MySQL Chapter 6 - Updating Data
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transaction
A logical unit of work
UPDATE
The SQL command used to change existing data in a table
ROLLBACK
The SQL command used to reverse update changes to a table
COMMIT
The SQL command used to save update changes to a table
ADD clause
The clause of the ALTER TABLE command used to add a column to a table
MODIFY clause
The clause of the ALTER TABLE command used to change the characteristics of a column
DELETE
The command to delete data from a database
ALTER TABLE
The command used to change a table's structure
roll back
reverse update changes to a table
commit
save update changes to a table
