Discussion of open issues, suggestions and bugs regarding ADO.NET provider for Oracle
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Joined: Tue 31 Oct 2017 13:47


Post by zhegn-hailin » Tue 31 Oct 2017 13:59

I found when testing some SQL statement execution efficiency, and in some cases the efficiency of ODP.NET in the same note, be roughly the same, their statements and execution environment. but yesterday I was testing a statement, the PLSQL efficiency very fast, in the case of OCI is also very fast, return line number is 26 rows, to return results between 10ms, so the ODP.NET test; but in the case of Direct Devart, a lot of my execution to return a result, the average time in 700ms, but my current statement is not very time-consuming query, but also only is to return 26 rows of data, should also meet the expectations in the implementation of 10ms efficiency, but the fact is very slow,WHY?

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Re: Devart VS ODP.NET

Post by Pinturiccio » Thu 02 Nov 2017 14:35

Please create and send us a small test project with corresponding DDL\DML scripts which reproduces the issue.
Please also tell us the version of Oracle server and Oracle Client.

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