Technology Questions

In general, Services are Javscript functions and are responsible to do a specific tasks. Factories implements module pattern in which we use a factory method to generate an object which is use for building models.

It's syntax is
module.factory('factoryName', function);

JDK is Java Development Kit which is for development purpose and it includes execution environment also.

JVM is Java Virtual Machine which is a run time environment for the compiled java class files .Hence you will not be able to compile your source files using a JVM.

- The maximum data rate supported by a GSM system is 9.6 kbps.
- However there are extensions to GSM standard to improve throughput.
- GPRS is one of the extended GSM service.
- The extended standards of GSM allows theoretical data rates on the order of 114 Kbit/s, but with throughput closer to 40Kbit/s in practice.

Currency is the location within the database during run-unit execution.

There are four levels of currency:

- Current of run-unit is the record occurrence of the last successful find or obtain;

- Current of record type is for the most recent of each record type;

- Current of record set is the most recent within each set 

- Current of area is within each area.

SQL> ALTER USER user_name ACCOUNT LOCK;

SQL> ALTER USER user_name ACCOUNT UNLOCK;

Website always has an address whether it has images, any information or any attchments in it or not but it must has an address. 

Recursive query can be create in SQL using stored procedure but you can also use CTE (Common table expression). It might be also worth asking about performance as CTE is not always very fast.

It can either be Final or Abstract