Install mysql in yum or mysqllinuxyum on linux

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Logon database Tiger causes the slave uard to be not synchronized. tigerdataguard

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Oracle tablespace query and maintenance command Book 3 (temporary tablespace) the most comprehensive history, oracle command book

Oracle tablespace query and maintenance command Book 3 (temporary tablespace) the most comprehensive history, oracle command book-- UNDO tablespace Summary-- View All tablespace namesSelect name from v $ TABLESPACE;-- Create a new UNDO tablespace

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Oracle tablespace query and maintenance command Daquan II (undo tablespace), oracleundo-- Undo tablespace Summary-- View All tablespace namesSelect name from v $ tablespace;-- Create a new UNDO tablespace and set automatic expansion

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Automatic oracle maintenance and oracle MaintenanceCheck whether the ORACLE automatic maintenance task is disabledSQL> select t. client_name, t. status from dba_autotask_client t;CLIENT_NAME STATUS-----------------------------------------------------

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Database cache and database cache mechanismRefresh database cacheExec dbms_stats.gather_table_stats ('pro', 'tbl _ request', cascade => true );Alter system flush shared_pool;What is the database cache mechanism? That is, how does the cache function

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Oracle when row function date, oracle when row

Oracle when row function date, oracle when row Date of use   Oracle internal use of digital storage date: century, year, month, day, hour, minute, second. The default date display format is DD-MON-RR. -- Only the last two digits of a year can

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