Technology Questions

A binary tree with n nodes has exactly n+1 null nodes

- SQLCA stands for SQL Communication Area

- SQLCA is a structure of variables which are updated after every SQL statement’s execution

- Exactly only one SQLCA need to be provided to an application that contains executable SQL statements

- SQLCA is not applicable to JAVA application

- More than one SQLCA need to be provided for FORTRAN application

True .That event occurs whenever a new user visits

Oracle HTTP Server is the Web server component of Oracle Database. It is based on the Apache HTTP Server. It is robust and reliable server due to following features:

- Provide high availability infrastructure integration with Oracle Process Manager and Notification Server (OPMN), for process management, death detection and failover for Oracle HTTP Server processes.

- Provide Dynamic Monitoring Services (DMS) metrics that give runtime performance statistics for Oracle HTTP Server processes.

- Enable securing of transactions with Secure Sockets Layer (SSL) technology.

- Execute Perl scripts in the same process as the Oracle HTTP Server, or as CGI script.

A class is said to be a container class which is utilized for the purpose of holding objects in memory or persistent media. A generic class plays a role of generic holder. A container class is a good blend of predefined behavior and an interface that is well known. The purpose of container class is to hide the topology for the purpose of objects list maintenance in memory. A container class is known as heterogeneous container, when it contains a set of different objects. A container class is known as homogeneous container when it contains a set of similar objects.

There are three types of constructor in C++. They are Default constructor, Parameterized constructor, Copy constructor.

The throughput garbage collector uses a parallel version of the young generation collector and is meant to be used with applications that have medium to large data sets. On the other hand, the serial collector is usually adequate for most small applications (those requiring heaps of up to approximately 100MB on modern processors).

Use the LISTCAT command.