Search found 87 matches

by rajasekhart
Wed May 29, 2013 5:00 am
Forum: Vertica Database Administration
Topic: User with dbadmin role cannot drop another user
Replies: 2
Views: 5641

User with dbadmin role cannot drop another user

Hi , Got a problem while dropping a user (created by DBADMIN ) connecting with the user who is having the DBADMIN Role Enabled.!! According to the Administrators guide , i'm having the following privileges to the user , who has DBADMIN Role Enabled. The DBADMIN Role Every database has the special DB...
by rajasekhart
Sat May 18, 2013 7:56 am
Forum: Vertica Database Development
Topic: Is Snapshot in oracle and Vertica are same??
Replies: 0
Views: 3713

Is Snapshot in oracle and Vertica are same??

Hi..

As Oracle is having Snapshot option.. and even the vertica too..


Is Snapshot in oracle and Vertica are same??


Thanks
Raj!!
by rajasekhart
Sat May 18, 2013 5:43 am
Forum: Vertica Database Development
Topic: Do Vertica have Flashback table Concept??
Replies: 1
Views: 4937

Do Vertica have Flashback table Concept??

Hi,

As Oracle is having Flashback Concept,

Do Vertica too have Flashback Concept??
by rajasekhart
Fri May 17, 2013 2:29 pm
Forum: Vertica Database Development
Topic: Can we Lock Table??
Replies: 3
Views: 8500

Can we Lock Table??

HI,

Can a user lock a table in vertica?

As Oracle having the syntax as follows
Lock table <Table_Name> Exclusive Mode ;

Do Vertica have this kind of facility??

Thanks,
Raj!!
by rajasekhart
Fri Mar 29, 2013 5:25 am
Forum: Vertica SQL
Topic: Analyticts Functions Use Current Row Value
Replies: 4
Views: 14153

Re: Analyticts Functions Use Current Row Value

Hi knicely, Thanks a lot for your quick response. I have verified the timing also. By using the analytic function in the query, it is taking lot of time to retrieve the records compared to the normal aggregate function. Nearly it is taking 3 times the aggregate function execution time. Execution tim...
by rajasekhart
Thu Mar 28, 2013 6:30 am
Forum: Vertica SQL
Topic: Analyticts Functions Use Current Row Value
Replies: 4
Views: 14153

Re: Analyticts Functions Use Current Row Value

Hi Knicely, Is using analytic function recommended one? Does it reduces the performance of the query? Eg: select Distinct Department , Count(Emp_ID) Over (Partition By Department) as Emp_Count From EMP; Can i use the above query instead of the below one!! Which performs better? Select Count(Emp_ID),...
by rajasekhart
Fri Dec 28, 2012 7:54 am
Forum: Vertica Database Development
Topic: Error While Restoring the schema from a Database.
Replies: 1
Views: 5304

Error While Restoring the schema from a Database.

Hi, I Backed up a schema from one server of vertica version “Vertica Analytic Database v6.0.0-0” and trying to restore it in the another server of vertica version “Vertica Analytic Database v6.0.1-0”. When I was trying to restore the backup(after stopping the Database), it is showing an error like ‘...

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