A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 8, Problem 16RQ
Program Plan Intro
PL/SQL:
- In Oracle, the stored procedures can be created using a language called PL/SQL.
- The procedures are created and saved as the script files.
- SQL is used to perform the DML and DDL operations using the single query.
- Whereas the PL/SQL uses a block of codes to write the entire program in terms of blocks or procedures or functions.
Cursor:
Cursor is used to retrieve information in row by row fashion. If the records stored in the
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Chapter 8 Solutions
A Guide to SQL
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - In PL/SQL, how do you assign variables the same...
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Prob. 20RQCh. 8 - Prob. 21RQCh. 8 - Prob. 22RQCh. 8 - Prob. 1TDCh. 8 - Prob. 2TDCh. 8 - Prob. 3TDCh. 8 - Prob. 4TDCh. 8 - Prob. 5TDCh. 8 - Prob. 6TDCh. 8 - Prob. 7TDCh. 8 - Prob. 8TDCh. 8 - Prob. 9TDCh. 8 - Prob. 10TDCh. 8 - Prob. 1CATCh. 8 - Prob. 2CATCh. 8 - Prob. 3CATCh. 8 - Prob. 4CATCh. 8 - Prob. 5CATCh. 8 - Prob. 6CATCh. 8 - Prob. 7CATCh. 8 - Prob. 9CATCh. 8 - Prob. 1SCGCh. 8 - Prob. 2SCGCh. 8 - Prob. 3SCGCh. 8 - Prob. 4SCGCh. 8 - Prob. 5SCGCh. 8 - Prob. 6SCGCh. 8 - Prob. 7SCGCh. 8 - SQL includes many numerical functions. Two of...
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- How does the COALESCE function compare with the ISNULL function when handling NULL values in SQL?arrow_forwardThis question should be answered in PL/SQL only! Create a procedure that takes instructor_ID as a parameter. Name it INSTR_SECTIONS. The procedure displays instructor first and last names, and also a list of sections that the instructor is scheduled to teach. Only one instructor per procedure call. You give/pass to a procedure instructor_ID as a parameter, the procedure prints INFO related only to that instructor.arrow_forwardPL/SQL Help I need to create a PL/SQL trigger called aprove_rental that will prevent an INSERT if a clients rating (client_credit_rtg) is less than 1.5 from the rental table. Im using sqlplus to test this trigger. Tables : create table client (client_num char(4), client_lname varchar2(15) not null, client_fname varchar2(15), client_phone char(8), client_credit_rtg decimal(2,1) check(client_credit_rtg between 0.0 and 5.0), client_fave_cat char(3), primary key (client_num), foreign key (client_fave_cat) references movie_category(category_code) ); create table rental (rental_num char(7), client_num char(4), vid_id char(6), date_out date not null, date_due date not null, date_returned date, primary key (rental_num), foreign key (client_num) references client, foreign key (vid_id) references video ); PLEASE WRITE THIS FROM SCRATCH AND NOT JUST COPY AND PASTE FROM ANOTHER ANSWER, BECAUSE THEY DONT WORK FOR MEarrow_forward
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