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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...
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"....
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 ...
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...
I am not building something new but assembled all the questions and answers related to subquery which keeps on bugging me day and night. I hope this will be useful for people looking for answers in one place. Please email me at admin@codespread.com CodeProject...
I also don't know how much of this you actually need in temp tables. You can use a subquery to do the grouping and aggregate and join it back to the original table to get your results. The second table is only useful if you need to do subsequent processing. ...
For this reason, you cannot apply the (+) operator to columns of B in the join condition for A and B and the join condition for B and C. See Also: SELECT for the syntax for an outer join Using Subqueries A subquery answers multiple-part questions. For example, to determine who ...
Multiple choice database questions and answers Oracle Dev Gym has thousands offree multiple choice database quizzesin its library. These cover SQL, PL/SQL, and database design. These present you with a question and several choices. Each of these could be right or wrong. The goal is to se...
Hello Folks, I have an issue to use Multi-Valued Subqueries in my select statement. I want to assign a value for each row but it obviously rejects it because my subquery returns multiple values. It failed to run with this error: Subquery returned more…