Arch bridges have a semicirclar, curved support.
Answer:
Swapping two numbers means exchange the values of two variables with each other.
The answer is Undo I think
Help each other because if the other sister is older she should have more experience and knowledge
The SQL is used to change a table's structure by:
The use of the SQL ALTER TABLE command.
<h3>How is it done?</h3>
The SQL ALTER TABLE command is known to be that which is often used to alter the structure of an existing table.
It is known to help one to be able to add or delete columns, make or destroy indexes, alter the kinds of existing columns, rename columns or the table itself.
Note that It can also be used to alter the comment for any kind of table and type of the table therein.
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