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    Maxwell Miranda
    Oracle DBA Consultant.
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    • Flashback database to date back and forth
      Code: --------- SELECT NAME, TIME FROM v$restore_point order by time; NAME TIME ---------------------------------------- ----------------------------------- RST_PNT_20180306_1135 06-MAR-18 AM *Got flashbacked to this 6th Mar* RST_PNT_20180308_0132 08-MAR-18 AM RST_PNT_20180315_0332 15-MAR-18 AM RST_PNT […]
    • Downgrade database from Oracle to Oracle using catdwgrd.sq
      Downgrade database from Oracle to Oracle Like to know if any one successfully downgraded the database from version Oracle 12cR2 ( Release 2) to Oracle 11g Release 2 ( using manual method of catdwgrd.sql. Please share your views and inputs as we are unable to downgrade it successfully. Refereed the https://docs.oracle.com/en/databa […]
    • New user in oracle having access to all tables
      Hi, I have created a new user in oracle database as follows create new user u1 identified by u1; grant create session to u1; when I login with new user ,it has access to all tables in other schema except system and sys tables. i want to create a user who does not have access to any table on any schema. how it can be achieved? Thanks
    • Auditing userid creation, deletion and changes to roles granted.
      Is there an oracle auditing option to audit userid creation, deletion and changes made to the userid (system/object privileges granted or revoked)?
    • ORACLE SQL - Adding Results from Multiple Select Statements
      I apologize if this question is not in the correct area. I have eight select statements, each to get the sum of particular information. These are not simple queries, so I will not include them here. I have made up a simpler version (based on some code I found in a forum) as shown below. So, I have eight sums. I need a ninth sum that is the total of all eight […]
    • Cannot change undo_tablespace parameter in RAC node
      Hi, I am trying to change the undo tablespace in DB instance, unsuccessfully. Approach 1: SQL> show parameter undo NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ temp_undo_enabled boolean FALSE undo_management string AUTO undo_retention integer 900 undo_tablespace string *UNDOTBS2* SQL> SQL> ALTER SYS […]
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11g: New Components

Following are new components which are available when installing Oracle 11g:

Oracle Application Express (APEX): APEX is a rapid application development tool for developing database centric web-based applications. In Oracle 11g, it is highly enhanced and available in the Oracle database CD.

Oracle SQL Developer: Oracle SQL Developer is a graphical tool for examining database objects and issuing SQL commands. It is automatically installed, if you create a template-based database.

Oracle Real Application Testing: Oracle Real Application Testing option is automatically installed with the Enterprise Edition installation. This option includes two solutions to test the effect of the system changes on the real-world applications: Database Reply and SQL Performance Analyzer. Both of those solutions will be discussed in later sections.

o Oracle Configuration Manager (OCM): OCM is an optional component and it collects information about software configuration in the Oracle home directories and uploads it to the Oracle configuration repository.

o Oracle Warehouse Builder: it is a business intelligence (BI) design tool and is automatically installed as part of the Oracle database software.

o Oracle Database Vault: Oracle Database Vault component enables you to secure business data even from DBAs. In Oracle 11g, it is a component available during installation and to install it, you must select the Custom installation option.

o Oracle Shadow Copy Service: When you install Oracle 11g on Windows 2003 servers, a service named as Volume Shadow Copy Service (VSS) is installed. This service is an infrastructure that enables the users to create snapshots called shadow copies.


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