The Object Explorer in SSMS is your window into the various tables available for modification in a database. You expand the
Tables node in the Object Explorer tree and right-click the table you would like to modify. Then you select the Design option, and a Table Designer window appears, showing all the table columns. In addition, a Table Designer menu option appears at the top of the SSMS window. The Table Designer menu includes many options, including Insert Columns, Delete Columns, and Remove Primary Key. The full list of available options is shown in Figure 21.4. A Table Designer window for the
Sales.Titles table is shown as the active tab on the right side of Figure 21.4.