Technology Questions

All the above listed are debugging windows in .NET

Permissions in PHP are very similar to UNIX. Each file has three types of permissions – Read, write and execute. Permissions can be changed using the change mode or CHMOD command. CHMOD is followed by 3 digit number specifying the permission type. CHMOD 777 is for Read, Write and execute.

Unnecessary permissions can be stripped off using UNMASK command.

Unmask (777);

Dual boot system allows you to install and maintain two operating systems on a single PC. The purpose for this is to maintain compatibility between older and newer software. For example, there maybe programs that only work under Windows 98, therefore having a dual boot system between Windows 98 and another version like Windows XP is a good choice.

SQL Server agent plays an important role in the day-to-day tasks of a database administrator (DBA). Its purpose is to ease the implementation of tasks for the DBA, with its full- function scheduling engine, which allows you to schedule your own jobs and scripts.

A junction record is a member record type that allows for many-to-many relationship between its two owner records.

Language Integrated Query (LINQ) adds the ability to query objects using .NET languages. The LINQ to SQL object/relational mapping (O/RM) framework provides the following basic features:

- Tools to create classes (usually called entities) mapped to database tables

- Compatibility with LINQ's standard query operations

- The DataContext class, with features such as entity record monitoring, automatic SQL statement generation, record concurrency detection, and much more

Oracle check constraint is used to ensure that before inserting the data in the database, it is validated and checked for the condition.
Example:
Below, the constraint is that the id has to be between 0 and 1000.
create table employee ( id number check (id between 0 and 1000), Name varchar(200) );

Oracle SQL developer is an Oracle Database IDE.