What operations can the ALTER TABLE command perform?

Question

ALTER TABLE operations that support the INSTANT algorithm include: Adding a column. . Dropping a column. . Adding or dropping a virtual column. Adding or dropping a column default value. Modifying the definition of an ENUM or SET column. . Changing the index type. Renaming a table.

What can be performed with the ALTER TABLE command?

- Column can't be deleted with alter command. - Column can't be renamed a column. - Column can't be added in between of the existing columns.

What does ALTER TABLE command execute?

Modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers. Important. The syntax for ALTER TABLE is different for disk-based tables and memory-optimized tables.

What all operations can be performed using ALTER TABLE add?

Alter Table Syntax.Renaming a Table.Renaming a Column.Changing a Column's Datatype.Adding a Constraint.Removing a Constraint.Adding a Column.Removing a Column.

Which are the three operation of ALTER TABLE?

ALTER TABLE is used to add, delete/drop or modify columns in the existing table.

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