Indexing, rewriting complex queries, avoiding full table scans, partitioning large tables, and making effective use of Oracle hints are all ways to optimize queries in Oracle. Oracle Interview Questions for Experienced Professionals 19) What are the different types of modules associated with Oracle forms?
With bind variables in SQL, Oracle can cache related queries a single time in the SQL cache (area). This avoids a hard parse each time, which saves on various locking and latching resources we use to check objects existence and so on. BONUS: For rarely run queries, especially BATCH querie...
1_ORACLE面试题及其答案(1_ORACLE interview questions and answers) 1_ORACLE面试题及其答案(1_ORACLE interview questions and answers) 21. How do I determine the time zone for the database? Answer: SELECT, DBTIMEZONE, FROM, DUAL; 22. Explain the usefulness of GLOBAL_NAMES as TRUE Answer: ...
Sreenath Ravva,one of the readers of HowToDoInJava, has appeared in aninterview in Oraclefor a position in theOracle Enterprise Manager product.The below-listed questions were shared by him so that I can share them with all of you, in hope that it will benefit few of us on any fine da...
Oracle APEX interview questions and answers – finding the right ones can be a challenge. Source: Tumisu, Pixabay. The best thing you can do to overcome this hurdle – no matter which side you’re currently sitting on – is to come prepared. And a great way to prepare yourself is to ...
To address the increasing threats from urbanization and climate change, an improved understanding of ecosystem processes at large, estuary-wide scales is required. Intertidal crabs contribute to estuarine functioning via trophic interactions and ecosystem engineering. Previous studies on crab spatial ...
Note that if there are multiple columns, say ID and Name, the column should be explicitly stated in Oracle queries: Select ID from test_a minus select ID from test_b MySQL does not support the except function. However, there is a standard SQL solution that works in all of the above ...
I am giving below some of the interview questions relating to Oracle Financials that I have come across. 1. Oracle financials talk of Set of Books. However at the beginning of an implementation, when you talk of set of books to the CFO, he will most likely tell you that 'He has just...
1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 1_ORACLE 面试题及其答案(1_ORACLE interview questions and answers) 21. How do I determine the time zone for the database? Answer: SELECT, DBTIMEZONE, FROM, DUAL; 22. Explain the usefulness of GLOBAL_NAMES as TRUE Answer: ...
The interview process is relaxed however there are a number of behavioral questions that are included in the interview to ensure you are a fit for the culture. Shared on 9 March 2020 - Relationship Manager - Dublin Read more about the interview process at Oracle What was your interview with ...