[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] RAC RAC (Real Application Clusters) 2nd 3rd 4th 5th 6th 7th availability advantages availability, and Cache Fusion support hardware failover, compared to high availability support node failure management 2nd physical distancing of clusters scalability and RACGuard RAD (Rapid Application Development) RAID (Redundant Array of Inexpensive Disks) 2nd control files, need for backup levels 2nd selection RAID-S arrays range partitioning ranking functions Rapid Application Development (RAD) RAW datatype RDBMS (relational database management systems) Oracle products family READ COMMITTED isolation level read locks read operations, example read-only tablespaces backup and recovery Real Application Clusters [See RAC]records recovery 2nd [See also RMAN]3rd backups, using complete database recovery fault-tolerant disk arrays, and options PITR planning preparations RECO (Recover) process targeted and rollforward testing 2nd RECYCLE buffer pool redo log buffer size and performance redo logs archive logs, isolation from archives checkpoint records cold backups, and device assignment fast commits, and filenames mirroring to remote site multiplexing 2nd naming conventions online sequence numbers suppression of logging threading REF datatype relational databases [See databases, relational]Relational Online Analytical Processing (ROLAP) Relational Software, Incorporated (RSI) relationships replication 2nd 3rd advanced bandwidth, and overhead Replication Manager reporting aggregate functions reporting tools Reports Server, AS 10g Enterprise Edition request queues resilience resumable space allocation RETENTION AREA parameter Reuter, Andreas reverse key indexes REVOKE statement RMAN (Recovery Manager) 2nd 3rd incremental backups ROLAP (Relational Online Analytical Processing) roles rollback 2nd rollback segments 2nd Flashback Query, and ROLLBACK statements rollforward rolling upgrades round-trip engineering ROWID pseudocolumn ROWIDs rows rule-based optimizers limitations of run queue runs
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