Whats is main difference between Alter and Update in SQL Statements?

Answer 1

Although both words are similar semantically, in SQL ALTER will change the underlying structure of the table or SQL object while UPDATE was used to change the record(s) in the table.

Hopefully it clear your doubt! 😉

Answer 2

Yep, ALTER make changes the table and UPDATE make changes the records in the table
its enough zephyr koo

Answer 3

SQL UPDATE statement is used to modify column data values that meets specific filter criteria as defined in where clause as part of SQL UPDATE statement. ALTER is a DDL (Data Definition Language) statement. Whereas UPDATE is a DML (Data Manipulation Language) statement.

Answer 4

alter makes to add more...and update makes replace or changes