The ProxyServer must be running on the middle-tier machine. This will increase overall performance by reducing the total number of requests. If this property is set to “false”, no intermediate objects are used for packed and zoned decimal conversions. The data description classes allow a Java program to describe the record format of a buffer of data with an object. If this is set to “true”, then a package name must be set using the “package” property.

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Both sequential and keyed sequential data queues can be access using the DataQueue and KeyedDataQueue classes.

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Trace messages are logged to System. Stack Overflow works best with JavaScript enabled. See BidiStringType for more information. Activating Security Subsystem The classes can be used by Java applets, servlets, and applications to easily access IBM i data and resources. Specifies the library and file name of a sort sequence table stored on the system. Specifies whether “currently committed” access is used on the connection.

Setting this value is usually used if a firewall proxy is needed to connect to the server. The behavior depends on the resultSetType: The default port is if the connection uses SSL, the default port is Specifies the rounding mode to use when working with decfloat data type.


Specifies the time separator used in time literals within SQL statements. Specifies the criteria for retrieving data from the system in blocks of records.

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Possible values are the following. Specifies whether to cache a subset of the SQL package information in client memory.

This can be useful to improve the performance of complex join conditions. Additionally, setting this property to true enables support for the ResultSetMetaData. This will increase overall performance by reducing the total number of requests. Correct Answers – 4 points. The ProxyServer must xq running on the middle-tier machine.

By default, the parameter is silently truncated to the length for the parameter. Specifies the buffer size used to send data through the socket connection between the front-end driver and the IBM i system.

The resources used by jobs are group into system pools. The classes also allow access to information about a message on a message queue. Specifies the JDBC driver implementation. A value of 1 indicates that “currently committed” will be used. These properties determine which JDBC driver is used, and specify options related to level of database access, bidirectional string type, data truncation and so on. A list of IBM i messages generated by the command is available when the command completes.


Setting this property to true may slow performance because it requires retrieving more information from the system. Specifies the URL to be used for a connection on the middle-tier’s DriverManager in a multiple tier environment, if it is different than already specified.

When you specify a database name, the name must exist in the relational database directory on the system and correspond to either an independent ASP or the system za database. The AS class manages a set of socket connections to the server jobs on server and sign-on behavior for the server, it400 prompting the user for sign-on information, password caching, and default user management.

If this property is set to “true”, cursors are not closed when a transaction is committed.

Writing truncated numeric data to the database always throws an error tj400 using truncated numeric data in a query always posts a warning, unless specified otherwise by the use of the “numeric range error” property.