Latest Answer: only the size differs in nvarchar2 length is much more compare to varchar2 ...
Latest Answer: Normalization is being applied for the database to reduce redundancy as in case of first normal for remove the redundant data from rows and in 2nd normal form it removes the redundant data vertically and in 3rd normal form it looks for the redundant data ...
Latest Answer: Just write N' before value, eg.insert into YourtableName values ( N' हिंदी अनुवाद') ...
While developing sopping cart application we have to create a main catagory and the admin want facillity that he can add the unlimited number of subcatagories and the subcatagories again having unlimited
Latest Answer: How many days, we are going to retain the data after taking the backup. For example the data which backed up today that will get expire in 90 days. That means, it is 90 days retention policy for backup ...
Latest Answer: By using index we can increase the accessing speed. ...
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