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Fatal Error: Peer authentication failed for user "postgres", when trying to get pgsql working with rails.
Problem: Sometimes, we get the following error when trying to make a connection in Rails. FATAL ERROR: Peer authentication failed for us...
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Sometimes we need to remove special characters from string or columns value. Suppose, we developed an ETL tool that inserting records on ...
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My first task was to import CSV data to PostgreSQL after finishing the schema/table design. It was very challenging for me because I was new...
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$cond operator has the keyword "if", "then" and "else", using this operator we can perform if/else in ...
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Problem: DBA work is critical and sensitive; we work on Non Relational or Relational Database and the data consistency is a common facto...
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There are several ways to check the table exist in the particular schema , some solutions are described below. First, I'll create...
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This issue comes much time when we are using PostgreSQL with Node.js, Error: Cannot find module 'bcrypt' in nodejs application, and...
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Here we will discuss the technique to fetch nth row of the table in PostgreSQL. I will use the concept of the LIMIT and OFFSET Clause . ...
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In this article, we will learn how to create an AppSync API with the Lambda function. I will show you how a lambda function is written usi...
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Problem: Suppose we have a collection and one field is type string contains some special character (like !@#$%) and we don’t want these s...
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PostgreSQL statement uses the function crosstab to pivot the table records, pivot means I want to convert the rows to the column of particu...
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