August 2015 - Technology with Vivek Johari

SQL Script to find all the triggers defined on a database or on a single table

August 14, 2015April 27, 2018 vivekjohari30 Comments

SQL Script to find triggers in SQL Database Sometime we need to find all the triggers defined on the database. So in this case, we can use the below SQL Query:-SELECT tbl.name as [Table Name] , trig.name as [Trigger Name] , trig.is_disabled FROM [sys].[triggers] as trig INNER JOIN sys.tables as tbl ON trig.parent_id = tbl.object_idIn […]

Interview question – Is Clustered index on column with duplicate values possible?

August 13, 2015January 31, 2019 vivekjohariLeave a Comment

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 clustered index is already defined? 3) If a clustered index is already defined on a […]

Question of the Month (July)

August 3, 2015April 27, 2018 vivekjohari23 Comments

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 is the script to enter sample data into the table:- insert into emp_plan(empid,planid,startdate,enddate) select ‘001’,’planA’,’2015-05-15′,’2015-05-30′ […]