Tip Bank

Question: My application (RIS) converts a date in an integer to store it in a Database. Integer = x seconds after 1.1.1970 (for ex., 709444800). I want to make a

Question: We are building a Web-based interface for an existing database. We’reusing a SQL interpreter that runs the queries, then sends them to theserver without the need for a client

Question: How can I write to OS files from Oracle? Answer: Oracle version 7.3 supports directreading and writing of operating system files from within Oracle.In particular, the utl_file package enables

Question: Is it possible to have predefined (dynamically changeable) global variables that can hold reference to the printer name, copies, paper format, etc. and use a PrintReport() action that will

Question: I’m using Power Objects 2.1 and am trying to add a custom menu and toolbar toa report object. I’ve successfully done this withform objects by using the InitializeWindow, TestCommand

Question: What type of code must be written to avoid the cryptic NOT NULL messages when records are to be added for fields already defined with NOT NULL in the

Question: Occasionally I have found that after creating an executable, the bands in some of my datawindows have been repositioned to the top of that particular datawindow, causing a blank

Question: The Crystal Reports help file contains “Pro-only Topics.” Can I use these Pro features with the Crystal Reports engine I recieved with OPO? If so, where can I find

Question: Field-level validations should be done when the user visits the field. How can this be done?Interfield validations on the same screen also should be done when the user visits