Which of the following SQL functions can operate on any datatype?
TO_CHAR
TO_DATE
MAX
LPAD
Normalization is…?
A special way of selecting data
The process of adding primary key to a table
The process of arranging information stored in a database in a way, which removes redundancy and ambiguity.
A special way of retrieving data
Which of these storage devices can store a larger amount of data?
CD
DVD
Blu-Ray Disc
VD
which is also known as n-dimensional cross-tabulation ?
Rollback
Rollup
CUBE
Commit
Retrieving data end with "abc" which wildcard use with like keyword?
abc%
%abc_
%abc
%abc%
public void addAnimal(List super Dog> animals) { animals.add(new Dog()); } it's NOT legal to add when we use Wildcard character >.(True/ False)
True
False
which is also known as "n dimensional cross tabulation"?
The first ever input device designed for computer is
Keyboard
Mouse
Joystick
Light pen
which commands is combination of unions ?
I and III both
A bluetooth device can communicate with maixmum of how many devices(including master)?
6
1
8
No limit