Question
How much did China invest in the world's largest
hydropower dam on the Brahmaputra River?Solution
China has approved the construction of the world’s largest hydropower dam on the Brahmaputra River, with an estimated cost of $137 billion, producing 300 billion kilowatt-hours of electricity annually.
Which command removes all rows but keeps table structure?
Which operator is used for pattern matching 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?
ROW_NUMBER() OVER (PARTITION BY dept ORDER BY salary DESC) assigns:
In SQL, the ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW clause applies to:
Which type of index physically reorders the data rows in the table itself based on the index key, meaning the data is stored in the order of the index?
Deadlock in DBMS can be prevented using:
What is an SQL `VIEW`?
Which type of index physically reorders the data rows in the table itself based on the index key, meaning the data is stored in the order of the index?
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?
