Pl sql code review, PL-SQL Programming

PL SQL Code Review

HEADER ELEMENTS

File Name

Clear, meaningful and descriptive about main objective of the file. Multiple words are joined using underscores which adheres to the file naming standards.

Purpose

Brief description of the functionality of the Code.

Usage

Method of calling the SQL in the prompt to the test the Code.

Date

when the development of the Code was started.

Edit History

History of changes made to the Code. Update Edit History in case of Change Request to reflect the changes made in the code.

Author (Company Name)

Use standard Boiler Plate given by the client.

Coding Conventions Systematize and Automate

Use code templates to design and make available headers and structures. Build your checklists into these templates!

Use automated formatters at both the individual and team levels. Do not manually format your code. Big waste of time.

General Guidelines while Coding

(i) Standard (space-based) block nesting indentations should be two spaces

(ii) Avoid Using TABS for indendation, use spaces instead

(iii) All the Keywords of SQL should be in CAPS

(iv) The functional overview comment of a routine should be indented two spaces. The highest-level statements that follow the overview comment should be in the same column

As comment, with each nested block indented by two spaces

(v) Adequate blank lines should be left to aid readability of source code

(vi) Proper Indentations should be used when writing PL/SQL code, like IF and ENDIF, LOOP and END LOOP should line up correctly.

(vii) Use SQL%ROWCOUNT to increment counters after Insert/Update/Delete statements.

(viii) There should not be more than one expression per line

(ix) A blank line should separate the code and DECLARE/ BEGIN/EXCEPTION/ END.

(x) The beginning of stored procedure should start with ‘BEGIN’ in uppercase and end with ‘END’ in uppercase.

(xi) Write consistent Log messages using DBMS_OUTPUT package detailing the no of rows updated/inserted/deleted in the tables.

(xii) Give inline comments wherever code is changed in case of CR’s(Client Requests).

(xiii) Application code must raise, handle, log and communicate errors in a consistent, robust manner.

(xiv) Use proper indexes

(xv) Maximise SQL and minimise PL/SQL

(xvi) Instrument your code for debugging - Choose your favourite method: debug statements judiciously places throughout your code, or perhaps using DBMS_PROFILE (that is definitely a topic I'll do soon), or something else entirely. As long as you have a way to troubleshoot bugs and performance issues later on.

Posted Date: 9/21/2012 3:43:48 AM | Location : United States







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