--Tableau Interview Question  A**ion L**s India Private Limited Tableau Interview Question  --Create a Donut chart by Sales & Profit over Category  Follow my Tableau Public Profile Donurt Chart by Sles & Profit Over category | Tableau Public

 --Question:- When the user will select subcategory , that particular subcategory will colored & level up with sales  --Asked by Big 4 Tableau Interview Question  Follow my Tableau Public Profile Blog:  Sub category hover | Tableau Public

--Choose the Dimension & Top N by Drop down  --Tableau Interview Question --Asked by Klou** Interview question Follow my Tableau Public: Choose Dimension BY Parameter & Top N | Tableau Public

  Question-User can select the moving average day by parameter --Tableau Intreview Question --Asked by Ti**r A**l***cs Follow my Tableau Public to get the details. Tableau Public: https://public.tableau.com/app/profile/arabinda.mohapatra/viz/MovingavergaebysalesInputbyUser/Movingavergaebysales?publish=yes

--Question   A**ion L**s India Private Limited Tableau interview Question  -- Drop down list of YOY, MOM,QOQ Growth  -- Vist my Tableau public to get the details https://public.tableau.com/app/profile/arabinda.mohapatra/viz/DropdownofYOY_MOM_QOQGrowth/GROWTHKPI?publish=yes

 --How to change the default properties of aggregation from the sum to average  Answer-Default properties > Aggregation> SUM (By default) .Can change to maximum, minimum & aggregation 

--Tableau Handling Large dataset.  Dealing with 20M records in Tableau  Create a Temp table to hold the data and to store the intermediate result in INITIAL SQL & load the data to TEMP Table. doo the calculation on the top of that temp table in the Tableau Custom SQL. Create an Empty extract on top of it  Publish the Data source  & refresh on the tableau server level only. Empty extract Create a Boolean paramter  Create the workbook  Make a calculated field on the top of that parameter Show the parameter and select True Create a extract by adding that calcualted field as exculding the True  You can check the no of records in the workbook is ZERO AND Now you have zero extract ready  Now make the parameter to False so that the the condition will True (True exculde in the Extract filter & Parameter will select False) Now publish the data source on the tableau server. Refersh over the tableau server. We can connect that datasource to get a...

 --Asked by Ti*er An**yti*s --How to add the custom color palette in Tableau  -- Go to the My Tableau Repository and open the preference  --Edit that html by adding color platte  <workbook> <preferences> <color-palette name="PLAYDATABLOGS" type="regular" > <color>#f6bc50</color> <color>#ab3939</color> <color>#374674</color> <color>#7ba668</color> <color>#a08ca3</color> </color-palette> </preferences> </workbook>

 --How to add the custom shape in Tableau --Go to  C:\Users\arabi \OneDrive\Documents\My Tableau Repository\Shapes --Add a folder & paste all the icon (PNG Format only) --Reload the shape

 --SQL Interview question --Find out the possible pair but the pair should not repeat with respect to the order of the pair  --Table has 5 rows maximum possible pair is 10 CREATE TABLE COUNTRY (Country_name nvarchar(100)) insert into COUNTRY values ('INDIA'),('US'),('UK'),('Oman'),('Russia') SELECT REPLICATE ('*',500) As 'INPUT TABLE' GO select * from COUNTRY GO SELECT REPLICATE ('*',500) As 'OUTPUT TABLE' go  WITH COUNTRY_1 AS ( SELECT ROW_NUMBER () OVER (ORDER BY Country_name DESC ) as'Country_ID',* FROM COUNTRY ) SELECT CONCAT(C1.Country_name,'-',C2.Country_name) as 'PAIR_NAME' FROM COUNTRY_1  C1 INNER JOIN  COUNTRY_1 C2 ON C1.Country_ID > C2.Country_ID

---Swap the  consecutive rows and the first & last rows will remain same (No changes will be on 1st and last row) ---SQL INTERVIEW QUESTION SELECT REPLICATE ('*',500) As 'INPUT TABLE' SELECT EMPLOYEE_ID FROM [dbo].[EMPLOYEE_DATA] SELECT REPLICATE ('*',500) As 'OUTPUT TABLE' SELECT EMPLOYEE_ID , CASE WHEN EMPLOYEE_ID  = (SELECT MIN(EMPLOYEE_ID) FROM [dbo].[EMPLOYEE_DATA]) THEN EMPLOYEE_ID WHEN EMPLOYEE_ID  = (SELECT MAX(EMPLOYEE_ID) FROM [dbo].[EMPLOYEE_DATA]) THEN EMPLOYEE_ID WHEN employee_id %2!=0  THEN EMPLOYEE_ID-1 --Odd  WHEN  employee_id %2=0 THEN EMPLOYEE_ID+1 --EVEN   --ELSE employee_id END 'SWAP_EMP_ID ' FROM [dbo].[EMPLOYEE_DATA]

 - -Tableau Interview question asked by BIG 4 Question-Suppose you clicked on the 2018 Year sales data (Sheet 1) & Filtered Data should populate on another sheet(Sheet 2) containing the 2018 sales data by each month of 2018(Monthly trend sales of 2018) within the same dashboard  . When you deselect the 2018 year sheet(sheet 1) the monthly sales sheet(sheet 2) should disappear from the dashboard. Along with this title should disappear when you de select sheet 1 .but the sheet2 title should appear when I clicked on sheet 1. --Used sample superstore data --Tableau Action filter  Hide the clicked sheet & Filtered Data should populate on the another sheet within same dashboard | Tableau Public

Create a Visualization to reflect how sales of each category is performing throughout out the Each quarter  Datasource-Sample super store Published on Tableau public Category sales on each quater | Tableau Public

 ----L&T SQL Interview Problem | Print Highest and Lowest Salary Employees in Each Department--------- ---SQL INTERVIEW QUESTION------- - USE [SSIS] create table employee  ( emp_name varchar(10), dep_id int, salary int ); delete from employee; insert into employee values  ('Siva',1,30000),('Ravi',2,40000),('Prasad',1,50000),('Sai',2,20000) SELECT * FROM employee --- Sample Table Creation-------------------- ---Solution------------------------ WITH max_min_salary AS( SELECT *,max(salary)OVER(PARTITION BY dep_id)AS max_salary, min(salary)OVER(PARTITION BY dep_id)AS min_salary FROM employee) --SELECT * FROM max_min_salary SELECT dep_id,max(CASE WHEN salary=max_salary THEN emp_name END) AS max_salary_employee,  max(CASE WHEN salary=min_salary THEN emp_name END) AS min_salary_employee FROM max_min_salary GROUP BY dep_id ------------------END OF THE SOLUTION--------------

 --Maximum no of records by INNER JOIN,LEFT JOIN,RIGHT JOIN & FULL JOIN --SQL INTREVIEW QUESTION --Asked by Synchron ---------------------------------------------------------------------------------- USE [SSIS] Create table Synechron_TABL (      ID int ,      DepartmentName nvarchar(50),      Location nvarchar(50),      DepartmentHead nvarchar(50) ) Go --DROP TABLE Synechron_TABL Insert into Synechron_TABL values (1, 'IT', 'London', 'Rick') Insert into Synechron_TABL values (1, 'Payroll', 'Delhi', 'Ron') Insert into Synechron_TABL values (1, 'HR', 'New York', 'Christie') Insert into Synechron_TABL values (1, 'Other Department', 'Sydney', 'Cindrella') Go --DROP TABLE Synechron_TABL_2 Create table Synechron_TABL_2 (      ID int ,      Name nvarchar(50),      Gender nvarchar(50),      Salary int       ) Go Insert into Synechron_TABL_2 values (1, 'T...

 --NOT COMMON RECORDS FROM TWO TABLE USE [SSIS] SELECT REPLICATE('*',100) as 'INPUT_TABLE' SELECT * FROM [dbo].[emp_2020] SELECT * FROM [dbo].[emp_2021] ------1ST WAY OF SOLUTION----- SELECT REPLICATE('*',100) as 'OUTPUT_TABLE' SELECT * FROM [dbo].[emp_2020] E_20 WHERE E_20.emp_id NOT IN  ( SELECT E_21.emp_id   FROM [dbo].[emp_2021] E_21  ) UNION ALL SELECT * FROM [dbo].[emp_2021] E_20 WHERE E_20.emp_id NOT IN  ( SELECT E_20.emp_id   FROM [dbo].[emp_2020] E_20 ) ----------2ND WAY OF SOLUTION--------------------- SELECT E_20.emp_id,E_21.emp_id FROM [dbo].[emp_2020] E_20 FULL JOIN  [dbo].[emp_2021] E_21 ON E_20.emp_id = E_21.emp_id WHERE E_20.emp_id IS  NULL OR E_21.emp_id IS  NULL