

- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
What is the significance of ACCESSTYPE and INDEXONLY column of a PLAN table in DB2?
The PLAN_TABLE in DB2 contains details of the access paths used by the optimizer from the EXPLAIN statement. This table gives much information about the PLAN having DB2 SQL statements.
ACCESSTYPE is one of the columns of PLAN_TABLE which gives details regarding the access type. The values which can be present in this column and its interpretation is given below.
Column value | Interpretation |
I | Indexed access |
R | Tablespace scan |
M | Multiple index scan |
N | Index access present in predicate |
The INDEXONLY column can take the value as ‘Y’ which indicates that the optimizer just needs to read indexspace in order to fetch the data for the query.
- Related Questions & Answers
- What is the significance of the QBLOCK_TYPE and JOIN_TYPE column of a PLAN table?
- What is the definition and usage of alternate key in a DB2 table?
- What is the significance of Religion and caste in Hinduism?
- What is the purpose of “NOT NULL WITH DEFAULT” clause used in DB2 table column?
- What is the significance of Hampi Monuments?
- What is the significance of Ajanta Caves?
- What is the significance of Bodh Gaya?
- What is the significance of Taj Mahal?
- What is the significance of Ellora Caves?
- What is the significance of Elephanta Caves?
- What is the significance of Qutub Minar?
- What is the significance of Red Fort?
- What is the significance of Western Ghats?
- What is NULL check and insertion rule in a DB2 table?
- What is the significance of Charminar in Hyderabad?
Advertisements