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access method
- The process of operating in a database to store or retrieve data
- The movement of physical data to and from a computer and its storage
devices
Account Support Engineer
- The DISC representative, also known as an ASE, involved in pre-sales
customer support, providing early database consulting services.
active cursor
- The current internal Omnidex Access work space. See also: CURSOR.
address
- A numerical identifier for distinguishing one network node from another.
aggregation index
- Keys to data based on the SQL functions COUNT, SUM, MIN, and MAX.
See also: Aggregation/Sorted Key Index.
aggregation table
Aggregation/Sorted
Key Index (ASK)
- A type of Omnidex index that facilitates extremely high speed aggregations
used primarily in OLAP and data warehousing applications. Aggregation/Sorted
Key Indexes are commonly referred to as ASK Indexes. ASK Indexes generally
combine multiple criteria fields along with one or more metric fields
into a single composite index. ASK Indexes can also be used to provide
sorted and linkage access to data files such as flat files that do not
provide native sorted indexes.
aggregations
- Summarizations of data, e.g., AVG, MIN, MAX, SUM, COUNT
- The process of summarization (sum), averaging (AVG), finding the minimum
(MIN) or maximum (MAX) values.
AND criteria
- Multiple criteria values or predicates that rows must match all or
will not qualify.
API
- Application Programming Interface - a collection of callable routines
providing specific functions. Omnidex provides two different APIs.
- SQL Language Interface with Omnidex extensions, which is callable
through ODBC, JDBC and OmniAccess applications (via oaexecsql).
- Omnidex Access API, commonly referred to as the OA API.
ASE
- See Account Support Engineer.
ASK Index
- See Aggregation/Sorted Key Index
asynchronous process
- A process whose execution proceeds independently of other processes,
e.g. as a background process.
atomic data
- Information at the most simple level of detail, having low granularity.
See also: granularity.
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