COM INTERNETCDS JDBC TDS DRIVER DOWNLOAD

Properties can be passed to jTDS in one of three ways: This is common if say you are querying a stored procedure that creates a temp table, runs updates against it and then returns the table as a result set. Features such as generated keys retrieval, named stored procedure parameters, and save points are also implemented. Normally, with a JDBC driver, PreparedStatement s are precompiled on creation, which gives increased performance if they are used a sufficient number of times. In order to change that you have to specify it explicitly in the Properties or the URL you supply when you create the connection.

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When executing a stored procedure or any query, for that matter the response from the SQL Server is serialized in the same order it is executed in: The only part of jTDS we guarantee is thread safe is the Connection object, and multi threaded access to Statement s is discouraged except for issuing cancels. If you need help with any other jTDS-related issue, ingernetcds the Help forum first and if you still don’t find anything, post a question.

Then i has been connected with SQL Server As a sidenote, The Microsoft driver and probably the others, too “optimize” this behavior by skipping over the update count, which is wrong according to the JDBC spec. Impossible to say which though but most likely your own.

Here are the results of the i-net test: Temporary stored procedures are created for each unique SQL statement and parameter combination faster. Where does one place an instance name in the connect string? Why do I get a java. In both cases if you call Statement.

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jTDS JDBC Driver

Class-Path May 16, 9: The number of statements that are kept open simultaneously can be controlled with the maxStatements parameter; see the jTDS URL format for more information.

Of course, we will keep offering support on our SourceForge forums just as we did until now. No suitable driver what’s wrong with my same code, no changes made So for procedures returning ResultSet s you will have to loop, consuming all results internetfds reading the output parameters i. Until telnet doesn’t connect, jTDS won’t either. It is possible to use mixed parameter lists to call stored procedures that do not have output parameters. If you experience this interrnetcds with versions 0.

The root cause is that triggers also return update counts and jTDS can’t make the difference between idbc update counts and the “real” one neither could any other SQL Server client.

Other I didn’t find the answer to my problem in this FAQ. A common mistake is to append tes semicolon “;” to the end of the URL e.

As a conclusion the only safe multithreading scenarios are these: This is common if say you are querying a stored procedure that creates a temp table, runs updates against it and then returns the table as a result set. Have you got any figures to prove that?

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The set of properties supported by jTDS is:. In this case the driver will be able to use an RPC succesfully as all the parameters are represented by parameter markers?

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Although this internecds that a “good” driver could “fix” this behavior, fixing it would imply caching the whole server response, equaling a huge performance drop. Have something to contribute to this discussion? Actually we do have benchmark results from two different benchmarks, both developed by large commercial SQL Server JDBC driver vendors to demonstrate the performance of their own drivers.

The only major features missing from jTDS are connection pooling and row sets; the reason for iternetcds these out is that there are free implementations available, probably much better than anything we could come up with. I m using SQL Server When calling a stored procedure that has output parameters, the driver has to call the procedure using a remote procedure call RPC.

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A common solution rather than the inelegant execute and then cycling through multiple result sets, is to supress the update counts for statements you are uninterested in. The jfbc suitable driver” exception is thrown by the DriverManager when none of the registered Driver implementations recognizes the supplied URL. When jTDS sends the 8. For queries that return multiple results the JDBC spec requires execute to be used.