The use of comparison operators like <,> or = can be done in a subquery. These kinds ofSQL Interview Questionsare a bit difficult to understand and answer accordingly. There are a lot ofSQL Interview Questionsapart from this, which the candidates must practice qualifying for the interview. Fo...
What is sql Correlated Subquery? What is sql Intersect?SQL Job Interview Questions and Answers 1 :: What is SQL (Structured Query Language)? SQL is an English like language consisting of commands to store, retrieve, maintain & regulate access to your database.Read More 2 :: What is the ...
I suspect it is the where condition that filters out the result set of the subquery。 Best regards, Cosmog Hong If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment"....
Asubqueryis a query embedded within another query. It can be used to filter results or calculate values for comparison. A subquery is executed first, and its results are used by the outer query. Difference from aJOIN: Subquery:Runs a separate query and provides results to the main query. J...
Yes. 1. What is SQLCA and SQLDA? 2. What is 2 phase commit? DATABASE 2(DB2) The questions and answers that follow are intended for those with a working knowledge of DB2 as a “self-test”. Q1) What is DB2 (IBM Database 2)? A1) DB2 is a subsystem of the MVS operating system...
25 Advanced SQL Interview Questions for Data Scientists - Oct 18, 2022. Check out this collection of advanced SQL interview questions with answers. SQL How to Get Up and Running with SQL – A List of Free Learning Resources- Oct 7, 2022. ...
SQL INTERVIEW QUESTIONS AND ANSWERS 4 | P a g e 5.What is the difference between “Primary Key” and “Unique Key”? We can have only one Primary Key in a table whereas we can have more than one Unique Key in a table. The Primary Key cannot have a NULL value whereas a Unique Key...
4. How to find and remove duplicates from a table which is having 10 million rows? 5. Which is better a CTE or a subquery? Why? 6. Can you tell me replication monitoring tables? 7. How to apply service packs on Active Active cluster?
DBMS Tutorial | Database Management System tutorial and examples on Oracle, SQL, MongoDB, MCQ, Interview Questions with the answer, etc.
DBMS Tutorial | Database Management System tutorial and examples on Oracle, SQL, MongoDB, MCQ, Interview Questions with the answer, etc.