Database course:   Which of the following queries is used to list a unique value for V_CODE, where the list will produce only a list of those values that are different from one another?     SELECT UNIQUE V_CODE FROM PRODUCT;     SELECT DISTINCT V_CODE FROM PRODUCT;     SELECT DIFFERENT V_CODE FROM PRODUCT;     SELECT ONLY V_CODE FROM PRODUCT;

Q: The query that displays names of employees , sex , and evaluation of the salary for each department…

A: SELECT AVG(salary) /*incorrect*/ FROM EMPLOYEE, DEPENDENT  /* a salary is included once */ WHERE…

Q: What will be the result of the following queries: a) select S.stName, R.crsId, R.grade from student…

A: Left outer join will return all rows from the table specified in the from clause i.e. table…

Q: To create a table name Customer having fields Cust-name, Cust_address from the table Employee and…

A: Answer: Introduction: SQL stands for Structured Query Language, one of the most common commands. It…

Q: Which of the following relations is correctly represented for the below ERD? Order orderDatetime…

A: The solution is given in the below step with explanation

Q: Employees(employee_id, first_name, last name, salary, hire_date, job_title, manager_id) Which of the…

A: working query : SELECT last_name,job_title FROM employees WHERE salary > SELECT avg(salary) FROM…

Q: lp me to connect my registration PHP which I don't know how to insert those registration data on my…

A: Below  the code which help to connect registration PHP to your database

Q: Task 5: The Driver Relationship team requested to ensure that there will be no duplicates in the…

A: Here have to determine sql query statment for add constraints to table.

Q: ​Create a Query with customerID, Name and Address whose address belongs to ‘Ibri’

A: Given: Create a Query with customerID, Name and Address whose address belongs to ‘Ibri’

Q: Select employees and managers with inner join

A: Given data is:   The Employee table has the following columns: ID - integer, primary key FirstName…

Q: Write a query to extract only the zipcode from customers address

A: Q: Answer SQL Query for given table

Q: Write a SELECT statement that uses a correlated subquery to return one row per customer,…

A: SYNTAX - SELECT cust.first_name, cust.last_name, o.order_id, o.order_date, o.total_quantityFROM…

Q: 1. Write a query to alter the “Student” table, by setting the default value of Age > 20. 2. Drop…

A: Q. IN MYSQL 1. Write a query to alter the “Student” table, by setting the default value of Age >…

Q: You are not required to execute the queries. However, your syntax must by accurate.You must give at…

A: Hey, since there are multiple sub-part questions posted, we will answer first three questions. If…

Q: hoose 1 string function and 1 numeric function and write a query that uses the two functions you…

A: The given problem is related to MYSQL querie where the logical model of the tables is given and the…

Q: You are not required to execute the queries. However, your syntax must by accurate.You must give at…

A: Answer for 11: SELECT MIN(MEM_BALANCE) AS MINIMUM_BALANCE, MAX(MEM_BALANCE) AS MAXIMUM_BALANCE,…

Q: Select one of the following: (only one please) Display painters’ details who exhibit their…

A: It is defined as the collection of information that is organized so that it can be easily accessed,…

Q: Create an updatable view named VendorAddress that returns the VendorID, both address columns, and…

A: Answer: CREATE VIEW VendorAddress AS: SELECT VendorID, VendorAddress1, VendorAddress2, VendorState,…

Q: 1. Write a query to display the author ID, first and last name for all authors that have never…

A: I am considering that all the columns are part of a single table and we are retrieving it from…

Q: You are not required to execute the queries. However, your syntax must by accurate.You must give at…

A: SELECT Movie_Tiltle, Movie_Year, Price_Description, Rental_Fee FROM Movies WHERE Categories =…

Q: How do I rewrite this trigger code to be a row level trigger? after writing, test the code by…

A: Please upvote. I am providing you the correct answer below.

Q: Given two tables created and populated as follows:   CREATE TABLE dbo.envelope(id int, user_id…

A: What will the result be from the following query:   UPDATE docs SET doctext=pageseq FROM docs INNER…

Q: Create a table client master with the following field’s client_no, name, address1, address2, city,…

A: To Create a table client master with the given conditions and insert/modify values.

Q: Which of the following queries is used to list a unique value for Emp_name, where the list will…

A: Question Which of the following queries is used to list a unique value for Emp_name, where the list…

Q: Which clause would you use in a SELECT statement to limit the display to those employees whose…

A: This question comes from Database Management System  which is a paper of Computer Science. Let's…

Q: Which of the following is NOT TRUE about the TEACHERS table structure? Field/Column Name Data Type…

A: option (C) is the CORRECT option.

Q: whose age is equal to their manager’s age. First, a nested query: SELECT E1.ename FROM Emp E1 WHERE…

A: Relationship Database Server (RDBMS): The SQL server is a form of database and makes data points…

Q: You are not required to execute the queries. However, your syntax must by accurate.You must give at…

A: Since the full table structure is not given we make suitable assumptions to write the query:For…

Q: Query 2: Write a query to display every member in Ohio who made a payment greater than or equal to…

A: Select (First name, Lastname) from Payment where State = "Ohio" AND Amount>=300;   The above…

Q: CREATE INDEX ItemIndex1 ON Orderline (TaskID)   What is the SQL query to display the index that I…

A: Here, The query is given to create an index.

Q: do this  Following tables support the database of a shopping store. The schema contains four tables…

A: here have to determine about sql query from given problem.

Q: My anserwer has erro in line 1, how to fix? Add a column named Base_salary with a datatype of…

A: ALTER COMMAND: The alter command for any database is used to perform any kind of modification in…

Q: 2. Which of the following will allow you to remove your table in the database? A. DELETE FROM…

A: To remove a table we use the DROP TABLE directive. So the correct way is DROP TABLE tableneme;…

Q: I have the query below and I get it to run, but it is missing something how to answer the problem.…

A: Below is the updated code and explanation:

Q: Topic: Databse Prompt: Transform as necessary and then write the XML elements to the appropriate…

A: The question asks to write for the SQL queries for the following: What are the titles and prices of…

Q: Create a query of renters not qualified to rent, list who Renter ID or unique identifier, Renter…

A: Answer is given below .

Q: Hello can you help me to connect my registration PHP which I don't know how to insert those…

A: The answer is given below:-

Q: • Inner join show reservations and details: Inner join with condition that price > 200: • Show…

A: Queries of inner join combine two tables upon a common attribute.

Q: Create a trigger for the Invoices table that automatically inserts the vendor name and address for a…

A: Trigger  When an event occurs, the trigger runs automatically which is a stored procedure. The…

Q: Which one of these option will slow down the execution of your queries? Indexes Query Optimizer…

A: In this case, we have to find the option that slows down the execution of the query.

Q: Employees(employee_id, first_name, last_name, salary, hire_date, job_title, manager_id) Which of the…

A: query that will is: select e.last_name from employees e, employees m where e.manager_id =…

Q: Joins 1. Which books were written by an author with the last name Adams? Perform the search using…

A: Short Summary: Provided the Create, Insert and Select queries performed on tables Customers, Orders,…

Q: Tollowin TABLE CUSTOMER Column Null? Туре CUS_ID NOT NULL NUMBER NAME VARCHAR2(58) CUS_PHONE…

A: Answer ;-- option c Select cus_id,customer.name,region.name from customer LEFT JOIN region on…

Q: 8) Which datatype can store unstructured data in a column? CHAR RAW NUMERIC VARCHAR

A: 8) Which datatype can store unstructured data in a column?

Q: 1. Create the following two tables with Proper Relationship TABLE NAME CUSTOMER88 FIELD NAME DATA…

A: Create table with proper relationship: In a database system, ONE-TO-MANY relationship will link two…

Q: Which of the following KEYWORDS are used to declare a variable as the same data type as a database…

A: %ROWCOUNT gives the number of rows altered by a insertion, deletion. %ROWTYPE used to provide a…

Q: plz help with the following: When joining three or more tables, you need to specify a join…

A: False answer is false as For Three or more tables We have to specify more than one join condition.…

Basic SQL Queries

Structured Query Language is the full form of SQL. It is a high-level language used to communicate with a relational database. It is used for creating, storing and accessing contents of a relational database. SQL is used to write the queries which are executed using database engines like Oracle, SQL Server and so forth.