@aviwcodes - 70 本の動画
チャンネル登録者数 237人
It's great to learn and share knowledge with people around us. This channel will help you to learn and master skills relevant to Data Engineering and Data An...
Find number of NULL values in a column #sqlinterview #sqlinterviewquestions
Skip footer rows while creating pandas dataframe #pandasdataframe #pythonpandas #pythonprogramming
find latest record of each employee based on created date. #sql #sqlinterview #sqlinterviewquestions
pandas dataframe from json file #pythonpandas #pandasdataframe #pythonprogramming
Create beautiful 😍 hill using #matplotlib #python #pythonprogramming @aviwcodes
Create 3D stem plot using #matplotlib #python @aviwcodes
Create 3D sphere surface using #matplotlib #python #pythonprogramming
skip unwanted rows while creating pandas df #pythonpandas #pandasdataframe #pythonprogramming
3D wireframe plot using #matplotlib #python #pythonprogramming
Plot contour curves in 3D using #matplotlib #python #pythonprogramming
pandas df from CSV file without header #pandasdataframe #pythonpandas #python
Amazing 3D voxel plot using #matplotlib #python #pythonprogramming
pandas df from CSV file with custom delimiter #pandas #pandasdataframe #pythonpandas
excellent 3D surface with #matplotlib #python
SQL Questions and Answers Part 2 | SQL Interview Preparation
attractive 3D scatterplot with #matplotlib #pythonprogramming
Create nice pie chart using #matplotlib #piechart #piecharts #python
SQL MERGE | How to insert, update and delete rows in a table using one SQL query
Create pleasing ♡ ♥💕❤ scatter plot. #matplotlib #pythonprogramming #attractive
SQL Questions and Answers Part 1 | SQL Interview Preparation
Create attractive bar chart with matplotlib. #matplotlib #attractive #python
Merge pandas df with different column names. #pythonpandas #pandasdataframe #pythonprogramming
What % of total salary is given to employee per dept. #sql #sqlinterviewquestions #sqlinterview
Explode list items across rows in pandas df #pythonpandas #pythonprogramming #pandasdataframe
What % of total salary is given to each employee. #sql #sqlinterviewquestions #sqlinterview
Merge/join 2 pandas dataframes. #pandasdataframe #pythonpandas #pythonprogramming
Add column in df by extracting values from dictionary #pandas #pythonpandas #pythonprogramming
add new column in pandas df based on existing column values. #pandas #python #pythonpandas
SQL query to find income per product. #sql #sqlinterviewquestions #sqlinterview
add a new column to pandas df with static value. #pythonpandas #python #pythonprogramming #pandas
create pandas dataframe from python dictionary. #pythonpandas #python #pythonprogramming
create pandas dataframe from python list. #pythonpandas #python #pythonprogramming #pandasdataframe
SQL query to find cities that contains character o. #sql #sqlinterviewquestions
sql query to find cities with 2nd char as a. #sql #sqlinterviewquestions
SQL query to find firstname from fullname. #sql #sqlinterviewquestions
create spark dataframe from CSV. #apachespark
create spark dataframe from seq. #apachespark
find number of customers with same number of orders.#sql #sqlinterviewquestions
find customers who placed more than 5 orders #sql #sqlinterviewquestions
Find employees earning 3rd highest salaries in their departments. #sql #sqlinterviewquestions
row_number, rank and dense_rank in SQL #sql #sqlinterviewquestions #sqlinterview
SQL query to find customer who did not order anything. #sql #sqlinterviewquestions #sqlinterview
Get products of category that has highest no. of products. #sql #sqlinterviewquestions #sqlinterview
SQL query to find product having 2nd highest price. #sql #sqlinterview #sqlinterviewquestions
SQL DELETE Statement | Deleting records from a table | Deleting specific records from a table
SQL query to find products with price more than avg price. #sql #sqlinterviewquestions #sqlinterview
SQL UPDATE Statement | Update values of columns for specific records and all records
SQL query to find total income per product. #sql #sqlinterviewquestions #sqlinterview #sqljoins
SQL query to delete duplicate records. #shorts #sql #sqlinterviewquestions #sqlinterview #aviwcodes
SQL query to find moving average. #sql #sqlinterviewquestions #aviwcodes
Find cumulative sum/running total. #sql #sqlwindowfunction #aviwcodes
Find latest order date for all customers. #shorts #sql #sqljoins #sqlinterviewquestions #aviwcodes
Find number of orders placed by each customer. #shorts #aviwcodes #sql #sqljoins #sqlinterview
SQL query to find number of customers from each country and city. #short #aviwcodes #sql
SQL INSERT INTO Statement | Insert records into a table | Insert records from a table to another
SET Operators if data types are inconsistent
SQL SET Operators
SQL NATURAL JOIN
SQL CROSS JOIN
SQL OUTER JOIN | LEFT OUTER JOIN | RIGHT OUTER JOIN | FULL OUTER JOIN
SQL INNER JOIN | SELF JOIN | Fetching data from multiple tables
Why is data stored in separate tables and Why we need JOIN operation?
SQL HAVING Clause
SQL GROUP BY
SQL DISTINCT Keyword | Selecting unique records from a dataset
SQL ORDER BY | Sorting data | Sorting records based on multiple columns
WHERE Clause and Operators
SQL SELECT Statement | Selecting data from columns having complex data type
Creating tables and loading data on snowflake
What is SQL? Creating free Snowflake account.
SQL MERGE | How to insert, update and delete rows in a table using one SQL query
337 回視聴 - 2 年前
SQL DELETE Statement | Deleting records from a table | Deleting specific records from a table
45 回視聴 - 2 年前
SQL UPDATE Statement | Update values of columns for specific records and all records
55 回視聴 - 2 年前
SQL INSERT INTO Statement | Insert records into a table | Insert records from a table to another
75 回視聴 - 2 年前