For more info, see Select Source Tables and Views or Configure Flat File Destination. Specify the scale of numeric data in the destination column - that is, the number of decimal places - if applicable.Īfter you review and configure destination columns to receive the data copied from the source columns and click OK, the Column Mappings dialog box returns you to the Select Source Tables and Views page or to the Configure Flat File Destination page.
Specify the precision of numeric data in the destination column - that is, the number of digits - if applicable. Specify the number of characters in the destination column, if applicable. Specify whether the destination column allows a null value. View the data type for the destination column or select a different data type. Before you map columns, you must ignore all columns that will not be mapped. Select ignore in this column for columns that you want to skip. You don't have to copy all the columns from the source table.
View the mapped destination column or select a different column. The Mappings list has the following columns. Review column mappingsĭisplays how each column in the data source maps to a column in the destination. If you're exporting data that has an autonumber column or an identity column - for example, if you're exporting from Microsoft Access - make sure you select Enable identity insert as described immediately above. Otherwise the destination identity column typically assigns new values. If your existing primary keys are in an identity column, an autonumber column, or the equivalent, you typically have to select this option to keep your existing primary key values. By default, the destination identity column typically does not allow this. This is a convenient option when you want to test your settings more than once.Ĭhoose this option to allow existing identity values in the source data to be inserted into an identity column in the destination table. The destination table is only dropped and re-created if you save the package that the wizard creates and then run the package again. This option is only available when you used the wizard to create the destination table. Specify whether to append the new data to the data already present in an existing table.Ĭhoose this option to overwrite the destination table. Specify whether to clear the data from an existing table before loading the new data. What about existing data in the destination? If you want to create a new destination table, go back to the Select Source Tables and Views page and enter the name of a new table in the Destination column.
If you selected an existing destination table on the Select Source Tables and Views page, the Create destination table option and the Edit SQL button are disabled. If you specified a new destination table on the Select Source Tables and Views page, the Create destination table option is automatically selected and the Edit SQL button is enabled.ĭisabled. The Create destination table/file option and the Edit SQL button are either automatically enabled or automatically disabled.Įnabled. For more info, see Create Table SQL Statement. If you change this statement manually, you have to make sure that the list of column mappings recognizes your changes. Use the autogenerated CREATE TABLE statement, or modify it for your purposes. Optionally, create a new destination tableĬreate the destination table if it does not already exist.Ĭlick Edit SQL to open the Create Table SQL Statement dialog box. The selected source table, view, or query. By default, the wizard gives each column in the new destination table the same name, data type, and properties as the corresponding source column. In this example, you see that the wizard is going to create a new destination table, because Create destination table is selected. The following screen shot shows an example of the Column Mappings dialog box of the wizard. Select ignore in the Destination column of the Mappings list for columns that you don't want to copy. If you don't want to copy all the columns in the table you selected, one thing you can do on this page is exclude the columns you don't want. Often you don't have to change anything on this page.
On this page you specify and configure destination columns to receive the data copied from the source columns. SSIS Integration Runtime in Azure Data FactoryĪfter you select the existing tables and views to copy or review the query that you provided, if you click Edit mappings, the SQL Server Import and Export Wizard shows the Column Mappings dialog box.
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