DataFrame PySpark 3.4.0 documentation - Apache Spark An example of data being processed may be a unique identifier stored in a cookie. duplicates rows. Where Names is a table with columns ['Id', 'Name', 'DateId', 'Description'] and Dates is a table with columns ['Id', 'Date', 'Description'], the columns Id and Description will be duplicated after being joined. Suppose I am just given df1, how can I remove duplicate columns to get df? Syntax: dataframe.join (dataframe1,dataframe.column_name == dataframe1.column_name,"inner").drop (dataframe.column_name) where, dataframe is the first dataframe dataframe1 is the second dataframe What's the cheapest way to buy out a sibling's share of our parents house if I have no cash and want to pay less than the appraised value? Looking for job perks? be and system will accordingly limit the state. distinct() will return the distinct rows of the DataFrame. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structures & Algorithms in JavaScript, Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), Android App Development with Kotlin(Live), Python Backend Development with Django(Live), DevOps Engineering - Planning to Production, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Removing duplicate columns after DataFrame join in PySpark, Python | Check if a given string is binary string or not, Python | Find all close matches of input string from a list, Python | Get Unique values from list of dictionary, Python | Test if dictionary contains unique keys and values, Python Unique value keys in a dictionary with lists as values, Python Extract Unique values dictionary values, Python dictionary with keys having multiple inputs, Python program to find the sum of all items in a dictionary, Python | Ways to remove a key from dictionary, Check whether given Key already exists in a Python Dictionary, Add a key:value pair to dictionary in Python, G-Fact 19 (Logical and Bitwise Not Operators on Boolean), Difference between == and is operator in Python, Python | Set 3 (Strings, Lists, Tuples, Iterations), Adding new column to existing DataFrame in Pandas, How to get column names in Pandas dataframe, column_name is the common column exists in two dataframes.
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