DBCC SHRINKFILE is a command in SQL Server that allows you to reclaim space from a database file. It lets you reduce the size of a data or log file in a SQL Server database, without moving any data pages. And the TRUNCATEONLY option specifically releases free space at the end of the file back…
For Taking SQL server backup to Azure Blob Storage you need to create an Azure Storage account first. Then comes the configuring of blob containers, and scheduling automated backups using SSMS or T-SQL commands. This guide outlines a streamlined process for setting up SQL Server backups to Azure Blob Storage with a focus on automation….
Today, we’re on a journey to unravel the mysteries of unique indexes in SQL Server. It’s like playing detective in the world of databases, where we ensure that every piece of data is as unique as a snowflake. So, grab your magnifying glass, and let’s get sleuthing! Think of an index as a super-efficient librarian…
When you terminate an EC2 instance, AWS might not automatically remove the associated Elastic IP Addresses, leading to potential charges of $43.80 per year for each unassociated Elastic IP. In a sizable enterprise, this issue can result in substantial costs, but fortunately, it’s entirely preventable. To delete an Elastic IP (EIP), you can use the…
Working with SQL often involves addressing specific scenarios, and one common requirement is dealing with odd and even rows in a table. This becomes particularly crucial when striving to organize and analyze data systematically. In this article, we’ll go through two straightforward approaches to tackle this task effectively. The first method employs a temporary table,…
Encountering the error message “Invalid attempt to call read when reader is closed” in your code can be perplexing. In this article, we’ll unravel the mystery behind this error, exploring its root causes, impact on application performance, and effective ways to resolve and prevent it. Understanding the Error: “Invalid attempt to call read when reader…
Designing an effective database schema for implementing a parent-child relationship is a critical aspect of database management. This guide details the technical essentials, focusing on the identification of entities and the establishment of relationships through primary and foreign keys. It provides a step-by-step walkthrough of creating parent tables using SQL commands, emphasizing careful column definition,…
In the dynamic realm of Apache Spark, where distributed computing reigns supreme, efficient communication among nodes is pivotal for seamless operation. Enter `spark.network.timeout`, a configuration parameter that wields significant influence in ensuring the harmony of Spark clusters. Let’s unravel the mysteries surrounding this parameter, breaking down its definition, functionality, and crucial role in maintaining the…
Java developers often encounter the “java.sql.SQLRecoverableException: Closed Connection” error when working with databases through Java Database Connectivity (JDBC). This error typically indicates that the application is attempting to perform an operation on a database connection that has already been closed. In this article, we’ll explore the common causes of this issue and provide step-by-step solutions…
The rise of data-driven and event-driven applications has led to the emergence of specialized cloud services for real-time data streaming and event processing. The most popular Azure services in this domain are Azure Event Hubs and Azure Event Grid. In this article, we will do a deep dive comparison between these two services to understand…