To help, I am providing a guide on PL/SQL interview questions. I will begin with the fundamental concepts and move forward to more advanced topics like bulk processing, dynamic SQL, and performance tuning. If you want to understand the foundational concepts of the Oracle database, I recommend...
Oracle uses PL/SQL, which is an extension of SQL. PL/SQL generates more potent SQL queries by fusing the processing power of procedural languages with SQL's data manipulation capabilities. It tells the compiler what to do using SQL and how to do it using a procedural method. 11) What is...
CASE is directly used in PL SQL, but DECODE is used in PL SQL through SQL only. These are some important PL SQL interview questions,hope you like this article.
12 :: In PL/SQL, what is bulk binding, and when/how would it help performance? Oracle's SQL and PL/SQL engines are separate parts of the kernel which require context switching, like between unix processes. This is slow, and uses up resources. If we loop on an SQL statement, we are...
Oracle PL/SQL Questions 1. What is normalization. 2. Difference between procedure and functions. 3. Oracle 9i Vs 10g. 4. how to improve the performance of a query. 5. %type vs %rowtype. 6. regression testing. 7. deleting the duplicate records without using rowid in oracle. 8. Row ch...
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: ...
interview Questions with Answers for Oracle, DBA, and developer candidates [size=large][/size] [Hide TOC] 1 Introduction 2 Questions/Answers 2.1 PL/SQL Questions 2.2 DBA 2.3 SQL/ SQLPlus 2.4 Tuning Questions 2.5 Installation/Configuration
Oracle Apps DBA Interview Questions – III 1. How to determine Oracle Apps 11i Version ? Ans : select RELEASE_NAME from fnd_product_groups; You should see output like RELEASE_NAME---11.5.10.2 2. How to find Database version ? Ans : SQL> select * from v$...
Oracle Purchasing Interview Questions What is a Blanket PO? What are different types of PO’s Give me some PO tables What is Purchase order workflow How PO approval is organized What is dollar limit and how can you change it? What is difference between positional hierarchy and supervisor hierar...
(Mostly asked in Interview Questions For SQL) Answer: There are following types of indexes used while Indexing in SQL: 1.Normal index 2.Unique Index 3.Bit Map Index 4.Composite Index 5.B-Tree Index(Oracle considered Normal indexes as B-Tree Indexes) 6.Function Based Index 7.Clustered ...