Data Access

isCOBOL's two natively supported indexed file systems are JISAM; a pure Java-based ISAM implementation. c-treeRTG; a robust file server provided by Faircom JISAM and c-treeRTG are different, but both are offered by isCOBOL to give our... Read More

You can keep your indexed data in Micro Focus format during a transition period by using the "mfc" file handler. To specify all files as Micro Focus files to be handled by the mfc file handler, use this configuration variable in your runtime... Read More

The problem is in these lines of your select statement: 100008 RECORD KEY IS FILE1-KEY 100009 ALTERNATE RECORD KEY IS FILE1-KEY, You have defined the alternate key to be the same as the primary key, and you're using a file handler... Read More

Yes. Setting the following runtime framework property: iscobol.file.status=com.iscobol.io.FileStatusDG Also note that you can compile with -dcd if you need Data General binary numeric data storage format. Read More

The letter after the 9 is the character representation of the extended file status using ASCII encoding. For example, a 9i is the same as file status 9 with extended status 105 (i.e. EXFS=105) because "i" is 105 in ASCII. You can find these... Read More

The extension on indexed data files may become an issue especially when coming from other legacy COBOL brands. Here we will analyze the different alternatives isCOBOL provides to handle the extension and how it affects several areas of the... Read More

With isCOBOL it's possible to encrypt an indexed file. Encryption of indexed files is supported by the following file systems: - JISAM - CTREEJ It's possible to mix encrypted file with non encrypted files, as needed. Below you can find... Read More

In isCOBOL the format of an ORGANIZATION RELATIVE file with fixed-length records is the same as that of an ORGANIZATION BINARY SEQUENTIAL file with fixed-length records. The records are stored consecutively with only the record data. No... Read More