GreenPlum 大数据平台--运维(二)

1. How to get query runtime and elapsed time.
2.
* Viewing the Last Operation Performed
* Last Analyzed or Vacuum or Create TABLE OR ETC …
3. Show segments, which are down.
4. How to calculate database size in disk?
5. How to calculate table size in disk?
6. For a partitioned table you need the sql below to find cumulative table size
7.
* Function for Grant/Revoke permission to objects within a schema
* Function for Revoke privileges to schema objects (tables, views, sequences)
8. GreenPlum Database GUI tools
9. Data skew query you may like
10.
* Find no of segments
*Size of Segment
11. Determine your current primary segment configuration
12. Time zone setup:
13. Re-create GP Toolkit objects, if lost