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what is the steps followed in EXPLAIN Process or EXPLAIN
command. (Explain is for identifying the optimized access
path but how or what is the steps for doing the EXPLAIN)
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Answer Posted / sachin borase
Optimized access path means:
When we are runnign any query database make the
path to db2 for fetching the required data called as
optimized acess path.for creating optimized access path
db2 uses db2 catlg.
expalain?
if put EXPLAIN(yes) then optimized path will sotred
whatever query you written in the program in the
table owner.plan_table
How to acess:
if you acess the owner.plan_table
it will have the below imp coloumns.
1.program name
2.latest timestamp
3.indexused
4.and more details
| Is This Answer Correct ? | 2 Yes | 0 No |
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