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Data Transformation Services (DTS), introduced in SQL Server 7.0 and further improved in SQL Server 2000 drastically changed this situation.

We will create the DTS packages mainly for importing and exporting data into data bases.
Importing Problems :
when we importing excel data to Database if the columns in the table and columns in the excel are not same it will give the problem
columns data type miss match.
If first row as Null in Excel it will take all rows as nulls in that column
Maping of the columns.
If Excel contains some rows as number and some rows as columns it may take all rows as nulls.
If we deleted some rows in the last of excel it will import those rows as nulls.
If we importing Date Time columns we have to make sure those are in the correct format.
Exporting Problems
Connection problem
Data type problems
Tab delimitation problem when we export to text document.

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