10777- Error: Data Flow Task at 0xC02020A1, Flat File Source [30]: Data conversion failed

I have a text file generated SAP, all columns of type string must move to the data type DT_WSTR, I can explain why?

If I do the following error:
Error: Data Flow Task at 0xC02020A1, Flat File Source [30]: Data conversion failed. The data conversion for column "country" returned status value 4 and status text "Text was truncated or one or more characters HAD no match in the target code page.".
Error: Data Flow Task at 0xC020902A, Flat File Source [30]: The "Flat File Source.Outputs [Flat File Source Output] .Columns [country]" failed Because truncation occurred, and the truncation row disposition on "Flat File Source. Outputs [Flat File Source Output] .Columns [country] "specifies failure on truncation. A truncation errors occurred on the specified object of the specified component.
enrique_aeoAsked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
DT_WSTR? Are you working with a SSIS package?
I couldn't realize if you are importing data from text file to a database but if so then the COUNTRY column must be NVARCHAR type and need to have enough length to receive the data from the text file.
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enrique_aeoAuthor Commented:
i am using SSIS,
that the data type must be NVARCHAR?
cliente-direccion-err.csv
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Yes, it should.
This should be the relation from SSIS data type to MSSQL data type:
DT_WSTR --> NVARCHAR
DT_STR -----> VARCHAR
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enrique_aeoAuthor Commented:
it is a rule ?:
when we have a kind of text data in a flat file; then in the database I create a data type NVARCHAR
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Vitor MontalvãoMSSQL Senior EngineerCommented:
No rule. It depends on which datatypes are you using. I'm just giving you the equivalence between SSIS and MSSQL.
You can even use numeric datatype if you are sure that the text file have only numbers for that column. The same for date and time datatypes.
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