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Monday 27 September 2021

Oracle 21c New Features

Today I published one more video to my youtube channel. Oracle 21c New Features for DBAs and Developers.

Thursday 16 September 2021

Database Server Security

 
Database Server Authentication Security Policy:


SQL Server allows two different modes for security authentication: Windows Only Authentication and Mixed Authentication consisting of Windows and SQL Server authentication methods. While you'll fmd numerous articles, white papers and proposals touting Windows Only authentication over SQL Server authentication thanks to the improved security that comes with Windows authenticating the users, you'll probably end up defining security for installations that running under mixed mode for various reasons.


I do agree that you simply should do your best to maneuver your installations to Windows Only Authentication but this may probably be an extended fight on your part and as soon as you are doing get everything moved over, someone would require a 3rd party application installation that only works with mixed mode. Mandate that the utilization of SQL Server authentication be by exception only and need all access to your database be made with the utilization of Windows authentication.


Operating System Microsoft Windows Authentication:


Windows authentication leaves the method of determining if the users are who they assert they're up to the OS . you'll still need to grant database access to Windows users or groups and provides objects permissions to those logins. you only don't need to worry about the passwords or authentication methods employed by the logins. Some experts recommend that you simply group your Windows users into Windows groups and provides access to the group instead of individual users. I also recommend you are doing this if possible so as to ease the administration of the logins within SQL Server. it's easier to get rid of a DBA from a Windows DBA group than it's to travel into every SQL Server instance and take away the individual's Windows user. You can get more ideas from our official blog for Oracle tutorials.


There are mixed Authentication also available to manage:


Mixed authentication mode allows both Windows authentication and SQL Server authentication. While it's often recommended that you simply use Windows Only authentication, you'll find applications that haven't been updated to figure with Windows authentication. If forced to use mixed authentication thanks to legacy applications, you ought to still work to urge individual users, new applications, and existing database processes moved over to Windows Only authentication whenever possible. Letting the OS handle authentication will close several of the main vulnerabilities found in SQL Server security over the past few years.


SQL Database Server Service Accounts Security Policy also available to manage:


One of the foremost discussed issues when handling SQL Server security are the safety needs of the SQL Server Agent and therefore the SQL Server executive accounts. After handling numerous companies, I even have found several different methods for handling these accounts. Some companies simply create a website account and make that account a website admin. Problem solved, SQL Server has all the rights it must work within the domain. Other companies don't create an account for SQL Server in the least and easily run it under the LocalSystem account as no network permissions are needed by their installations and this is often the simplest method to use. Other companies create domain user accounts, on the other hand make that user a part of the administrators group on each SQL Server. I even have yet to figure somewhere that runs SQL Server under an area user account, but there are many companies that have found out there SQL Servers to run this manner . What you would like to work out is which method is that the one you ought to use?


Which Type of Account to Use to manage strong security of database server?


After recent discussions on the precise accounts needed for the SQL Server executive service and therefore the SQL Server Agent, i like to recommend that your SQL Server security policy mandate that SQL Server service accounts operate under one among two sorts of accounts. If the SQL Server installation doesn't got to access the network, use SQL Mail, use the SQL Server Agent mail functionality, inter-act with heterogeneous data sources, or is involve with replication then your SQL Server service accounts should run under an area user account with rock bottom possible set of permissions needed thereon server. For those installations that need one or more of these services listed above, then a website user should be created for every of the SQL Server service accounts. Both service accounts should have a separate domain users created for them because you'll got to assign different network or local privileges to every one. For taking more guidance then contact our remote DBA services team.


Another point in your policy should be that the names of the accounts you create shouldn't divulge their purpose. If I hacked into your system and had limited time to try to to damage, wouldn't I tend to consider trying to interrupt into accounts with the name of SQLServerAdmin or SQLServerAgent rather than an account with the name of an actual person. Sounds a touch far fetched, but believe the names of your accounts and the way easily it might be for somebody to interrupt in under these accounts with simple guessing of the account name. I even have been at quite one place that used SQLServerAdmin because the name of their SQL Server executive account. That user would be one among the primary account names i might try when breaking into a server.
You can use Enterprise Manager to review the accounts your SQL Server installation is running under.
For the SQL Server service account — Right-click on the server in Enterprise Manager and choose Properties. Click on the safety tab and you'll be ready to see the service account information at rock bottom of the tab page.
 
For the SQL Server Agent service account — Expand the Management folder and right-click SQL Server Agent. Click on Properties and choose the Connection tab. you ought to see the service account information at the highest of the tab page.

Wednesday 8 September 2021

What Is The Best Way To Keep Your Database Server Secure?

 


In this latest technology world, we need to maintain top-notch security to our database server. Due to heavy cyber attacks and hackers, we need to protect our database from any security risk. For achieving this goal, we need to provide maximum protection to our server. Close all black holes of the server using a firewall and provide foolproof security to avoid any attack of data theft. We can focus our network security too to add another layer of protection to the server.


Maintaining Database Security

Here we will discuss the different ways to achieve database security: Direct Access: In this method, we will change the server’s IP address, the port, and the protocol of the database server. For this, we can select what is the default port, that is http. Then we will connect to the server using the web browser’s address, like a port number. In this method, we will change the server’s IP address, the port and the protocol of the database server. For this, we can select what is the default port, that is http. Then we will connect to the server using the web browser’s address, like port number. Dynamic Access: In this method, we will change the server’s IP address, the port, and the protocol of the database server. Instead of use HTTP use HTTPS secure socket layer.


We will discuss what we need to do to keep our database server secure by installing many technologies. To install anti-spyware security software, we need to use the latest version of the software. To install an advanced malware protection security solution, we need to create a proper network access plan for it. To provide a firewall, we need to set up a DNS server to block bad actors in the path of the data. Now you will find out how to install and configure numerous best practices. The implementation of these practices will add security to the server by keeping unauthorized access to the server. 1. Install Internet Security Software For Your Database Server Internet security software is an important aspect to install and keep the server secure.


Ways to Keep Your Database Server Secure

Vulnerability Scanning The major security risk that a database server needs to protect is the possibility of an external attack to the server. Here we need to carry out a vulnerability scan to check if the server can be compromised by an outside source. A vulnerability scan can be carried out on our server to check the server for any major vulnerabilities and loopholes. Here we can do a vulnerability scan on the server by uploading a custom vulnerability scanner to check our server. SQL Injection SQL Injection is the major security risk that our database server needs to protect. It is one of the most common hacking methods to gain access to our server. It is one of the hardest security challenges. For more detail you read our articles on orageek.com


Conclusion

Database hosting services have been the top choice of small and large business owners in the last couple of years. Moreover, there have been no certainties left for our hosting business these days. And data security is our main concern. We need to use database hosting services to add another layer of protection to our server. We also need to use cloud hosting to save a lot of our capital. However, we need to do much more research in this field and it will take some time before we can find a proper solution to our database security problems. Thus, we have to trust database hosting services that have sufficient skills and experience in data security.

Friday 3 September 2021

What do data analysts do?


This creates the responsibility to translate the remark into shared knowledge and to contribute to the technique of solving the underlying business problems. This implies that a key talent in information science is to make use of data to inform stories in compelling ways. No knowledge on vomiting; Instead, current a cohesive narrative of the problem and solution, utilizing insights from the data as supporting pillars resulting in recommendation.

Like each milestone in this story, massive knowledge didn't happen overnight. There was a path main up thus far with a quantity of main stops alongside the best way, and it is a path where we're in all probability not close to the top yet. To reach at present's data-driven world, we would have liked scalability, pace, and ubiquity. Develop your profession by earning a web-based Master of Science in Data Science from Syracuse University. Machine learning classification is a type of supervised learning the place an algorithm maps a set of inputs to discrete outputs.

This data can be utilized to predict consumer conduct or establish business and operational risks. A data scientist is usually a storyteller who presents information about data to choice makers in a method that's understandable and acceptable for drawback fixing. For any business seeking to enhance their extra data-driven business, knowledge science is a secret. Data science initiatives can offer a number of returns on investment, from driving information knowledge to developing data products. However, hiring people who have this highly effective mixture of different skills is easier stated than accomplished.

The ensuing mannequin estimates the probability of every new buy being fraudulent. Common methods of coaching models range from fundamental regressions to complex neural networks. Many universities now offer undergraduate and graduate degrees in knowledge science, which could be a direct path to employment. As the amount of information generated and picked up by companies increases, so does their need for data analysts. This has led to a excessive demand for employees with knowledge science expertise or coaching, making it tough for some companies to fill out there positions. . Now, we need to be aware of some machine studying algorithms that are useful in having a clear understanding of information science. .

On campus, information science masters applications continue to take pleasure in great popularity, however online knowledge science masters packages are additionally gaining popularity. Data science programs cowl programming languages ​​such as Python and R. Learn about data structures, relational databases, and tips on how to handle structured and unstructured knowledge. Data scientists are extra necessary than ever to companies in all industries.

Increasing reminiscence capability requires greater sophistication in the analysis and use of this information. Modern data science has emerged in know-how, from optimizing Google search rankings and LinkedIn suggestions to influencing headlines revealed by Buzzfeed editors. But it is poised to transform any industry, from retail, telecommunications, and agriculture to healthcare, auto transportation, and the criminal justice system. .
This contains analytical platforms for educated data scientists, automated machine studying platforms that can also be used by citizen knowledge scientists, and collaboration and workflow centers for data science groups. The list of distributors includes Alteryx, AWS, Databricks, Dataiku, DataRobot, Domino Data Lab, Google, H2O.ai, IBM, Knime, MathWorks, Microsoft, RapidMiner, SAS Institute, Tibco Software, and so on. From an operational standpoint, data analytics initiatives can optimize the administration of supply chains, product stock, distribution networks and customer service. At a extra basic stage, they level the best way to elevated effectivity and decrease costs. Data science also permits corporations to create business plans and techniques primarily based on knowledgeable evaluation of customer conduct, market developments and competitors. . Without it, companies can miss out on alternatives and make dangerous choices.

Find out how the best organizations drive synthetic intelligence and reap nice benefits from it.
While R is a weird and weird language, especially to somebody with a background in computer science, it comes near providing a "one stop store" for most statistical work. It has wonderful graphics services; CRAN includes analyzers for many kinds of knowledge; and newer extensions extend R to distributed computing. If there is a tool that gives an entire solution for statistical work, R is. Hadoop goes far past a simple MapReduce implementation; it's a key part of the info platform. If something could be referred to as a one-stop-shop data platform, it is Hadoop.


Data science
encompasses descriptive, diagnostic, predictive and prescriptive capabilities. This signifies that by analyzing the info, organizations can use the data to seek out out what occurred, why it occurred, what is going to happen, and what to do with the anticipated end result. When researching boot camps, it is necessary to contemplate your career targets and what you wish to acquire from this system.