID, fruit_name, fruit_color, price_KG) Market(market_name, city, street, fruit_name) 1- find…

A: Given  :

Q: Question:1 Show all data from employee table where name should be in ascending and salary in…

A: 5. calculate the percentage of any student and round to 0 digit SELECT cast(round((457/500) *100),0)…

Q: write SQL statements for given questions in order to get familiar to basic SQL data manipulation…

A: The query can be compiled either in MySQL or SQL as the query used will be SQL. The first 3 queries…

Q: • Write an SQL query to print details for employees with the first_name as "“Lex" and "Den" from…

A: PART1: SELECT * FROM EMPLOYEE  WHERE  first_name ="Lex" AND first_name="Den";

Q: • Write an SQL query to print all employee details from employees table sorted based on first_name…

A: 1st answer  SELECT *  FROM  employees  ORDER BY  first_name ASC; 2nd answer  SELECT  *  FROM…

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

A: Given :

Q: SQL1: select name from emp where empid in (select manager_id from depart); SQL2: select name from…

A: Note: Please note that we are only allowed to solve one question in one post. so I am answering the…

Q: Write an SQL query to fetch the list of employees with different salaries.

A: Giving the answer of question no. 1 :

Q: Select the appropriate answer for each of the questions below. 1. A table can have only one a.…

A: Candidate key:  Candidate key can be defined as an attribute or a set of attributes that…

Q: ID Checking balance Accounts startedDate Saving ID CATE TABLE OPERATIONS( CHAR(10), Dunt…

A: An ER (Entity-Relationship) diagram is a visual representation that depicts the relationships and…

Q: 4. What are Superkey and candidate key in SQL?

A: Structured Query Language It is a database script intended for the recovery and the board of data in…

Q: CREATE A SQL QUERY PROBLEM:Create a list of instructors that have taught only the Project…

A: Instructor Table: INSTRUCTOR_ID…

Q: Task 1: Create Schema for Student Registration System. Task 2: Display all the different job titles,…

A: Creating student registration system with some attributes like student name, student id, class,…

Q: Write a SQL statement to count all the records from STUDENT table per department and arrange in…

A: Here we need to form group of each department and count number of student in each department. For…

Q: 2. Write a SQL query to solve Question-2-2 (the second sub-question). 3. Write a SQL query to solve…

A: Answer: Looking up for the rating of a sailor using his/he need creating a clustered index in the…

Q: What data types are generally available for SQL table columns? What are tables, rows, and columns?…

A: Step 1) What data types are generally available for SQL table columns . Exact Numeric Data Type :…

Q: 1. Write a SQL query to list the names all employees and their address who work for the department…

A: Please find the answers in the following steps.

Q: What is the SQL statement that selects all records from the table named "Employees" where their last…

A: SQL (Structured Query Language): SQL (Structured Query Language) is a programming language used to…

Q: Create a view, called PatientSmithDoctors, to list all the doctors a patient with the last name of…

A: 1.1) Create a view, called PatientSmithDoctors, to list all the doctors a patient with the last name…

Q: 4.2) In the given table, there two similar names (JOHNSON and Johnson). Assume you are required to…

A: The brief introduction to SQL is as follows: It stands for a structured query language, SQL is used…

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: Solve This SQL For the following operations, write the appropriate SQL statement. a) Obtain the…

A: Please see the next step for solution:-

Q: Write the structure of the tables used in the database from the website (Customers, Categories,…

A: I am just giving the sample values in the table. Query for creating Table:- CREATE TABLE Customers(…

Q: Question 1: Write the following query in SQL: “Find (all) the celebrities with the most followers.”…

A: The given problem is related to the database where the tables are given and the requirement is to…

Q: For your answer to question 5.20, code an SQL statement that creates a relation that has all data…

A:

Q: PostgreSql differs from the SQL Standard primarily by requiring which of these constructs.   a.…

A: Actually, PostgreSql is also known as Postgres.

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: Solve This SQL For the following operations, write the appropriate SQL statement. c) Get category…

A: Please see the next step for solution:-

Q: Find the highest price and average price of room.

A: Please find the answer and output in the following steps.

Q: What are the 5 main things you keep in your mind while designing a database?

A: As per Bartleby's answering guidelines only one question should be answered at a time so I am…

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.