Easy
What does the following query return ?
SELECT NVL(NULL, 'Hello') FROM dual;
Author: Koala rareStatus: PublishedQuestion passed 33 times
Edit
1
Community EvaluationsNo one has reviewed this question yet, be the first!
1
What type of join returns all rows in the left-hand table, even if they have no match in the right-hand table?0
What happens after executing this code in Oracle?0
Which Oracle tool can be used to analyze SQL query performance?1
What type of index is recommended for columns with few distinct values in Oracle?0
How to rename a column in an existing table in Oracle?0
What is the main function of the `DBMS_SCHEDULER` package in Oracle?0
What does the following SQL query return?