Question
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?Solution
LEFT OUTER JOIN returns all left rows and matches from right or NULLs when no match.
How to get first line from a file ?
When applying KVL to a circuit, how are voltage drops represented?
Which logic gate has an output of 1 only when all inputs are 1?
The result of SQL select statement is?
The maximum number of binary trees that can be formed with three unlabeled nodes is:
In a B+ tree, the leaf nodes are typically connected in a linked list to facilitate:
In a B-tree, the minimum number of children a non-root internal node can have is:
Which of the following is true about Java's memory management?
In the context of backups, what is a retention policy?
Which of the following is NOT a type of inheritance?