Questions

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

Data Definition Language (DDL):- are the SQL statements that define the database structure.

Example:

1.  CREATE


2.  ALTER


3.  DROP


4.  TRUNCATE


5.  COMMENT


6.  RENAME

A posted speed limit of 55 mph means that we can drive at a speed of 55 miles per hour(mph) under good conditions in that area. We cannot that speed limit in that area.

SQL profiler is a tool to monitor performance of various stored procedures. It is used to debug the queries and procedures. Based on performance, it identifies the slow executing queries. Capture any problems by capturing the events on production environment so that they can be solved.

interrupt is a signal send by external device to the processor so as to request the processor to perform a particular work.

A signal informing a program that an events has occurred. when a program receives an interrupt signal, it takes a specified action (which can be to ignore the signal).