Glossary

Multidimensional Database; a database architecture used to perform OLAP by summarizing data into a special database structure. See OLAP.

Multi-Dimensional Keyword. MDK is used as an abbreviation in things like Explain Plans or OdxSQL Show Table prior to version 5.1

Multi-Dimensional Keyword Index. A Type of Omnidex Index used for fast counts. This terminology is no longer used as of Omnidex verision 5.1. However, the term may still show up in Explains Plans and in older programs. MDK Index is either an OMNIDEX, QUICKTEXT or FULLTEXT Omnidex Index type.

Also meta data; data which describes data, i.e., data characteristics such as field name, field length for data storage requirements, data type, field definition, data source, etc.

Columns or fields that are used to summarize data;

Columns that are used by the functions SUM, MIN, MAX, and AVG in container applications.

an intrinsic parameter that specifies what type of action is to be performed.

A database design in which data is viewed using more than two sets of criteria.

Composite (one or more items from a field) keyword keys composed of data from one or more tables. Also known as MDK Indexes. See OMNIDEX indexes and keyword indexes.

a retrieval feature that supports keyword searches across domains using field values from previously qualified records as keyword arguments against a table in a different domain.

A field specified for OMNIDEX keyword retrieval. See OMNIDEX indexes, keyword indexes and MDK Index.

The ability of OMNIDEX to qualify records based on arguments entered against several keys.

A feature used to lock several data resources simultaneously. This capability is used by programs that update or lock OMNIDEX databases, data sets, or items.