Need to find the version number referring to the last name change for each emplid.

emplIDName ageVersion
--------   -----------
1ABC252
1ABC265
1def279
1def2815
1def2918
2JKL155
2MNO168
2MNO1711
2PQR1820

Need to find the version number referring to the last name change for each emplid.

As indicated by the version number change when there is change in age as well, but I need a query that gives the version number referring to the last name change for each emplid.

with

DATA_TABLE (EmplId, Name, Age, version) as

(select 1, 'abc', 25, 2 double Union all

Select 1, 'abc', 26, 5 Union double all the

Select 1, 'def', 27, 9 double Union all

Select 1, 'def', 28, 15 double Union all

Select 1, 'def', 29, 18 double Union all

Select 2, 'jkl', 15 5 Union double all the

Select 2, 'mno', 16, 8 double Union all

Select 2, 'mno', 17, 11 double Union all

Select 2, 'pqr', 18, 20 double

)

Select emplid,

Max (Name) name of Dungeon (dense_rank last order by version).

Max (Age) age of Dungeon (dense_rank last order by version).

version Max (version)

from (select emplid, name, version,)

-case where name! = lag(name,1,name) on (emplid version order partition)

then "renamed".

end change

of data_table

)

where the change is not null

Emplid group

EMPLID NAME AGE VERSION
1 def 27 9
2 PQR 18 20

Concerning

Etbin

Tags: Database

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