Web Reference: Lec-64: Difference between Alter and Update in SQL with examples in Hindi | DBMS 6 Apr 11, 2023 · The Alter statement is is used when we needs to change something in table or modify the table whereas the Update statement is used when user wants to modify something in data which is stored in the table. Mar 12, 2014 · 64 ALTER is a DDL (Data Definition Language) statement. Whereas UPDATE is a DML (Data Manipulation Language) statement. ALTER is used to update the structure of the table (add/remove field/index etc). Whereas UPDATE is used to update data.
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