Deletion is nothing but eliminating and insertion is adding.
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The queue is a linear data structure where operations od insertion and deletion are performed at separate ends also known as front and rear. Queue is a FIFO structure that is first in first out. Whenever a new item is added to queue, rear pointer is used. and the front pointer is used when an item is deleted from the queue.
The basic difference between DDL and DML is the commands they provide . The dml (data manipulation language) provides statements to enter, update, delete and perform complex queries on these tables while the ddl(data description language) provides statement for the creation and deletion of tables, indexes, views etc.
DML(data manipulation language) provides statements to enter, update, delete and perform complex queries on these tables. DDL(Data definition language) provides statements for creation and deletion of tables, view, indexes etc.
the location of the active cell by its collumn letter and row number.
just difference