Bijay 
In this comprehensive MariaDB tutorial, I’ll walk you through everything you need to know about the MariaDB BETWEEN operator—a powerful clause for querying data within specific ranges with multiple examples. MariaDB Between What is the BETWEEN Operator in MariaDB? The BETWEEN operator in MariaDB is a comparison operator that allows you to test if a … Read more >>
In this Postgresql tutorial, we will learn about “Postgresql import SQL file” using different methods and platforms with multiple examples. We will create and insert some data into the PostgreSQL database using the SQL file or by importing the SQL file. PostgreSQL import SQL file Prerequisites Before you start, ensure you have: Prerequisite Description PostgreSQL … Read more >>
Recently, when I attempted to import the SQL file, I encountered the ‘permission denied’ error. First, let’s examine the error that occurs during SQL file import, and then we will discuss the solution to resolve this issue. Psql import SQL file permission denied For Windows users, enter the psql command prompt by using the command below. … Read more >>
Whether you’re cleaning up your database, restructuring your schema, or preparing for a fresh start, the DROP TABLE command is the best solution.In this PostgreSQL tutorial, we will discuss the PostgreSQL DROP TABLE statement to remove existing table(s) from the current database. PostgreSQL DROP TABLE You can remove table(s) from the database in PostgreSQL by using the statement … Read more >>
In this PostgreSQL tutorial, we will learn about PostgreSQL Data Types. Here we will learn about the different data types available in PostgreSQL with examples. PostgreSQL Data Types PostgreSQL upholds a vast range of Data Types. It contains several data types, including Boolean, Numeric, Character, Temporal, Array, JSON, UUID, and special data types. When generating … Read more >>
In this PostgreSQL tutorial, we will learn about PostgreSQL DATE Functions Examples and know how to extract specific parts of the dates, manipulate the dates, perform arithmetic operations on dates, and convert dates or times to different time zone. PostgreSQL DATE Functions Examples Let us discuss various examples one by one in detail. Example 1: … Read more >>
Recently, I was working on a requirement that required me to execute a for loop in PostgreSQL. In this article, I will walk you through the solution to fix the error upper bound of for loop cannot be null. Upper Bound of for Loop cannot be Null I executed the below query. After executing the … Read more >>
In this comprehensive PostgreSQL tutorial, I’ll walk you through everything you need to know about PostgreSQL For loop, from basic concepts to advanced techniques that I’ve personally implemented in many applications. PostgreSQL For Loop PostgreSQL provides for loop statements to iterate over a range of integers or a result set in a sequence query. What is a … Read more >>
In this PostgreSQL tutorial, we will discuss the PostgreSQL TO_TIMESTAMP() function, which converts a string into a timestamp type value based on a specified format, with 11 real-time examples. PostgreSQL TO_TIMESTAMP PostgreSQL provides several data type formatting functions, which serve as a comprehensive set of tools to convert various data type values (such as date-time/timestamp, integer, numeric, and floating-point) into formatted strings … Read more >>
In this comprehensive article, I’ll guide you through various approaches to connecting to a PostgreSQL database and share best practices I’ve gained experience with. How to connect PostgreSQL database Case 1: In Linux In this section, we’ll learn how to connect to the PostgreSQL database in the Linux RPM package. We’ll be discussing a terminal-based … Read more >>
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