How do I edit a table without losing data?

How can I modify a table without dropping the table?

So to do that go to SQL Server and within Tools select Options. Now in the option window expand Designers and under that "Table and Database Designers" and uncheck the check box "Prevent saving changes that require table re-creation" then click OK.

How do you edit data in a table?

To edit data in the table data editor:1In the Administration Explorer, click a folder to display the list of objects in the Object List. ... 2In the Object List, right-click an object and click Edit Data in the context menu. ... 3Make your changes to the data. ... 4To commit the changes to the database, click the.Editing data with the table data editor - IBM

Can you ALTER a table with data in it?

Existing tables can be altered with an ALTER TABLE statement. An ALTER TABLE statement is part of DDL, and is for altering a table schema only; we'll look at updating data in a table later in this book.

Does ALTER TABLE modify delete data?

ALTER TABLE is used to add, delete/drop or modify columns in the existing table. It is also used to add and drop various constraints on the existing table. ADD is used to add columns into the existing table.