more efficient group by for query with Case

more efficient group by for query with Case

search resultsmysql - more efficient group by for query with Case - Stack ...
I have the following query building a recordset which is used in a
pie-chart as a report. It's not run particularly often, but when it does
it takes several seconds ...
stackoverflow.com/questions/13634244/​more-efficient... - Cached

How can I make this MySQL SELECT + GROUP BY query more ...
more efficient group by for query with Case. 0. MySQL doesn't use index
for group by + sum query. 1. Select only last value using group by at
mysql. 0.
stackoverflow.com/questions/4006128/how-​can-i-make-this... - Cached

SQL GROUP BY techniques - SQL Server Blogs - SQLTeam.com
In this case, the second is more efficient. Not by a ton, but it is, ...
construct bad GROUP BY query with already given view or create new view,
...
weblogs.sqlteam.com/jeffs/archive/2005/​12/14/8546.aspx - Cached

Combine Case with group by : Case Query « Select Query ...
Combine Case with group by : Case Query « Select Query « Oracle PL / SQL
www.java2s.com/.../Select-Query/​CombineCasewithgroupby.htm - Cached

Data Points: Five Ways to Rev up Your SQL Performance
This query is not only more efficient than the previous ... keyword to
find a distinct list of data rows instead of using the GROUP BY clause. In
this case, ...
msdn.microsoft.com/en-us/magazine/​cc301622.aspx - Cached
More results from msdn.microsoft.com »
LINQ Query using join and group by, have a working query but ...
LINQ Query using join and group by, ... have a working query but think it
can be more efficient. ... { case 2: ...
social.msdn.microsoft.com/Forums/bs-​Latn-BA/linqtosql/... - Cached

SQL Server Update: "Using CASE Expressions"
GROUP BY product . A More ... The following query checks the royalty
percentage by ... even more efficient. Additionally, CASE expressions
enable more work ...
www.craigsmullins.com/ssu_0899.htm - Cached

SELECT DISTINCT: A SQL Case Study — DatabaseJournal.com
Tom Copeland gives a step-by-step 'case study' of analyzing a query in
PostgreSQL and how to ensure ... users u, user_group ... often be made
more efficient.
www.databasejournal.com/features/​postgresql/article.php... - Cached

Oracle SQL tuning steps
GROUP BY 'T'||plansnet.terr_code, 'P'| ... A case study in SQL tuning One
of the historic problems ... Tips for writing more efficient SQL Space
doesn't permit me ...
www.dba-oracle.com/art_sql_tune.htm - Cached

[PDF] An Optimized Query Tree Algorithm in RFID Inventory Tracking ...
Adobe PDF
making it more efficient and optimized. A case study of a ... to resolve
the issue within one group first. Query by the reader is sent by Xoring
the k ID bits of tags
ijcsi.org/papers/IJCSI-9-4-1-85-93.pdf