Really nice answer to tell COBOL assumed decimal and dot difference. Read more.
IBM provides some privileges in DB2. So the privilege you have to be under proper group. Read more.
These are best practices and guide lines to review any SQL program. The example given here is for COBOL.
SQL queries useful to check if Table exists or not in Oracle database., You can try these queries in SQL developer to know if Table is created by DBA or database administrator.
The real use of top command in UNIX. You will know complete system information.
Raspberri Pi is hardware can be used to interface with software to collect data and analysis. This is highly useful to develop IoT based applications.