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R-tree indexes 
RAID (Redundant Array of Inexpensive Disks) 
    hardware versus software RAID 
    hot-swappable disks 
    IDE versus SCSI disks 
    mirroring 
    multiple arrays, using 
    on slaves 
    parity blocks 
    RAID 0 
    RAID 1 
    RAID 10 (RAID 1+0) 
    RAID 5 
    RAID tables (MyISAM storage engine) 
    striping 
    summary of features 
    write caching 
raw backups 
read committed isolation level 
read lock 
read uncommitted isolation level 
read/write locks 
read_heartbeat script 
reconfiguration 
recovery
    dumps, restoring from 
    mysqldump 
    mysqlhotcopy 
    mysqlsnapshot 
    offline backups 
references privilege 
regular expressions and indexes 
Reiser, Hans 
ReiserFS filesystem 
reload privilege 
REPAIR TABLE command 
repeatable read isolation level 
replication  2nd 
    administration and maintenance 
        log rotation 
        master status 
        masters, changing 
        monitoring 
        replication heartbeat 
        slave status 
    architectures 
    backups and 
    common problems 
        binary and transaction logs out of sync 
        bulk-loading data 
        hostname changes, caused by 
        log corruption 
        missing temporary tables 
        nonreplicated dependencies 
        nonunique server IDs 
        slave data changes 
    configuring 
        account creation 
        configuration file entries 
        custom architectures 
        dual master architecture 
        on existing servers 
        master and slave servers 
        master, restarting 
        new servers 
        pyramid architecture 
        replication ring (multi-master) 
        slave with two masters architecture 
        slave, restarting 
    files and settings 
        filtering 
        log files 
        log index files 
        status files 
    implementation, differences in MySQL versions 
    LOAD TABLE FROM MASTER command 
    master and slave servers 
        query processing 
    over an intermittent connection 
    performance, testing 
    problems not solved by 
        online ordering 
        real time data transmission 
    problems solved by 
        backup and recovery using 
        data distribution 
        high availability and failover 
        load-balancing using 
    proposed enhancements 
        fail-safe replication 
        safe multi-master replication 
        slaves, adding 
    query processing 
        MySQL 3.23 
        MySQL 4.0 
    rules 
    slaves, copying master data to 
        snapshots versus backups 
    tools 
        check_repl script 
        fix_repl script 
        mysqlbinlog utility 
        mysqldiff script 
        purge_binary_logs script 
        read_heartbeat script 
        write_heartbeat script 
requests 
RESET MASTER command 
REVOKE command 
role based addressing 
ROLLBACK statement 
round-robin DNS 
row locks 

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