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Tag Archives: SQL Interview Questions
Interview question – Is Clustered index on column with duplicate values possible?
Through this article, we are going to discuss three important interview questions of SQL which are given below:- 1) Can we create clustered index on a column containing duplicate values? 2) Can we create a Primary Key on a table on which a … Continue reading
Question of the Month (July)
Question of the Month Suppose we have a table emp_plan which contains 4 columns “Empid” (employeeid), Planid (Projectid), Startdate(Allocation Start date) and Enddate (Allocation Enddate). Its structure is given below:-4 Create table emp_plan (empid nvarchar(200),planid nvarchar(20),startdate datetime, enddate datetime) Also below … Continue reading
Interview questions for database developer
Technical Round Database Interview Questions 1) What are the different types of Trace flags which we used for detecting the Deadlock? 2) What are the different types of database backups? 3) How do you perform the Error handling in SQL … Continue reading
Interview Questions on Sql Server -Part 3
1. What are the Sql Joins? Sql Joins are the way to get data from many tables based on some logical conditions. The different types of Joins in Sql Server are 1) Inner join or Equi join 2) Self Join … Continue reading
Interview Questions On Sql Server -Part 2
1. What is the difference between the Union and Union All? 1) Union is used to select distinct data from the tables but Union All allows duplicate rows to be selected from the tables. 2) The second difference between Union … Continue reading
Interview Questions on sql server -Part-1
1. What is the Normalization? Normalization:-Normalization can be defined as the process of organization the data to reduce the redundant table data to the minimum. This process is carried out by dividing the database into two or more than two … Continue reading