47 search results - page 1 / 10 » The Picasso Database Query Optimizer Visualizer |
PVLDB
2010
13 years 3 months ago
2010
PVLDB
2008
13 years 4 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
ICIAP
1997
ACM
13 years 9 months ago
1997
ACM
—A major research subject in image databases is to support efficient and effective access to images based on their visual content. In color image databases, this requires to sup...
PVLDB
2008
13 years 4 months ago
2008
Given a parametrized n-dimensional SQL query template and a choice of query optimizer, a plan diagram is a color-coded pictorial enumeration of the execution plan choices of the o...
SIGMOD
2010
ACM
13 years 3 months ago
2010
ACM
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...