home *** CD-ROM | disk | FTP | other *** search
/ Developer Source 7 / developer source - volume 7.iso / dbmsa / may96 / rennf101.gif < prev    next >
Graphics Interchange Format  |  1996-11-15  |  42KB  |  344x211  |  8-bit (142 colors)
Labels: text | screenshot
OCR: Application Client Database Server Database ACCOUNT Trigger SQL insert TABLE Check Balance if Balance <0 Update ACCOUNT set Balance=0; Figure 1. An example of a trigger that ensures that all new accounts have positive balances in the ACCOUNTS table, as implemented in CA- OpenIngres/Desktop 1.1.