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what is MetadData?.
What is CTS?
Type of Join in SQL Server?
What is diffrence between Primary Key and Unique Key?
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Answer / samrat
What is diffrence between Primary Key and Unique Key?
Unique key may be null but Primary key never null
| Is This Answer Correct ? | 23 Yes | 0 No |
Answer / bharathi
Meta data is data about data. in which contain information
about the refered type.
| Is This Answer Correct ? | 15 Yes | 1 No |
Answer / nageswara rao.garine
Metadata is the data about data.
it is one part of assembly.CLR reads metadata to know about
assembly .
CTS stands for common type Specification.it is set of rules
which can be followed by all .net languages.
There r mainly 3 types .
EQUI JOIN
NON EQUI JOIN
SELF JOIN
Primary key doesn't allow null values but unique allows null
values,not allow duplicate values.
| Is This Answer Correct ? | 14 Yes | 2 No |
Answer / amit v
=>Meta data is information related to data itself.
=>CTS is Common Type Specification,it's describe the type
of data type used in dotNet.
=>Inner join,self Join,outer join.
=>Primary key cant be null,but it is not the case in unique
key.
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / m.karunakar
Metadata?
describe the properties/characteristics of the data.example
name variable contains what type of data whether it may be
digits or char and total number of bytes it takes.
CTS
Common type System.it shows .Net supported predefined data
types(Value and Refernce type).
Join?
inner join,outerjoin,equijoin.
primary key identifies uniquness and not a null value in the
rows and unique key accept null value also .
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / esas
MetaData: Its contains the information abt the data itself
Eg: Glossary of a Book,which contains the
title,subtopics,page no..
CTS(Common type System):
Its used to convert any datatype to a common type supported
by .Net
Types of Joins:
i)Inner Join
ii)Outer Join
a)Left Outer Join
b)Right Outer Join
c)Full Outer Join
iii)cross Join
Primary Key:
It cant be a null value...it should be unique...A primary
key of a table may be a foreign key foe other table...
| Is This Answer Correct ? | 4 Yes | 3 No |
Answer / anil
MetaData - it is information about data,it store in assembly
CTS - Comman Type System, its data type related
join - inner join
left outer join
right outer join
full join
cross join
primary Key - it identify each row of table uniquly,
| Is This Answer Correct ? | 1 Yes | 1 No |
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