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Zim 9 Connectivity

Program Compilation

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The Zim “COMPILE” command is capable of compiling application programs in one of the same three modes as described for program execution:


SQL mode


Zim Integrated Server mode


Standard Zim mode


The default mode of operation is SERVERMODE. For all database servers except Zim Integrated Server, SERVERMODE and SQLMODE behave identically. In SERVERMODE, a Zim client accessing tables on Zim Integrated Server sends Zim commands to the server instead of SQL commands which greatly improves performance. In SQLMODE, the ZIM client determines the optimal SQL syntax to send to the server by inspecting the values for “EntType” or “RelType” in the Object Dictionary for the tables specified in the command.

Therefore, for each EntitySet or data relationship, either standard Zim compiled code or, ZIS/SQL database specific compiled code is generated depending upon the “EntType” and/or “RelType” values. In addition, when compiling under SERVERMODE or SQLMODE, if at least one command causes an SQL reference to be generated, then the compiler flags the entire compiled program file as compiled for an SQL database. If there are no ZIS/SQL references generated, then the compiled file is flagged as compiled for Zim. You do not have to be connected to the SQL server to compile in standard Zim mode.

The mode in which the Zim compiler operates may be set by the command:


where SQLMODE is the default setting. For example, if the command:

set compilemode zimmode

were executed, then the Zim “COMPILE” command would revert to generating standard Zim compiled code and would also flag the compiled program file as being compiled for Zim. All members of the Zim product families can execute such compiled programs.

The “SET COMPILEMODE” command is ignored by the Zim runtime products.

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