redo log buffer cache in oracle 11g

redo log buffer cache in oracle 11g

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Glossary - Oracle

    https://docs.oracle.com/cd/E11882_01/server.112/e40540/glossary.htm
    online redo log. The set of two or more online redo log files that record all changes made to Oracle Database data files and control file. When a change is made to the database, Oracle Database generates a redo record in the redo buffer. log writer (LGWR) writes the contents of the redo buffer to the online redo log.
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    https://docs.oracle.com/cd/E11882_01/server.112/e40540/glossary.htm

Oracle Memory Architecture Internals(SGA & PGA) - Oracle …

    https://databaseinternalmechanism.com/oracle-database-internals/oracle-memory-architecture-sga-pga/
    • When the redo buffer gets one-third full or contains 1MB of cached redo log data; Buffer Cache: The block buffer cache is where Oracle stores database blocks before writing them to disk and after reading them in from disk. There are three places to store cached blocks from individual segments in the SGA: • Default pool (hot cache): The ...
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12c hidden undocumented parameter list - dba-oracle.com

    http://www.dba-oracle.com/t_12c_hidden_undocumented_parameters.htm
    _cr_server_log_flush if TRUE, flush redo log before serving a CR buffer _cr_trc_buf_size size of cr trace buffer _crash_domain_on_exception allow domain to exit for exceptions in any thread
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    http://www.dba-oracle.com/t_12c_hidden_undocumented_parameters.htm

Database Concepts - Contents - Oracle

    https://docs.oracle.com/cd/E11882_01/server.112/e40540/toc.htm
    Overview of the Online Redo Log. Use of the Online Redo Log; How Oracle Database Writes to the Online Redo Log; Structure of the Online Redo Log; 12 Logical Storage Structures. Introduction to Logical Storage Structures. Logical Storage Hierarchy; Logical Space Management; Overview of Data Blocks. Data Blocks and Operating System Blocks; Data ...
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    https://docs.oracle.com/cd/E11882_01/server.112/e40540/toc.htm

Oracle MCQ (Multiple Choice Questions) - Sanfoundry

    https://www.sanfoundry.com/1000-oracle-database-questions-answers/
    1. Multiple Choice Questions on Oracle Database 11g Architecture Options. The section contains multiple choice questions and answers on oracle db 11g architecture, databases and instances, programmatic oracle structures, storing and guarding the data, installing the oracle database and creating a database.
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How To FULL DB EXPORT/IMPORT - Ask TOM - Oracle

    https://asktom.oracle.com/pls/apex/f?p=100:11:0::NO::P11_QUESTION_ID:1463976400346989259
    02/02/2009 · How To FULL DB EXPORT/IMPORT Hello Tom, How to do a Full DB exp and Import.I do say exp system/manager@xyz FULL=Y FILE=FULL.DMPThen If I want to do a full Import to a new freshly created DB which only has the default schemas sys , system , etc.1) Please correct me :- I would need to pre-create all
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    https://asktom.oracle.com/pls/apex/f?p=100:11:0::NO::P11_QUESTION_ID:1463976400346989259

Convert date to string and compare, or convert string to dat ... - Oracle

    https://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:4843459400346642911
    07/05/2012 · Convert date to string and compare, or convert string to date and compare? Tom, please consider this:I have a database/table with a DATE column that has no index and has the format 'DD-MM-YYYY'. I would like to use a standard format in my PL/SQL code that does not lead to implicit database conversions between date formats in the table's date columns and …
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    https://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:4843459400346642911

Sqoop User Guide (v1.4.7)

    https://sqoop.apache.org/docs/1.4.7/SqoopUserGuide.html
    Sqoop is a tool designed to transfer data between Hadoop and relational databases or mainframes. You can use Sqoop to import data from a relational database management system (RDBMS) such as MySQL or Oracle or a mainframe into the Hadoop Distributed File System (HDFS), transform the data in Hadoop MapReduce, and then export the data back into an …
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    https://sqoop.apache.org/docs/1.4.7/SqoopUserGuide.html

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