Oracle Essentials: Oracle9i, Oracle8i and Oracle8, Second Edition
by Rick Greenwald, Robert Stackowiak, Jonathan Stern
Oracle Lite
Oracle Lite is Oracle’s suite of products for enabling mobile use of database-centric applications. Key components of Oracle Lite include the Oracle Lite database and iConnect, which consists of Advanced Replication, Oracle Mobile Agents (OMA), Oracle Lite Consolidator for Palm, and Oracle AQ Lite.
Although the OracleLite database engine can operate with much less memory than other Oracle implementations (it requires less than 1 MB of memory to run on a laptop), Oracle SQL, C and C++, and Java-based applications can run against the database. Java support includes support of Java stored procedures, JDBC, and SQLJ. The database is self-tuning and self-administering. In addition to Windows-based laptops, OracleLite is also supported on handheld devices running WindowsCE and Palm OS.
A variety of replication possibilities exist between Oracle and Oracle Lite, including the following:
Connection-based replication via Oracle Net, Net8, or SQL*Net synchronous connections
Wireless replication through the use of Advanced Queuing Lite, which provides a messaging service compatible with Oracle Advanced Queuing (and replaces the Oracle Mobile Agents capability available in previous versions of Oracle Lite)
File-based replication via standards such as FTP and MAPI
Internet replication via HTTP or MIME
You can define replication of subsets of data via SQL statements. Because data distributed to multiple locations can lead to conflicts—such as which location now has the “true” version ...
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