PL/SQL Coding Guidelines - Part 1

1. PL/SQL & SQL
CODING GUIDELINES – PART 1
Larry Nung

2. AGENDA
Language Usage
Reference
Q & A
2

3. LANGUAGE USAGE
General

4. 1. TRY TO LABEL YOUR SUB BLOCKS

6. 2. ALWAYS HAVE A MATCHING LOOP OR BLOCK
LABEL

8. 3. AVOID DEFINING VARIABLES THAT ARE NOT
USED

9. 4. AVOID DEAD CODE IN YOUR PROGRAMS

10. 5. AVOID USING LITERALS IN YOUR CODE

12. 6. AVOID STORING ROWIDS OR UROWIDS
IN A TABLE.

14. 7. AVOID NESTING COMMENT BLOCKS

15. REFERENCE
15

16. REFERENCE
 Trivadis PL/SQL & SQL Coding Guidelines Version
2.0
 http://www.trivadis.com/sites/default/files/downloads/PL
SQL_and_SQL_Coding_Guidelines_2_0_HiRes.pdf
 ORACLE-BASE - ROWIDs for PL/SQL
Performance
 https://oracle-base.com/articles/misc/rowids-for-plsql-
performance
 Pseudo Columns and Oracle ROWID | AZ SQL
Certification
 http://azsqlcertification.com/sql-tutorial/select-statement-
reporting-capabilities/pseudo-columns-and-oracle-rowid/ 16

17. Q&A
17

18. QUESTION & ANSWER
18