Files

EM
SQL interview some of the questions would be definitely from below list
july2022 sql
1.1 SQL_Interview_question_y.txt
1.WindowingFunction-RANK,DENSE_RANK,ROW_NUMBER.sql
10.SQL Running Total Advance SQL Rolling N months SUM, AVG, MIN, MAX.sql
11.AK-Pareto Principle Implementation in SQL.sql
11.FIND 2ND HIGHEST SALARY.sql
12.AK-Scenario based on join, group by and having clauses.sql
13.CTE(Common Table Expression) example.sql
14.SOLVE_15_SQL_QUERRIES.sql
15.Lead&Lag Window Analytical functions in SQL.sql
16.SQL_INTERVIEW.sql
17.Difference between Where and Having Clause in SQL.sql
18.lead lag window function.sql
19.Charnindex & SplitString function in sql.sql
2.AK-matches_won_loss_of_match.sql
20.Calculate number of weekdays between two dates Exclude Weekends,DateDiff DateName.sql
21.Case When Statement in SQL.sql
22.AK-Leetcode Hard Problem Complex SQL 7 Trips and Users.sql
23.Replace, Stuff, Substring and Translate SQL String Functions.sql
24.SQL JOINS Tutorial Using a Case Study.sql
25.Methods To Calculate Median With SQL.sql
26.AK-Tournament Winners problem.sql
27.AK-Leetcode Hard Problem 3 Market Analysis 2.sql
28.AK-tricky sql question.sql
29.leetcode 5 question.sql
3.Self_Join_Concept_Employee_Salary_More_than_Manager's_Salary.sql
30.Working with SQL NULL values Null Handling Functions.sql
31.AK-lettcode problem.sql
32.How to Write SQL with CTE_SQL With Clause_Common Table Expression.sql
33.Recursive CTE.sql
34.Practice SQLs Without Creating Tables In Your Database.sql
35.Data Science SQL Interview Question Recommendation System.sql
36.1 Remove leading and trailing zeroes from a decimal.sql
36.10 How to increment salaries of employees who have 2 years with the organization Datediff.sql
36.11 Unpivot Convert data from columns into Rows.sql
36.12 Pivot Convert data from Rows to Columns.sql
36.13 Dynamic Pivot How to dynamically convert rows into columns.sql
36.14 How to find employees hired in last n months Datediff.sql
36.15 How to capitalize first letter of a string.sql
36.16 How to find employees retiring at the end of the month DATEADD EOMONTH.sql
36.17 How to identify Overlapping Date Ranges.sql
36.18 Count the occurrence of a character in a string.sql
36.19 Find names that startend with More examples Like Pattern Matching.sql
36.2 How to Extract Numbers and Alphabets from an alphanumeric string Translate function.sql
36.20 How to find strings with lower case characters Case Insensitive Collate.sql
36.21 Difference between Countstar Count1 Countcolname.sql
36.22 How to find Maximum of multiple columns.sql
36.23 How to find n consecutive date records Sales for at least n consecutive days.sql
36.24 No sales for n consecutive days Identify date gaps.sql
36.25 How to find First and Last day of week.sql
36.26 How to find top n salaries in a department and sum the remaining as 'Others'.sql
36.27 Compare monthly sales with previous month, same month previous year, first month of year.sql
36.28 How to find number of emails from the same domain.sql
36.29 How to find all levels of Employee Manager Hierarchy Recursion.sql
36.3 How to calculate Running Totals and Cumulative Sum.sql
36.30 SQL Query to find a leap year 2 methods.sql
36.31 How to generate date records for a Calendar table.sql
36.32 What is the difference between Translate and Replace.sql
36.4 How to calculate YTD and MTD totals Window Functions.sql
36.5 How to calculate the First and Last Order FIRST_VALUE LAST_VALUE Window Functions.sql
36.6 Find employees with salary less than Dept average but more than average of any other Dept ANY.sql
36.7 How to find employees with highest salary in a department.sql
36.8 Find employees with salary greater than department average and less than company average.sql
36.9 How to find employees with salary greater than their managers salary.sql
36.Check For Alphanumeric values.sql
37. AK-How to Delete Duplicates in Production Environment.sql
38. Amazon Prime Subscription Rate SQL Logic.sql
39.1 Yelp Top Cool Votes problem.sql
39.Amazon problem Highest Cost Orders.sql
4.AK-find new and repeat customers.sql
40.AK-SQL Cross Join Use Cases Master Data Performance Data.sql
41.cs-Highest Energy Consumption.sql
42. AK -Most Asked SQL JOIN based Interview Question no. of Records after 4 types of JOINs.sql
43. AK- all joins most asked question.sql
44. AK- all joins with diff values.sql
45. AK- ALL JOINS with nulls.sql
46.AK-Customer Retention and Churn Analysis PART-1 SQL Interview Question Product Based Companies.sql
47. AK-How to Calculate Mode in SQL How to Find Most Frequent Value in a Column.sql
48. AK-Second Most Recent Activity SQL.sql
49. AK-find the change in employee status.sql
5.AK-Scenario based Interviews Question for Product companies.sql
50. AK-Scenario Based SQL Question Solving Using SCD Type 2 Concept.sql
51. AK-A Simple and Tricky SQL Question Rank Only Duplicates.sql
52.AK- Data Analyst Take Home Assignment by A Startup Spotify Case Study.sql
53. AK- Advance SQL Queries Consecutive Empty Seats.sql
56. Difference between Row Number, Rank and Dense Rank Tie-breaking scenario.sql
57.How to generate match schedule for list of countries Match one row with all other rows.sql
58. AK-finding missing quater.sql
58.Replace multiple commas with a single comma.sql
59. AK-find students with same marks in physics & chemistry Deadly Combination of Group By and Having Clause in SQL.sql
59.Sort by one country always at top and others in ascending order Custom sorting.sql
6.Top_10_SQL_interview_Questions_and Answers_Frequently_asked_SQL_interview_questions.sql
60. SQL Queries for experienced.sql
61. User has to display all these fields along with maximum TranAmt for each CustID and ratio of TranAmt and maximum TranAmt for each transaction..sql
62.1 Amazon Complex SQL Interview Questions Group BY JOINS OR MULTIPLE QUERIES.sql
63. AK - find cities where covid cases increasing continuously.sql
64.AK- Google SQL Interview Question for Data Analyst Position.sql
65-AK Sorting Happiness Index Data with India on Top.sql
66 - Employee with closest salary to average salary in a department.sql
67.Amazon - find min & max values of common continuous sequence in each group.sql
68 - amazon sql Marks greater than or equal to prev year.sql
69. sbq- return maxi transamnt and ration for each transation.sql
7.Datepart,Dateadd,DateDiff.sql
70- Emailid concatenated with semicolon associated with a each DEPT_ID.sql
71 -Amazon SQL-products that got sold on both the days and the number of times the product is sold.sql
72. AK-Meesho find how many products falls in customer budget aong with its list of product.sql
73 AK-horizontal sorting amazon bi engineer question.sql
74.SQL practical question-find the percentage contribution of city to state's total population.sql
75- Sort a table based on gender.sql
8.SQL Convert Rows to Columns and Columns to Rows without using Pivot Functions.sql
9.write a querry to provide the date for nth occurence of sunday in future from the given date.sql
BIG DATA & SPARK DEVLOPER NOTES.txt
MOCK_DATA.csv
Superstore_orders.csv
Superstore_orders.xls
empdob.csv
happiness_index.csv
returns.csv
returns.xlsx
w.sql

empdob.csv

1	first_name	last_name	Birth_date
2	Deana	Matthaus	06/07/1999
3	Giffard	Girk	06/06/1998
4	Alberik	Lynock	13/05/1998
5	Caralie	Stiffkins	12/11/1998
6	Hermie	Haydney	04/12/1998
7	Roberta	Brazear	19/05/1999
8	Tibold	Whales	08/01/1999
9	Lenci	Benda	10/06/1999
10	Bartram	Darrow	02/08/1998
11	Alvy	Schutte	03/05/1999
12	Keenan	Gravatt	07/07/1998
13	Valeria	Roston	27/03/1998
14	Christos	Mackett	18/02/1999
15	Andreana	Reeves	06/09/1998
16	Kandace	Spaducci	21/02/1999
17	Marley	Daniel	04/08/1999
18	Natalya	Castelow	14/07/1999
19	Lusa	Hothersall	01/05/1999
20	Ingrim	Worlidge	16/05/1998
21	Ruthanne	Fitzjohn	02/03/1999