Updating views in sql

Use the INSERT statement to insert data values into tables.

The INSERT statement first adds a new row to an existing table, and then inserts the values that you specify into the row.

View offer the following benefits and functionality.

IF ( OBJECT_ID('dbo.vw_students1') IS NOT NULL ) DROP VIEW dbo.vw_students1 GO CREATE VIEW dbo.vw_students1 AS SELECT lastname , firstname , (firstname ' ' lastname) as "Fullname_fl", (lastname ', ' firstname) as "Fullname_lf", birth_dttm, DATEDIFF(yy, birth_dttm, GETDATE()) - CASE WHEN MONTH(birth_dttm) .

The WHERE clause specifies which record(s) that should be updated.You can use a database link to update a remote object only if you are using Oracle Database distributed functionality.If you omit to indicate that Oracle Database prohibits any changes to the table or view that would produce rows that are not included in the subquery.This process of extracting the elements of a collection is called refers to a LOB object attribute, then you must first initialize it with a value of empty or null. Also, if you are updating a LOB value using some method other than a direct to set the column to the value previously specified as the default value for the column.If no default value for the corresponding column has been specified, then the database sets the column to null.