Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Use the following code to display a data table value in the text box:textbox1.Value = dt.Rows [0] [0].ToString ();This code retrieves the first row and first field of the data table.

If a column is already in the table, you can change the following column attributes using the MODIFY clause: length, informat, format, and label. The values in a table are either truncated or padded ...

It's possible that, once saved to disk, these tables could be used "as is" in my data warehouse or transactional system. Alternatively, I could also use the Table variables I've created here in a SQL ...