Databases

PostgreSQL Data Types

July 29, 2021

As a relational database management system, PostgreSQL offers a variety of data types for users to work with. This tutorial covers the different built-in data types available in PostgreSQL.

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Best Database Management Software - Top 25 Software

July 21, 2021

A DBMS facilitates data manipulation and provides an additional security layer for your database. This article lists the 25 best database management systems.

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RDD vs. DataFrame vs. Dataset


Spark contains three major data structures and APIs for working with big data: RDDs, DataFrames and Datasets. Learn about the difference between them as well as when it's best to apply each.

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How to Create a Spark DataFrame


Spark DataFrames are an essential part of working with data in Spark. Learn how to create DataFrames from scratch in this easy to follow tutorial.

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How to Install SQL Server on MacOS

July 13, 2021

Microsoft's SQL Server 2019 supports Windows 10, Linux, macOS, and Docker as install options. This tutorial takes you through the process of installing SQL Server on macOS as a Docker deployment.

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How to Install SQL Server on Linux

July 8, 2021

SQL Server is Microsoft's proprietary system for managing relational databases, but it's also available on Linux. In this tutorial, learn how to install SQL Server 2019 on Ubuntu or CentOS/RHEL.

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How to Install SQL Server on Windows 10

July 1, 2021

SQL Server is Microsoft's solution for creating and managing SQL databases. This tutorial takes you through the step-by-step process of installing SQL Server on Windows.

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How to Download and Install PostgreSQL on Windows

June 29, 2021

PostgreSQL is one of the most popular relational database management systems available today. This tutorial offers a step-by-step guide to installing PostgreSQL on Windows.

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How To Optimize MySQL Tables

June 24, 2021

MySQL tables fragment over time as delete and update queries are performed. With a large database, the fragmentation slows down queries significantly. Learn about when to use optimization and follow our tips on how to perform table defragmentation.

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13 Best SQL Query Optimization Tools


Query optimization tools are a great way to improve server performance without having to manually change queries and look for errors. This article lists 13 best query optimization tools.

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