Abstract: Many computer end-users, such as research scientists and business analysts, need to frequently query a database, yet lack enough programming knowledge to write a correct SQL query. To ...
【Abstract】 This article illustrates scenarios of querying files directly in SQL and provides sample programs written with esProc SPL. It’s convenient and efficient to manipulate database data in SQL.
QSpatiaLite plugin provides a SQL query window similar to MapInfo. It would be nice to be able to benefit from a similar window for all formats supported by QGIS.
Let’s face it, Google knows better what you want to search and find. Their search suggestions, related queries and query expansion are three major ways to help you understand what you really want. Let ...
Let’s say you have a MapInfo polygon layer called “Regions,” and a point layer called “Points.” You can get find out which Region each Point is inside using a MapInfo SQL query like: ...