Computer Science, asked by ranish9592, 10 months ago

Differentiate between Drop table and drop clause of alter table

Answers

Answered by topwriters
11

Alter and Drop table

Explanation:

Alter is used to modify an existing table, like adding a row or column. Alter preserves the existing data. Example, deleting a column won't affect the data in the other columns. Changing a column datatype will result in conversion of existing data, which may result in data loss when there are errors such as overflows, under flows, or integrity constraint violations.

Drop is used to remove a table completely. You can drop and then recreate a table, but you will lose all the data it.  If that's an issue, then Alter is the preferred solution.  However, not all changes you might want to a table definition can be done with Alter, so your only option might be to drop/create.

Answered by ratandhariwal100
0

Answer:

DROP TABLE AND DROP clause of ALTER TABLE

Explanation:

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