Posted by AnithaKamatchi on Saturday, April 14, 2018 in Python | No comments
Saturday, April 14, 2018
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Usage : Merging tables - Update the existing rows and insert the new rows in base table from new table How the Merge SQL works???? ...
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Usage : Extract the data from the database How the SELECT query works???? Consider the table "Student_List" as shown be...
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Running Python Script File: Open notepad -> write the python scrip and save it as PythonFile.py. py is the extension for python file...
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Usage : Extract the data from the database which matches desired criteria General Syntax: Select * from table <table_name> ...
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Usage : Assign temporary alias name to columns and table How the Alias works???? Consider the table "Student_List" as s...
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pythonDictionary.py # Dictionary - Python from pip.utils.hashes import FAVORITE_HASH from email.policy import de...
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Usage : Decodes the values of a column with the one specified How the Decode SQL works???? Consider table "Participant_Lis...
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Program: declare len number; a integer; str1 varchar(10):='&str1'; str2 varchar(10); begin len:=length(str1); a:=len; ...
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pythonNumbers.py #Python Numbers num_1 = num_2 = - 123 #assigning same integer value to 2 variables num_3 = 123.00 #a...
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What is SQL????? SQL stands for Structured Query Language. We are storing large volume of data in databases. So how the human interact w...
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