Detailed analysis of the DB2 Management page size limit

DB2 database restrictions, that is, database management page size restrictions. If you are interested in understanding the DB2 Management page size restrictions, you can use the following articles to learn more about it.

The following uses DB2 7.x as an example:

1. Maximum number of columns in a table

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

2. Maximum length of a row

Size limit of 4 kb pages = 4005

Size Limit of 8 KB pages = 8101

Size limit of 16 KB pages = 16293

32 KB limit page size = 32677

3. maximum size of each partition in a table (GB)

Size limit of 4 kb page = 64

Size Limit of 8 KB pages = 128

Size limit of 16 KB pages = 256

Size limit of 32 KB pages = 512

4. maximum size of each partition of an index (GB)

Size limit of 4 kb page = 64

Size Limit of 8 KB pages = 128

Size limit of 16 KB pages = 256

Size limit of 32 KB pages = 512

5. Select the maximum number of list elements

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

6. Maximum number of columns in a group by substatement

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

7. Maximum length (in bytes) of a group by substatement Column)

Size limit of 4 kb pages = 4005

Size Limit of 8 KB pages = 8101

Size limit of 16 KB pages = 16293

Size limit of 32 KB pages = 32677

8. Maximum number of orders BY substatement Columns

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

9. Maximum length of an order by substatement column (number of bytes)

The size limit of 4 kb Limit = 4005

Size Limit of 8 KB Tib = 8101

16 KB limit size = 16293

32 KB limit size = 32677

10. Maximum number of values in an INSERT into sentence

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

11. Maximum number of values in an UPDATE statement

Size limit of 4 kb pages = 500

Size Limit of 8 KB pages = 1012

Size limit of 16 KB pages = 1012

Size limit of 32 KB pages = 1012

12. The maximum size of a normally scheduled DMS tablespace (in gigabytes)

Size limit of 4 kb page = 64

Size Limit of 8 KB pages = 128

Size limit of 16 KB pages = 256

Size limit of 32 KB pages = 512

The above content is an introduction to the limitation on the DB2 Management page size. I hope you will have some gains.