Employee EMPNO NUMBER(4) - Primary Key VARCHAR2(10)- Not Null VARCHAR2(9) DATE NUMBER(7,2) NUMBER(2) - Foreign Key coming from Department table NOT NULL ENAME JOB HIREDATE SAL DEPTNO

Q: Use CASE statement in PL SQL block, where take a character as input from the user and print…

A:

Q: Instructions: Write the suitable SQL statement to answer the following questions based on the…

A: Answer: SELECT DEP_NO, COUNT(*) FROM Employee GROUP BY DEP_NO;

Q: SQL question SQL: employee table (id, salary) return kth highest salary

A: SELECT * FROM (SELECT ID, SALARY, DENSE_RANK()OVER(ORDER BY SALARY DESC) R FROM EMPLOYEE)WHERE R =…

Q: Difference between procedure and function in SQL

A: SQL functions and procedures are database objects designed to streamline and improve the…

Q: True or FalseString comparisons in SQL are case sensitive.

A: Explanation: The data in DBMS is stored and retrieved by using a specific language called SQL. DBMS…

Q: Employees (EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE, JOB_ID, SALARY,…

A: Here, Query instruction is given.

Q: For each department with more than one member of employee, find the sum of reward amounts for each…

A: The question is solved in step2

Q: USE this part to write SQL statements   Branch(branch_id:integer, branch_name:varchar(50),…

A: As per our company guidelines we are supposed to answer only first  sub-parts. Kindly repost other…

Q: ROOMS RID RType Rate Bedroom Room_Status CID 101 Studio 10 1 Available   102 Studio…

A: SELECT  - It is used to query or retrieve data from a table in the database AS  - This command is…

Q: which is more accurate? and are they even right?

A: The question has been answered in step2

Q: 1. Prepare a list of orders by Shipper showing the Shipper ID, Order ID, Product ID and Quantity.…

A: In this question we have to understand about given SQL database and prepare the list of queries…

Q: Examine the STUDENTS table and the given SQL statement:   EID Name Dept Salary 1001 Aminah…

A: According to given condition, _a% In the STUDENTS table Zainab contains a at second position. And…

Q: Which SQL statement will return the same results as the following SQL statement? SELECT * FROM…

A: Answer: Option 2,3, and 4 are having the where conditions will give the different results

Q: question 6 please use the  picture below to answer the following question Write a SQL statement to…

A: Explanation: “UNIQUE” constraint is used to ensure that the column having different values. The…

Q: List doctor’s details where speciality is either Dermatology or Neurology. (Use INoperator). List…

A: The given requirement is to be solved in database SQL where the DOCTOR table is already created with…

Q: By default, data returned by the SQL SELECT statement is in descending order.   a. True   b.…

A: Please find the answer below :

Q: Instructions: Write the suitable SQL statement to answer the following questions based on the…

A: Answer: 6.  SELECT FNAME, LNAME, SALARY  FROM Employee WHERE DEP_NO IN  (SELECT DEP_NO FROM…

Q: Examine the EMPLOYEES table and the given SQL statement: EID Name Dept Salary 1001 Aminah IT 600…

A: Like_a% : this will select then name with its second letter "a"

Q: rog |S12 C++ IS15 Java

A: SQL CREATE TABLE statement is used to create table in a database. If you want to create a table, you…

Q: Task 2: Write a function that returns how old a book is Published before 2000 ->Book X by author Y…

A: SELECT * FROM ( SELECT CONCAT(a.fname, ' ', a.lname), b.title,…

Q: What method of Statement is used if you want to execute DELETE SQL statement?

A: Answer:

Q: the question is: 1. Write the DDL statement for defining the Employee table.  (Assume that the…

A: The question has been answered in step2

Q: You have the following tables:   MANAGERS (MANAGER_ID, LAST_NAME, FIRST_NAME, DEPARTMENT) ACCOUNTS…

A: Algorithm: Retrieve Account Information with Manager and Customer Details1. Create tables: MANAGERS,…

Q: Write SQL Query that display department id and department name that employs fewer than five…

A: Given: Write SQL Query that display department id and department name that employs fewer than five…

Q: SQL:- NULL means blank or 0(zero) True False

A: SQL:-NULL means blank or O(zero)TrueFalse

Q: sql queries Employees (EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE, JOB_ID,…

A: Concept used:- subqueries query within query is known as sub query where inner query act as input…

Q: _ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE, JOB_ID, SALARY, COMMISSION_PCT,…

A: Employees(EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE,JOB_ID, SALARY,…

Q: Invoice table Column DEFAULT PK NOT NULL UNIQUE FK VALIDATION Column Names DataTypes VALUE…

A: Answer in step2

Q: True or False? To select all columns from a table named STUDENTS, we can use the SQL statement…

A: SELECT statement in SQL helps in retrieving the records from the database table, where the clauses…

Q: Write the following SQL Statements: Write a SELECT statement that returns one row for each customer…

A: Answer: We have written SQL command and our guidelines is answer the first three question from the…

Q: 10- What will be the result if you will add 3 days to 17-APR-2021 or using the SQL statement:…

A: Given: To find the result if you will add 3 days to 17-APR-2021 or using the SQL statement: SELECT…

Q: Enumerate 5 Best Practices in Writing SQL statements

A: Use the JOIN and ON Keywords. First of all, it is highly recommended to use explicit joins, i.e. by…

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.