How to import a large SQL query into Visual Studio database?

Solution 1:

As I see, your file has CSV format. There are many options to import CSV to MS SQL database.

  1. SQL Server Management Studio: select a database, then Tasks - Import data -> Flat File Source
  2. SQL: BULK INSERT query
  3. C#: SqlBulkCopy class. MSDN, Direct CSV read, CsvDataReader.