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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 7 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
INTERSPEECH
2010
13 years 2 months ago
Relying on critical articulators to estimate vocal tract spectra in an articulatory-acoustic database
We present a new phone-dependent feature weighting scheme that can be used to map articulatory configurations (e.g. EMA) onto vocal tract spectra (e.g. MFCC) through table lookup....
Daniel Felps, Christian Geng, Michael Berger, Kori...
NGITS
1995
Springer
13 years 11 months ago
A History-Oriented Temporal SQL Extension
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
Fabio Grandi, Maria Rita Scalas, Paolo Tiberio
CASCON
1996
124views Education» more  CASCON 1996»
13 years 8 months ago
Supporting procedural constructs in existing SQL compilers
The draft ofthe SQL/PSM standard de nes a procedural extension to the existing SQL2 language. An essential part of this extension is the support of procedural constructs such as B...
Gene Fuh, Jyh-Herng Chow, Nelson Mendonça M...
VLDB
2002
ACM
143views Database» more  VLDB 2002»
13 years 7 months ago
SQL Memory Management in Oracle9i
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...
Benoît Dageville, Mohamed Zaït