With all of the excitement surrounding the release of Navicat 16, other noteworthy developments have been overshadowed somewhat. Perhaps none more so that the new standalone Navicat Charts Creator. Charting has been a part of Navicat products for some time now. Navicat 15 went even further to include data visualization in order to help identify trends, patterns and outliers. Navicat 16 adds even more features, by supporting more data sources and chart types as well as a focus on usability and accessibility. Suffice to say, Navicat can deliver information and present your findings in dashboard for sharing to a wider audience than ever before. In today's blog, we'll take a quick tour of Navicat 16's new charting tools.
When the Navicat team added the Navicat Cloud collaboration tool a few years ago, little did anyone know that a global pandemic would make collaboration a vital part of most organizations - especially those who provide any kind of Information technology (IT) related services. Being where we are in the last days of 2021, it should come as no surprise that Navicat has expanded its cloud solutions for Navicat 16. Now, Navicat Cloud supports more objects, and Navicat has just introduced an On-Prem Server for businesses working with sensitive data. Today's blog will provide an overview of Navicat 16's improved collaboration features.
The recent Navicat 16 listed some of its most note-worthy features and improvements, including:
- Data Generation
- Charts
- On-Prem Server
- Collaboration
- UI/UX Improvements
As promised, we'll be exploring these in much more detail throughout the coming weeks. In today's blog, we'll start with the entirely new Data Generation tool. We'll familiarize ourselves with it by going through the process of creating testing data for multiple related tables in Navicat Premium 16 for Windows.
In software development, there is a Boolean data type for working with binary states. Hence, it only has two possible states: true and false. However, there exists a third state that must often be accounted for, and that is one for "none of the above" or simply "other". In relational databases, NULL might seem to be a good candidate for this state, but is not, due to its historical context. Recall from previous blogs that NULL has a very specific meaning in Structured Query Language (SQL) to indicate that a data value does not exist in the database. The NULL value was actually introduced by none other than the creator of the relational database model himself, E. F. Codd. In SQL, NULL has come to indicate "missing and/or inapplicable information". Seen in this light, NULL can hardly represent a "none of the above" or "other" condition. So then, what is the best way to represent ternary - or three-state - data in relational databases? We will answer that question here today for MySQL and PostgreSQL. Next week we'll cover SQL Server and Oracle.
How many times have you found a query to be sufficiently performant when testing against sanitized data, only to see it stall once in production? It happens all the time, due to differences between the environments such as workload and volume of data. This may lead you to try out your query in production. After all, the fastest way to tune a query for production is on the production server, is it not? While correct, there are many dangers awaiting those foolish enough to tempt fate with such a cavalier disregard for safeguards and protocols. In this blog, we'll explore some of the risks associated with testing queries in production.
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