DWQA User ProfilesureshQuestions(16819)Answers(17164)Posts(0)CommentsWhat is the difference between CHAR and VARCHAR2 data types in Oracle?suresh answered 11 months ago • Oracle61 views2 answers0 votesDescribe the concept and implementation of Dijkstra’s algorithm for finding the shortest path in a weighted graph.suresh answered 11 months ago • Algorithm126 views1 answers0 votesWhat are the biggest challenges currently facing the airline industry and how do you see them being addressed in the future?suresh answered 11 months ago • Airline/Aviation66 views1 answers0 votesWhat is the difference between PL/SQL and SQL in Oracle databases?suresh answered 11 months ago • Oracle73 views1 answers0 votesWhat is the difference between UNION and UNION ALL in SQL?suresh answered 11 months ago • Oracle69 views1 answers0 votesWhat is the difference between TRUNCATE and DELETE in Oracle database?suresh answered 11 months ago • Oracle75 views1 answers0 votesDescribe an algorithm to find the longest increasing subsequence in an array. Provide a time and space complexity analysis of your algorithm and explain your reasoning behind it.suresh answered 11 months ago • Algorithm101 views1 answers0 votesTell me about a time when you faced a difficult challenge and how you overcame it.suresh answered 11 months ago • Common103 views1 answers0 votesCan you discuss any recent advancements or breakthroughs in the field of biotechnology that you find particularly exciting or promising, and how they have the potential to revolutionize various industries or improve human health?suresh answered 11 months ago • Biotechnology70 views1 answers0 votesCan you explain the differences between a subquery and a correlated subquery in Oracle SQL?suresh answered 11 months ago • Oracle89 views1 answers0 votesWhat are the key differences between PL/SQL and SQL in Oracle, and how do you decide when to use one over the other in a given scenario?suresh answered 11 months ago • Oracle88 views1 answers0 votesWhat are some common troubleshooting techniques you would use to resolve performance issues in database systems?suresh answered 11 months ago • DBA106 views1 answers0 votesWhat methods do you use to ensure accuracy in cash handling and transaction processing as a bank teller?suresh answered 11 months ago • Bank teller95 views1 answers0 votesWhat is the difference between a primary key and a unique key in Oracle?suresh answered 11 months ago • Oracle91 views1 answers0 votesCan you explain the difference between a unique key and a primary key in Oracle?suresh answered 11 months ago • Oracle93 views1 answers0 votesCrop