Question
Which of the following is the largest unit of storage
capacity in a computer?Solution
Storage capacity is the amount of data that can be stored in a computer's memory or storage device. The units of storage capacity are measured in bytes, with each unit representing a certain amount of data.
What is the primary purpose of a `SEQUENCE` in SQL?
In PL/SQL, what type of parameter allows a procedure to both receive a value from the calling environment and return a modified value back to it?
Which SQL clause is used for filtering rows?
Which SQL command is used to modify existing records in a table?
Which type of trigger fires once for each row affected by the triggering DML statement?
Which operator is used for pattern matching in SQL?
When does an implicit cursor get automatically declared and managed by PL/SQL?
Which SQL command is used to remove a table completely?
Which join returns rows from the left table even when there is no matching row in the right table, filling with NULLs for the right side?
What is an SQL `VIEW`?