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SQL knowledge is essential for the majority of services. There are a lot of important questions for which the candidates need to be prepared while going for an interview. TheSQL Interview Questionsare very important for getting a job. One must answer the SQL Interview Questions to qualify for ...
SQL stands for Structured Query Language , and it is used to communicate with the Database. This is a standard language used to perform tasks such as retrieval, updation, insertion and deletion of data from a database. 7. What is a unique key? A Unique key constraint uniquely identified e...
Comprehensive, community-driven list of essential SQL interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next SQL interview ahead of time.
16.What is difference between simple view and snapshot?(Mostly asked Interview Questions For SQL) Answer: ViewMaterialized Views(Snapshots) 1.View is nothing but the logical structure of the table which will retrieve data from 1 or more table.1.Materialized views(Snapshots) are also logical stru...
24 :: What is sql Correlated Subquery? Correlated Subquery is a subquery that is evaluated once for each row processed by the parent statement. Parent statement can be Select, Update or Delete. Use CRSQ to answer multipart questions whose answer depends on the value in each row processed by...
Even though PostgreSQL has unlimited database size for users, but it has a limit for maximum table size. The maximum table size is set to 32 TB. Note: This is very essential PostgreSQL interview questions. Q13. What are the difference between PostgreSQL and SQL Server? Answer S.noPostgreSQL...
5.在sqlserver2000中请用sql创建一张用户临时表和系统临时表,里面包含两个字段ID和IDValues,类型都是int型,并解释下两者的区别? --- 用户临时表:create table #xx(ID int, IDValues int) 系统临时表:create table ##xx(ID int, IDValues int) 区别...
This article aims to prepare you for such interviews by covering a range of SQL Server questions, from basic concepts to advanced techniques, along with detailed answers and explanations. To learn more about SQL Server, check out thisIntroduction to SQL Servercourse. ...
SQLInterviewQuestionsForSoftwareTesters Softwaretesting-QuestionsandAnswers-SQLInterviewQuestions Q.WhatdoesSQLstandfor? A.StructuredQueryLanguage Q.Whatisaprimarykey? A.Primarykey:EachrowofthedatainatableuniquelyidentifiedbyaPrimaryKey Thecolumn(columns)thathascompletelyuniquedatathroughoutthetableis ...