The Best Oracle DBA Online Training || Oracle DBA Classes

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ORACLE DBA ONLINE TRAINING
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ORACLE DBA

• INTRODUCTION
• Undo Introduction
• offline status Pending
• Rollback segments
• Features of Flashback
• Flashback Table
• Flashback query
• Flashback Version query

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ORACLE DBA

• Database storageTable spaces and allocation
  types.Create table spaces.Create data files
  with fixed size and auto extend option.Control
  files and producing a trace output to view its
  contents.How to rename data files in a control
  file.Redo log File architecture and best
  practices.

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ORACLE DBA

• This illustrates that like most industry
  buzzwords, Big is a cynical spin on what should
  more often be called awkward. A billion rows of
  normalized data in a well-designed schema might
  be large, but it's hard to see a big pay packet
  coming from running an aggregate function like
  Average on it. To be a lucrative skill there has
  to be some pain that you can overcome for your
  patient employer.

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ORACLE DBA

• YOU know how the Fat Controller (yes, its
  called that at one bank) sucks in data and no one
  else does, not well enough that theyd ever dare
  lose you. Thats good until the day that some
  jerk whispers Hadoop into the ear of your CIO.
  Then what you have are non-portable skills that
  can only be used in one firm which is phasing
  them out. This is so bad that you must be that
  jerk. It's better to be leading the charge than
  be ridden over and even if the project goes tits
  up, Hadoop is a pretty good word to have on your
  CV.

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ORACLE DBA
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ORACLE DBA

• Database Administrators (DBAs) are responsible
  for the design, implementation, support and
  maintenance of computerized databases in today's
  organizations. The role also includes
  architecting, building and scaling databases for
  future data growth and capacity. They are also
  responsible for security, performance and
  availability of data to users and customers. .
• All the above tasks are performed with the help
  of a Database Management System (DBMS) and the
  leading and most widely used DBMS across the
  world today are the Oracle Database, Microsoft
  SQL Server, My SQL database etc. Out of the three
  DBMS technologies, Oracle Database is the most
  popular and widely used database in the world
  today.

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ORACLE DBA
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ORACLE DBA

• Each database requires at least one database
  administrator (DBA) to administer it. Because
  an Oracle database system can be large and can
  have many users, often this is not a one person
  job. In such cases, there is a group of DBAs who
  share responsibility.

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