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Question:  How to get the last password changed time for a oracle user? Answer: The SYS view user$ consists of a column PTIME which tells you what was the last time the password was changed for the user. Try this query: SELECT name,        ctime,        ptime FROM   sys.user$ WHERE   name = ' USER-NAME '; Note: Replace USER-NAME with the user name which you want to know the information. CTIME Indicates - Creation Time PTIME Indicates - Password Change Time Here's the table DESC ription: Name         Type                Nullable Default Comments  ------------ ------------------- -------- ------- --------  USER#        NUMBER                                         NAME         VARCHAR2(30 BYTE)   ...

When an 11g database is created without  tweaking  any of the options, using either  dbca  or the  installer , the schema listed in the table below,  36 of them(!) , are created by default. This document gives an overview of their purpose and function and, should the functionailty not be required, whether they can be safely deleted or not without compromising the fundamental operation of the database. Additionally, having been removed, if a schema is required again, there are details of which script(s) are required to be run in order to recreate it. Click here to read the entire article which lists the schema's and its importance in 11g. Metalink Note: Further information can be found in Metalink article  160861.1

Creating or Rebuilding Indexes Online: Online Index Rebuilds allows you to perform DML operations on the base table during index creation. You can use the CREATE INDEX ONLINE and DROP INDEX ONLINE statements to create and drop an index in an online environment. During index build you can use the CREATE INDEX ONLINE to create an index without placing an exclusive lock over the table. CREATE INDEX ONLINE statement can speed up the creation as it works even when reads or updates are happening on the table. The ALTER INDEX REBUILD ONLINE can be used to rebuild the index, resuming failed operations, performing batch DML, adding stop words to index or for optimizing the index. The CREATE INDEX ONLINE and ALTER INDEX REBUILD ONLINE options have been there for a long time to easy the task of online index rebuilding. However in highly active they still can introduce locking issues. Table Locks: A table lock is required on the index base table at the start of the CREATE or REBUILD process to...