sex dating in mineral point wisconsin - Updating table using cursor in oracle
Have you tuned that SQL statement so that it effeciently pulls the data out of the database? Take the COMMIT out of the loop and see if that helps your performance.
You also mentioned that you are updating rows in another table in your cursor's loop. Finally, are you sure that you cannot perform this as one simple SQL statement rather than updating in a cursor's loop?
file,10) full (contracts_file) */ * from contracts_file ))) f on d.contract_id = f.contract_id when matched then update set desc = f.desc, init_val_loc_curr = f.init_val_loc_curr, init_val_adj_amt = f.init_val_adj_amt when not matched then insert values ( f.contract_id, f.desc, f.init_val_loc_curr, f.init_val_adj_amt); In Oracle Database 10g, the MERGE statement has been extended to cover a larger variety of complex and conditional data transformations, allowing faster loading of large volumes of data.
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For instance, I might have the following psuedo code: Excuse my psuedo code off the top of my head.
In the above sample, I am selecting a value from TABLEX.
That is, you can only update the same row of the target table once in the same MERGE statement.
This clause can also be extended to lock only the intended table in the SELECT query containing more than one table in joins using the FOR UPDATE OF clause.
This clause becomes meaningless if we use a single table SELECT clause as the minimum Oracle has provided us with the WHERE CURRENT OF clause for both DELETE and UPDATE statements inside a cursor’s range to make changes to the last fetched row(s) from the cursor with an ease.
When we want to update or delete the cursor fetched row(s) from the database, we don’t have to form In the below code listing, the employees joined before the year 2000 are archived and during the cursor process, no other session is permitted to make any changes to those employees using the FOR UPDATE clause.
The decision to perform an insert or update is based on conditions specified by you.
The MERGE statement is designed to combine multiple operations to reduce the complexity of mixed insert and update operations.
In the past, we'd have accomplished this by a combination of INSERT and UPDATE statements, but starting with Oracle we've now got the Oracle MERGE command which does this in one step.
What's more, we can wrap up the whole transformation process into this one Oracle MERGE command, referencing the external table and the table function in the one command as the source for the MERGED Oracle data.
Oracle clears out any unneeded transactions in the rollback segment but eventually it fills up and the error occurs.Tags: Adult Dating, affair dating, sex dating