Develop a PL/SQL block that would go through all the employees from EMPLOYEES table who work in department id= 90 (there is suppose to be 3 employee who work in Department 90)e IN BEGIN END END SECTION; Execute 3 separate of SELECT statement one after the other. Each SELECT will pull first name. salary of each employee and store them in local variables.

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
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Develop a PL/SQL block that would go through all the employees from EMPLOYEES table who work in
department id= 90 (there is suppose to be 3 employee who work in Department 90)-
IN BEGIN END END SECTION;
Execute 3 separate of SELECT statement one after the other. Each SELECT will pull first name. salary
of each employee and store them in local variables.+
SELECT LOAD INTO v_firstname1, v_salarxlWHERE emrlexee.id=100
Then second
WHERE emploxee.id3101+
SELECT first_name, salary INTO v_firstname2, v_salary2
Then third +
SELECTSELECTI tirst.name, salary INTO v_firstname3, v_salary3
iin
WHERE emploxee id=102
.....
You must now have 6 local variables. DECLARE all of them accordingly in DECLARE section and use
them in BEGIN and END.+
Then add another SELECT statement in BEGIN-END to find company average salary
SELECT xa(salary) INTO aKasal FROM EMPLOYEES;
!!! Do not forget to create y avgsal local variable in DECLARE section.
Transcribed Image Text:Develop a PL/SQL block that would go through all the employees from EMPLOYEES table who work in department id= 90 (there is suppose to be 3 employee who work in Department 90)- IN BEGIN END END SECTION; Execute 3 separate of SELECT statement one after the other. Each SELECT will pull first name. salary of each employee and store them in local variables.+ SELECT LOAD INTO v_firstname1, v_salarxlWHERE emrlexee.id=100 Then second WHERE emploxee.id3101+ SELECT first_name, salary INTO v_firstname2, v_salary2 Then third + SELECTSELECTI tirst.name, salary INTO v_firstname3, v_salary3 iin WHERE emploxee id=102 ..... You must now have 6 local variables. DECLARE all of them accordingly in DECLARE section and use them in BEGIN and END.+ Then add another SELECT statement in BEGIN-END to find company average salary SELECT xa(salary) INTO aKasal FROM EMPLOYEES; !!! Do not forget to create y avgsal local variable in DECLARE section.
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