(a) Write a complete PL/SQL Cursor to retrieve the following information. Fetch row number, Employee Id, First Name of the employees - Select all the employees with Employee_no < 115 Use the complete cycle of declaring, opening, fetching, and closing a cursor, including use of cursor attributes. - Format the output as shown below Script Output x # Task completed in 0.299 seconds Lauren Lisa Just FETCHED row 1- Employee ID: 110 - First Name: Just FETCHED row 2- Employee ID: 111- First Name: Just FETCHED row 3- Employee ID: 112 - First Name: Just FETCHED row 4- Employee ID: 113 First Name: Just FETCHED row 5- Employee ID: 114 - First Name: Marg Dave Steve (b) Modify your program to use the CURSOR FOR LOOP to achieve the same output

(a) Write a complete PL/SQL Cursor to retrieve the following information. Fetch row number, Employee Id, First Name of the employees - Select all the employees with Employee_no < 115 Use the complete cycle of declaring, opening, fetching, and closing a cursor, including use of cursor attributes. - Format the output as shown below Script Output x # Task completed in 0.299 seconds Lauren Lisa Just FETCHED row 1- Employee ID: 110 - First Name: Just FETCHED row 2- Employee ID: 111- First Name: Just FETCHED row 3- Employee ID: 112 - First Name: Just FETCHED row 4- Employee ID: 113 First Name: Just FETCHED row 5- Employee ID: 114 - First Name: Marg Dave Steve (b) Modify your program to use the CURSOR FOR LOOP to achieve the same output

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Intermediate SQL Concepts

A query is a request for data or information from one or more database tables. This information could be presented in the form of pictorials, graphs, or complicated findings which helps in easy interpretation. Structured Query Language (SQL) is the most widely used programming language for retrieving and organizing data from relational databases. Collection of tables with rows and columns is referred to as a database. SQL is the language of databases. It makes it easier to extract specific data from databases, which can then be used for analysis.

Question

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scrip for table is provided

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-- EMPLOYEES table
CREATE TABLE employees
e employee_id
NUMERIC (3) NOT NULL,
first_name
VARCHAR(20)
3
middle_initial VARCHAR(1)
3
last_name
VARCHAR(30) 3
soc_sec_no
NUMERIC (9)
A
hire_date
DATE
salary
DECIMAL (7,2),
commission_pct DECIMAL (3,3),
department_code VARCHAR(2) 3
job_code
VARCHAR(7),
manager_id
NUMERIC (3)
);

Write a complete PL/SQL Cursor to retrieve the following information.
Fetch row number, Employee Id, First Name of the employees
Select all the employees with Employee_no < 115
Use the complete cycle of declaring, opening, fetching, and closing a cursor,
including use of cursor attributes.
Format the output as shown below
Script Output x
Task completed in 0.299 seconds
Just FETCHED row 1- Employee ID: 110 - First Name: Lauren
Just FETCHED row 2- Employee ID: 111 - First Name: Lisa
Just FETCHED row 3- Employee ID: 112 - First Name: Dave
Just FETCHED row 4- Employee ID: 113 - First Name: Steve
Just FETCHED row 5- Employee ID: 114 - First Name: Marg
(b)
Modify your program to use the CURSOR FOR LOOP to achieve the same output
Script Output x
Task completed in 0.175 seconds
Just FETCHED row 1- Student ID: 110 - First Name Lauren
Just FETCHED row 2- Student ID: 111 - First Name Lisa
Just FETCHED row 3- Student ID: 112 - First Name Dave
Just FETCHED row 4- Student ID: 113 - First Name Steve
Just FETCHED row 5- Student ID: 114 - First Name Marg

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