What are all the Extended services provided by the OS?
• Ubiquitous communications • Network OS extension • Binary large objects (BLOBs) • Global directories and Network yellow pages • Authentication and Authorization services • System management • Network time • Database and transaction services • Internet services • Object- oriented services 6. What are Triggers and Rules? Triggers are special user defined actions usually in the form of stored procedures, that are automatically invoked by the server based on data related events. It can perform complex actions and can use the full power of procedural languages. A rule is a special type of trigger that is used to perform simple checks on data. 7. What is meant by Transparency? Transparency really means hiding the network and its servers from the users and even the application programmers. 8. What are TP-Lite and TP-Heavy Monitors? TP-Lite is simply the integration of TP Monitor functions in the database engines. TP-Heavy are TP Monitors which supports the Client/Server architecture and all
