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 ...
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...
INSERT,UPDATE, orDELETEstatement. CTEs make complex queries easier to write and read by breaking them into simpler parts. They are particularly useful for recursive queries and can be used to improve the readability and maintainability of your SQL code....
PostgreSQL Interview Questions and Answers AuthorBaliram Prasad Questions46 Last updatedFeb 9, 2024 Download We are going to discuss the most interviewer asked PostgreSQL interview questions for the acknowledgment of future aspirants in this niche. PostgreSQL is one of the most advanced, object-relat...
Frequently Asked SQL Interview Questions 1. What is a Database? Adatabase refers to a structured data collection that can be stored, managed, and retrieved from a remote or local computer system. Databases can become pretty complex and are built with a fixed design and modeling approach. ...
Oracle interview questions for freshers are the typical questions that are asked in all companies. Here are some of them: 13) What do you know about our company? This question is generally asked by the interviewer or hiring manager at the beginning of the conversation to know how much you ...
RDBMS software executes the queries on the data like adding and updating the data. The application which comes under the RDBMS category is MySQL, Oracle, Informix, IBM DB2 and Microsoft SQL Server. RDBMS Interview Questions we are mentioning below will help you to gain enough knowledge about ...
[Microsoft][ODBC SQL Server Driver][DBNETLIB] General Network error. Check your network documentation [OLE DB Destination [16]] Error: Failed to open a fastload rowset for "[dbo].[tempMaster]". Check that the object exists in the database. [Script Component ] Error: The collection of var...
42 Beginner-level MySQL Interview Questions In this section, you'll find 42 beginner-levelMySQLinterview questions designed to test your foundational knowledge of MySQL. These questions cover essential topics like basic queries, data types, and fundamental database operations. By reviewing these, you'...
8. Can free form SQL queries be used with Sqoop import command? If yes, then how can they be used? Sqoop allows us to use free form SQL queries with the import command. The import command should be used with the –e and – query options to execute free form SQL queries. When using...