Select specific Fields to output to CSV - Postgresql

In.Net, how can I bulk transfer sql (export) tables to csv or tsv files?

Check out ...FileHelpers... - it allows you to easily load or save data from CSV or other text file formats. Excellent code base, freeware, full C# source available - can't recommend it enough!

Handling empty fields in csv during bulk import to database

If you could post your csv reader code then we could help more. But looking at the code on your linked page, you could do something like this:...while (csv.ReadNextRecord()) { for (int i = 0; i < fieldCount; i++) Console.Write(string.Format("{0} = {1};", headers[i], csv[i]...

postgresql how to have COPY interpret formatted numeric fields automatically?

I have an input CSV file containing something like:...SD-32MM-1001,"100.00",4/11/2012 SD-32MM-1001,"1,000.00",4/12/2012 ...I was trying to COPY import that into a postgresql table(varchar,float8,date) and ran into an error:...# copy foo from '/tmp/foo.csv' with header csv; ERROR: invalid input syntax for type double precision: "1,000.00" Time: 1.2...

SqlBulkCopy ColumnMapping error CSV to DataTable to SQL Server Table

Turns out If I tweked each method ...foreach (var dataColumn in readFields.Select(column => new DataColumn(columntypeof(string)) { AllowDBNull = true, DefaultValue = string.Empty })) { csvData.Columns.Add(dataColumn); } ...and in the second Method I changed it to use an index rather than column name...for (var count = 0; count < table.Columns.C...

C# - Importing a CSV where empty strings do not get sent through bulk import to database

Build up individual update statement... You can chain updates ... update [test].[dbo].[Table_1] set value1 = 'newOne' where iden = 1; update [test].[dbo].[Table_1] set value1 = 'newTwo' where iden = 2; ...But that would be a open to SQL injection so you should use parameters... I am not sure if you can chain multiple parameter based updates in ...

Load CSV from Blob to Azure SQL Server - Referenced external data source not found

Here's another sample. Note that the secret is the "SAS token" copied from the azure portal without the leading '?'...drop DATABASE SCOPED CREDENTIAL MyAzureBlobStorageCredential drop EXTERNAL DATA SOURCE MyAzureBlobStorage go -- Create Storage Credential print 'Creating credential' CREATE DATABASE SCOPED CREDENTIAL MyAzureBlobStorageCredential ...

Out of memory exception while moving CSV data (3 million data) into DataTable using c#

SqlBulkCopy copy = new SqlBulkCopy(con, SqlBulkCopyOptions.KeepIdentity, transaction); //you can define any Banch of Data insert copy.BatchSize(10000); copy.DestinationTableName = "SampleCSV"; copy.WriteToServer(table); transaction.Commit(); con.Close();

Select Multiple CSV and bulk to Database

In order to process multiple files at once you will need to use a parallel code. Your use of "for" was a nice try, but "for" loops still run concurrently, which means one at a time. ...The easiest way to achieve this parallel processing in this case would be to use Parallel.Foreach, here is a Microsoft guide about it: ...https://docs.microsoft.com/...

How to save an Excel (xlsm) as CSV file with semicolon delimiter?

To save a CSV using semicolon as separator instead of comma try specifying a ...$true... value for ...local... parameter for the ...SaveAs... metohd:...$ws.SaveAs($csvLoc + $n + ".csv",6, 0, 0, 0, 0, 0, 0, 0, $true) ...instead of:...$ws.SaveAs($csvLoc + $n + ".csv",6) ...This is an excerpt from MSDN explaining the local parameter (more info ...here...

Loading CSV data using SQLServerBulkCSVFileRecord with enclosing and nulls

I'm trying to load CSV data using the SQLServerBulkCSVFileRecord, however it seems that this doesn't allow for enclosed fields (stripping quotes) and supply a value for NULL. ...Any suggestions on how to get this working? Seems like such basic functionality needed for loading a CSV file....Code i'm currently using:...final SQLServerBulkCopy copyman...