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SQL programmingYou can use the HCL OneDB™ implementation of the SQL language to develop applications for HCL OneDB™ database servers.
Guide to SQL: ReferenceThe HCL OneDB™ Guide to SQL: Reference contains the reference information for the system catalog tables, data types, and environment variables of the HCL OneDB™ dialect of the SQL language, as implemented in HCL OneDB™. These topics also include information about the stores_demo, sales_demo, and superstore_demo databases that are included with HCL OneDB™.
Environment variablesVarious environment variables affect the functionality of your HCL OneDB™ products. You can set environment variables that identify your terminal, specify the location of your software and define other parameters.
Environment variables in HCL OneDB™ productsThe topics that follow discuss (in alphabetic order) environment variables that HCL OneDB™ database server products and their utilities use.
JVM_MAX_HEAP_SIZE environment variable

JVM_MAX_HEAP_SIZE environment variable

The JVM_MAX_HEAP_SIZE environment variable can set a non-default upper limit on the size of the heap for the Java™ virtual machine.

size: is a positive integer that specifies the maximum size (in megabytes).

For example, the following command sets the maximum heap size at 12 MB:

set JVM_MAX_HEAP_SIZE 12

If you do not set JVM_MAX_HEAP_SIZE, 16 MB is the default maximum size.

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