search command can be used for sub-search or sub query in Splunk. search command should be within [].
Syntax:
main query [search subquery]
Sample Query:
index=abc type=test
[search index=abc *Exception* source=G
earliest=-5d | table requestId] earliest=-5d
index=abc type=test
[search index=abc *Exception* source=G
earliest=-5d | table requestId] earliest=-5d
Note:
***Sub-search will run first
