what is MetadData?.
What is CTS?
Type of Join in SQL Server?
What is diffrence between Primary Key and Unique Key?

Answer Posted / 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 .

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