Mathematical function in a database system refers to mathematical operations that can be performed on data in the database. Mathematical functions can include various operations such as addition, subtraction, multiplication, division, and other mathematical operations that are used to manipulate data in the database. Mathematical functions are often used in database queries to obtain the results of calculations or statistics about the data in the database.
View all tagsThe basic search engine in the HgDB database is the Apache Lucene index implementation. Lucene Core is a Java library that provides advanced indexing and search features, as well as spell checking, hit highlighting, and advanced analysis capabilities. This article will describe the rules for creating search and aggregate queries that apply in Mercury DB (HgDb) 3.0.