Updating dates in an update query problems with updating iphone

With correlated updates the parentheses around the column-list are optional if the select-expression returns a single expression.

The DROP clause permanently drops the Phone column.Now that you have created the Products table, you are ready to insert data into the table by using the INSERT statement.After the data is inserted, you will change the content of a row by using an UPDATE statement.If you specify a view, it can only refer to a single base table.It must not contain any column functions such as AVG, and it mustn’t be constructed using any of the operators such as =, . If there is no WHERE clause all rows in the selected table or view are updated.

statement can be accomplished in one of two ways, primarily depending upon which version of SQL Server you are using.