Download Oracle Essentials - Oracle Database 11g by R. Greenwald, et. al., PDF

By R. Greenwald, et. al.,

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BI Publisher A publishing and report layout tool used in generating high-fidelity reports from XML data. Service Registry The Oracle Service Registry enables publishing and advertising of services and provides a System of Record for SOA services. SOA Suite for Oracle Middleware The Suite bundles Oracle Fusion Middleware SOA offerings, including BPEL, BAM, business rules engine, Enterprise Service Bus (for messaging, routing, and transformations), Web Services Management (including a policy manager and monitoring dashboard), Web Services Registry, and applications and technology adapters.

Oracle8 added the capability to store multiple LOB columns in each table. Oracle Database 10g essentially removed the space limitation on large objects. Oracle Database 11g greatly improved the performance of query and insert operations used with LOBs through the introduction of SecureFiles. Transparent data encryption is supported for SecureFiles LOB data. Object-oriented programming Support of object structures has existed since Oracle8i to provide support for an object-oriented approach to programming.

By breaking up a single task into smaller tasks and assigning each subtask to an independent process, you can dramatically improve the performance of certain types of database operations. Examples of query features implemented in parallel include: Table scans Nested loops Sort merge joins GROUP BYs NOT IN subqueries (anti-joins) User-defined functions Index scans Select distinct UNION and UNION ALL Hash joins ORDER BY and aggregation Bitmap star joins Partition-wise joins Stored procedures (PL/SQL, Java, external routines) In addition to parallel query, many other Oracle features and capabilities are parallelized.

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