The first step for accessing the RDS database from your local machine is to launch and configure the EC2 instance. Once you do that, you can configure the security groups and connect the RDS DB instance. You can also use command lines to achieve this if you’re on a Linux or Mac system. You will…
The DB2 SQL error SQLCODE=-204 SQLSTATE=42704 points to an issue where a queried object is undefined in the DB2 subsystem. This error, applicable to different object types, signifies an undefined version of the object, often packages. The following sections contain further details of the error code, its cause, and remedies. What Is the SQL Code…
Understanding time zones can be helpful for maintaining data integrity and synchronization when data remains scattered across different geographic locations. Oracle Database 19c offers a simple query-based process to manage the time zone information more effectively. It allows database administrators and developers to synchronize their applications. In the sections that follow, we will explore the…
![[Explained] Is It OK to Have a Database of Unrelated Data?](https://www.iheavy.com/wp-content/uploads/2023/09/Is-It-Ok-to-Have-a-Database-of-Unrelated-Data-768x432.webp)
Generally, it is not recommended to have a database of unrelated data. Databases are designed to manage related data for easy retrieval and analysis efficiently. When data is unrelated, challenges arise in identifying patterns, executing efficient queries, and integrating with other data sources. This can hinder data security, analysis, and overall usability. While there might…
![[Answered] Does Stopped EC2 Instance Cost Money?](https://www.iheavy.com/wp-content/uploads/2023/09/Does-Stopped-EC2-Instance-Cost-Money-768x432.webp)
Stopped EC2 instances do not cost money. However, sometimes, a stopped EC2 instance may still have some Elastic IP addresses, EBS volumes, or other resources attached to it. In that case, you might get charged despite stopping your EC2 instance. But the cost should be a fraction of the running cost of the instance. Or…
You can add an IAM role to an EC2 instance through the EC2 console, AWS CLI, or other options like Terraform and Amazon CloudFormation. Whether you like working with an easy GUI or prefer streamlined command lines, these approaches should work fine. Let’s have a closer look at how to add an IAM role to…
AWS does not provide a direct option to move an existing instance to a new Availability Zone. However, there’s a workaround if you want to change the Availability Zone of an EC2 instance. The process includes creating a new AMI from your EC2 instance and manually migrating it. After that, you need to launch a…
The DB2 SQL error SQLCODE = -904 indicates the unavailability of a DB2 resource, in most cases, a tablespace. However, other inaccessible resources like packages, internal workspaces, or buffer pools might also be the cause. You can go into the depths of this failure by finding out the reason from the IBM information center. Generally,…
The best practices to store PII data in a database include identifying which data classifies as PII data and which doesn’t. Once identified, the steps are to create a solid data architecture and encrypt the PII data. Generally, there are three methods to encrypt PII data: .NET Assembly, Column Level Encryption (CLE), and Transparent Data…
Azure Cosmos DB has the upper hand over Azure SQL Database with its low latency, high throughput, high availability, and multi-model support. It provides the best results for applications where real-time data access and fast performance are necessary. Azure SQL Database, however, has an edge by offering built-in intelligence, better security, and other traditional SQL…