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With firehose cursors the SELECT query is sent and the server responds with all the resulting rows.This is the fastest approach but it means that the driver has to cache all results if another request needs to be made before all rows have been processed.See also use experimental true distributed transaction support. ^ top ^ j TDS is supposed to be the fastest JDBC driver around. In our oppinion this is better than having a benchmark of our own, which could be designed in such a way as to give j TDS the edge.True distributed transaction support is only available for SQL Server 2000 and requires the installation of an external stored procedure in the target server (see the README. These benchmarks are free to download so we encourage you to do it and run them yourself.Currently j TDS automatically falls back from 8.0 to 7.0 (if used with SQL Server 7.0) and from 5.0 to 4.2 (with Sybase 10) so specifying the value for this parameter is only necessary for SQL Server 6.5.Instructs j TDS to use server side cursors instead of direct selects (AKA firehose cursors) for forward-only read-only result sets (with other types of result sets server- or client-side cursors are always used).When using Microsoft tools, selecting one of these instances is made by using ".
Here are the results of the i-net test: Bench Test 2.1 for MS SQL Server.This means that SQL Server 7.0 can be used with TDS 4.2, but the limitations of the protocol apply regardless of the server version (e.g.when using TDS 4.2 ) when connecting to any version of SQL Server as this is a Sybase specific protocol.Caching the meta data will reduce the processing overhead when reusing statements that return small result sets that have many columns but may lead to unexpected errors if the database schema changes after the statement has been prepared. Only applicable to SQL Server (there is no prepare SQL=3 mode for Sybase). If present and the user name and password are provided, j TDS uses Windows (NTLM) authentication instead of the usual SQL Server authentication (i.e.the user and password provided are the domain user and password).
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Currently has no effect when using named pipes to connect to a database (see Controls the global buffer memory limit for all connections (in kilobytes).