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0 votes
1 answer
530 views

How to optimize Oracle create table function for a table having over 30 million rows and 250 columns

I need to create a table which has over 30 million rows and about 250 columns from another table which has same row number and about 230 columns. It is like ETL process. I use SPSS Modeler to run a ...
CntrkClk's user avatar
1 vote
0 answers
1k views

Low performance on inserts with partitioned table in Oracle 12c

I have a partitioned table in oracle 12c with about 50 millions records. When i make a insert query against the db the response time is about 300 milliseconds, which is really slow compared to an ...
andres's user avatar
  • 21
0 votes
1 answer
90 views

Best way to design for one-to-many code values in Oracle

We receive several millions of records per day on temperature metrics. Most of the pertinent metadata for these records is maintained in a single partitioned table by date (month). We are going to ...
Steve's user avatar
  • 7