JBase. May i know is there any beginner tutorial or something like “getting started ” for the beginners, before moving on to the complex tasks, such as advanced. jBC is a programming language that is used in jBASE post-relational (multi-value ) DBMS. Syntax is Basic-like; compilation process firstly converts the source. jBASE is a multivalue database system. jBASE was released in by a small company in the UK, then named. James Anthony Consultants,(JAC), later to.

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When command terminates, the jsh process will also terminate. BP Native file C: In our example below we will be using C: Enter jchmod command with the option to add backup of file using jbackup. Reporting only do not actually resize. If updates have been made you will be prompted for confirmation before the updates are discarded.

In this case, the record-list is ignored. Enter jchmod command with the option to remove backup of ibase using jbackup.

The jrestore can be controlled to restore from any file type on the backup, from single records to multiple directories. Not finding what you’re looking for? Specify the directories you want to backup and then pipe the directory into the jbackup command.

Specifies which shell emulation to use when executing jsh.


Some of the main features of the jsh are: Enjoy and please provide comments and feedback. Add the following data into the corresponding row. Restore the whole account note the use of the -v, -O and -f options: Edit the program using JED tuorial add the data below. The jbackup utility provides fast on-line backup facilities and can also be used to check file integrity.


If Account Name is yutorial specified, the last element in Account Directory is used as the account name. If the jsh command is issued without arguments, a jsh process is spawned andthis process tutoriap your command shell. From the standard shell we will enter the following syntax: In order to resize the file enough disk space must be available to create a second temporary version of the file, as the resize process creates a temporary file and then copies the data from the original file to the temporary file.

Enter jstat command with verbose display and filename. Once copied then the temporary file is renamed to the original file.

The name can include absolute or relative path information. Restore a hashed file set, e.

Some Operating Systems require large file support to be enabled when the file system is created. Please make sure this is your intention. Windows does not have a ‘find’ command so jBASE provides a ‘jfind’ command; the syntax is essentially the same, so you would have something like this: The more primitive features seen on some older platforms such as the “dot” command stacker have been replaced with easier to use and more functional equivalents.

On Windows, colors can be globally set using the Console setup from the Control Panel or by selecting the Properties of a jShell shortcut.


Restore the whole account to another location note the use of the -c and -d options: Running the below jrestore command will overwrite the existing account with your account backup. The source is compiled using the jBC command.

Create hashed file data only: In order to be able to rebuild a shared library the object file is retained in the “objdir” subdirectory of the “lib” directory. Create a file 1. If you need to complete this task, please review the jBASE 5. The jED editor is used in two different modes; command mode and edit mode, with edit being the default mode and the current mode displayed at the top of the screen. If you are unable to find the information you are looking for, jBASE Support will be glad to assist in resolving your technical problems.


Select foreground and background screen colors e. Please fill out the contact form below and we will reply as soon as possible. Press Esc to exit edit mode; then type FI to save and exit the record.

Allow the hash method to tutirial overridden when resizing the file. The jED editor has been designed for ease of use, easy personal configuration and is especially suited to the editing of jBC programs.

Thisexample is restoring record ‘REC1’ in the F. REC1 1 Records Listed 5. Opens the tty device and accepts commands from the keyboard when the jSHELL has been invoked to process a command input file. In normal operationthe default hash method for the file should be used, however the -M option allows experimentation with different hash methods, which may have a small benefit dependent upon the nature of the record key, ‘n’ specifies the hash method, 1,2,3,4 or 5.