The simple present tense is used to describe actions, events, or situations that
The past perfect continuous tense is used to describe actions that started in th
How to convert a string into a list in Python?
Metering mode is how camera evaluates how should the brightness be distributed in a photograph.
Internet Protocol (IPs) addresses are assigned to every machine connected to a network.
Suppose you are having an existing table and you want to add a value all rows of the column. 
To create a new column in an existing table, you use ALTER Table query with ADD COLUMN in it.
