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How to write SQL Functions in PostgreSQL

How to write SQL Functions in PostgreSQL. Learn how to write PostgreSQL SQL functions. Learn how to use parameters in a PostgreSQL function, how to use the return value and datatype. Table of Contents 00:00 Begin Video 00:11 How to write postgresql string function MID, use $1 02:54 How to write sql function that uses ALIAS keyword 04:51 How to write sql function that uses parameter names and datatypes 05:51 - Use a template for fnMakeFull (firstname + secondName), how to use IF ELSIF ELSE, concat, concat_ws, initcap 11:51 how to use INOUT parameter, write function to swap 13:05 how to write function that uses array as input parameter how to loop over array to calculate the mean value 16:27 to write sql function that returns data from a table QUERY RESULT, return query 20:42 End message from scott johnson how to create function in postgresql using pgadmin create or replace function postgres postgresql function with parameters postgresql function return table all columns postgres return dataset from function postgresql alias column postgresql column alias where clause postgres string concat operator #softwareNuggets, #postgresql, language plpgsql, ‪@SoftwareNuggets‬