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...
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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"....
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...
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?
SQLInterviewQuestionsForSoftwareTesters Softwaretesting-QuestionsandAnswers-SQLInterviewQuestions Q.WhatdoesSQLstandfor? A.StructuredQueryLanguage Q.Whatisaprimarykey? A.Primarykey:EachrowofthedatainatableuniquelyidentifiedbyaPrimaryKey Thecolumn(columns)thathascompletelyuniquedatathroughoutthetableis ...
每一个数据库table都必须有一个primary key, a column that quniquely identifies each row. it can ndeve be null and must be set on record creation and never changed. 14. 创建constraint (主键) mysql>createtabledetectives (->idintnotnullauto_increment,->namevarchar(100),->phone_numbervarchar(10...
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…