4894 search results - page 800 / 979 » Choices |
243
click to vote
VLDB
2007
ACM
16 years 6 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
271
click to vote
VLDB
2007
ACM
16 years 6 months ago
2007
ACM
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
268
click to vote
SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
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 ...
273
click to vote
SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...
241
click to vote
SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...