Technology Questions

Querystring is used to send data from one page to another with URL.But it can store only some minimum amount of data.Most browsers allow a limit of 255 characters on URL length

The synchronized keyword indicates that a method can be accessed by only one thread at a time

A Stack is a linear structure in which insertions and deletions are always made at one end i.e the top - this is termed as last in, first out (LIFO). Stacks are useful when we need to check some syntex errors like missing parentheses. 

Call transaction

Security/penetration testing is testing how well the system is protected against unauthorized internal or external access, or willful damage. This type of testing usually requires sophisticated testing techniques.

SE01 is the main screen of the Change and transport Organizer. From here the administrator can acheive all tasks related to transport requests - such as create, change, view logs, display client/delivery transports, etc. SE09 and SE10 can also be accessed from here. However, not all developers might be granted access to this transaction.

SE09 is the workbench transport requests transaction - here the developers can track changes to all ABAP workbench objects (dictionary, reports, module pools, etc). This is a developer-specific transaction and mostly all developers have access to this transaction.

SE10 is the customizing request display transaction - this displays all the customizing requests in the system. Again, this could be restricted to Business analysts if required, since they would be doing most of the customizing changes in the system.

Shared pool in oracle contains cache information that collects, parses, interprets and executes SQL statements that goes against database. This shared pool acts like a buffer for these SQL statements.