Add Column – allow you to add new columns to existing tables.
Alter Table – allow you to add new columns, modify and drop columns, rename table, add constraints.
Create Table – the command to create new tables in Oracle database.
Drop Columns – allow you to drop columns from table.
Drop Table – command to drop tables from Oracle database.
Merge Tables – MERGE statement uses to select rows from one or more tables or views for update or insert into a table or view.
Rename Column – is used to change the name of columns.
Rename Table – is used to change the name of tables.
Truncate Table – truncate statement delete all rows from the table.