Parameterized OLEDB source query

Question

I am creating an ETL in SSIS in which I which I want my data source to be a restricted query, like select * from table_name where id=\'Variable\'. This variable

Answer 1

When using OLEDB Connection manager (with SQL Server Native Client 11.0 provider in my case) you can catch an error like this:

Parameters cannot be extracted from the SQL command. The provider might not help to parse parameter information from the command. In that case, use the "SQL command from variable" access mode, in which the entire SQL command is stored in a variable.

So you need to explicitly specify database name in OLEDB Connection manager properties. Otherwise SQL Server Native Client can use different database name then you mean (e.g. master in MSSQL Server). For some cases you can explicitly specify database name for each database object used in query, e.g.:

select Name
from MyDatabase.MySchema.MyTable
where id = ?