What's cyber security?

Computer security, cybersecurity or information technology security (IT security) is the security of computer systems in the theft of or damage to their own hardware, applications, or digital information, in addition to in the disruption or misdirection of their solutions they supply. The area is becoming more important because of greater reliance on computer technologies, the web and wireless system standards like Bluetooth and Wi-Fi, and as a result of development of "smart" devices, such as televisions, smartphones, and the numerous devices which constitute the"Internet of things". Due to its complexity, both regarding science and politics, cybersecurity can also be one of the significant challenges in the modern world.

What's cyber security?

Organizations face many threats to their data systems and information. Knowing all of the fundamental elements to cyber safety is the first step to fulfilling these threats.

Types of cyber security.

The reach of cyber protection is broad. The core regions are explained below, and some other fantastic cyber security plan must take all of them into consideration.

Critical infrastructure includes the cyber-physical systems which society is based on, for example, electricity grid, water purification, traffic lighting and hospitals. Plugging a power plant to the world wide web, as an instance, makes it vulnerable to cyber attacks. The solution for associations accountable for critical infrastructure would be to carry out due diligence to safeguard recognize the vulnerabilities and protect from them. Everyone else must evaluate the way an attack on critical infrastructure that they rely on could impact them and develop a contingency plan.
Critical infrastructure.
Critical infrastructure includes the cyber-physical systems which society is based on, for example, electricity grid, water purification, traffic lighting and hospitals. Plugging a power plant to the world wide web, as an instance, makes it vulnerable to cyber attacks. The solution for associations accountable for critical infrastructure would be to carry out due diligence to safeguard recognize the vulnerabilities and protect from them. Everyone else must evaluate the way an attack on critical infrastructure that they rely on could impact them and develop a contingency plan.
Network security guards against malicious intrusion in addition to malicious insiders. Ensuring network security frequently requires trade-offs. By way of instance, access controls like additional logins may be required, but slow down productivity. Tools used to track network safety create a great deal of information -- so much that legitimate alarms are often overlooked. To help better handle network security monitoring, safety teams are using machine learning how to flag abnormal traffic and alert to risks in real time.
Network security.
Network security guards against malicious intrusion in addition to malicious insiders. Ensuring network security frequently requires trade-offs. By way of instance, access controls like additional logins may be required, but slow down productivity. Tools used to track network safety create a great deal of information -- so much that legitimate alarms are often overlooked. To help better handle network security monitoring, safety teams are using machine learning how to flag abnormal traffic and alert to risks in real time.
The business's move to the cloud generates new safety challenges. By way of instance, 2017 has seen nearly weekly information breaches from badly configured cloud cases. Cloud suppliers are creating new safety tools to help business users secure their information, however, the bottom line remains: Moving into the cloud isn't a panacea for performing due diligence in regards to cyber security.
Cloud security.
The business's move to the cloud generates new safety challenges. By way of instance, 2017 has seen nearly weekly information breaches from badly configured cloud cases. Cloud suppliers are creating new safety tools to help business users secure their information, however, the bottom line remains: Moving into the cloud isn't a panacea for performing due diligence in regards to cyber security.
Application security (AppSec), especially web application security, has become the weakest technical point of attack, but few organizations adequately mitigate all the OWASP Top Ten web vulnerabilities. AppSec begins with secure coding practices, and should be augmented by fuzzing and penetration testing. Rapid application development and deployment to the cloud has seen the advent of DevOps as a new discipline. DevOps teams typically prioritize business needs over security, a focus that will likely change given the proliferation of threats.
Application security.
Application security (AppSec), especially web application security, has become the weakest technical point of attack, but few organizations adequately mitigate all the OWASP Top Ten web vulnerabilities. AppSec begins with secure coding practices, and should be augmented by fuzzing and penetration testing. Rapid application development and deployment to the cloud has seen the advent of DevOps as a new discipline. DevOps teams typically prioritize business needs over security, a focus that will likely change given the proliferation of threats.
IoT describes a huge array of crucial and non-critical cyber physiological systems, such as appliances, sensors, printers and safety cameras. IoT devices often ship in an insecure condition and give little to no security, posing risks to not just their customers, but also to other people online, since these devices frequently find themselves part of a botnet. This presents special security challenges for the home users and society.
Internet of things (IoT) security.
IoT describes a huge array of crucial and non-critical cyber physiological systems, such as appliances, sensors, printers and safety cameras. IoT devices often ship in an insecure condition and give little to no security, posing risks to not just their customers, but also to other people online, since these devices frequently find themselves part of a botnet. This presents special security challenges for the home users and society.

Best SQL Server Optimization Tools to Help in Database Diagnostics

SQL stands for Structured Query Language, and it’s generally considered the standard language for relational database management systems. SQL is basically the database communicator, while SQL statements encompass what’s being communicated. Statements are used to execute tasks, like updating or retrieving data. Thankfully, the SQL language is simple and user-friendly, on account of the syntax ... Read more Best SQL Server Optimization Tools to Help in Database Diagnostics

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SQL stands for Structured Query Language, and it’s generally considered the standard language for relational database management systems. SQL is basically the database communicator, while SQL statements encompass what’s being communicated. Statements are used to execute tasks, like updating or retrieving data. Thankfully, the SQL language is simple and user-friendly, on account of the syntax ... Read more Best SQL Server Optimization Tools to Help in Database Diagnostics

The post Best SQL Server Optimization Tools to Help in Database Diagnostics appeared first on DNSstuff.

SQL stands for Structured Query Language, and it’s generally considered the standard language for relational database management systems. SQL is basically the database communicator, while SQL statements encompass what’s being communicated. Statements are used to execute tasks, like updating or retrieving data.

Thankfully, the SQL language is simple and user-friendly, on account of the syntax being familiar. This is one of the reasons SQL is used by so many popular relational database management systems, including Microsoft SQL Server, Access, Ingres, Oracle, and Sybase. The standard SQL commands (like Select, Update, Delete, Insert, Create, and Drop) can be used to execute almost any task, making SQL a versatile language.

Just because SQL is user-friendly doesn’t mean SQL Server optimization is easy. In fact, the approach varies significantly between databases, because the SQL command is subject to the unique functions associated with the database. Before I go into SQL Server optimization tools, I’ll run through the various ways SQL databases can be optimized.

  • SQL Server Database Optimization Strategies
  • When to Stop SQL Server Database Optimization
  • SQL Server Optimization Tools List

SQL Server Database Optimization Strategies

There are six main ways to conduct SQL Server optimization:

  1. Proper indexing.
  2. Eliminating correlated subqueries.
  3. Avoiding coding loops.
  4. Retrieving relevant data.
  5. Avoiding or using temporary tables.
  6. Using execution plans.

Proper Indexing

An index is essentially a data structure, which makes retrieving data much faster. A “unique index” divides data into columns that don’t overlap. Proper indexing requires balance: If you go overboard and index excessively, it’ll make the update and insert triggers pointless. If you don’t do enough indexing, or don’t index at all, then processing will be extremely slow.

Eliminating Correlated Subqueries

A correlated subquery, a type of SQL query, uses the values given to it by the parent query. Correlated subqueries run on a row-by-row basis, running once for every row returned by the outer/parent query. This negatively impacts SQL query performance, so you should avoid correlated subqueries wherever possible. To do so, use the INNER JOIN command, instead of the correlated subquery. Remember, however, correlated subqueries are sometimes necessary.

Avoiding Coding Loops

Avoiding coding loops is an important part of SQL Server database optimization, because coding loops slow down sequences. To keep from using coding loops, use the UPDATE or INSERT commands for individual roles. You’ll also need to ensure the WHERE command doesn’t update stored data, to prevent it from matching with existing data.

Retrieving Relevant Data

To make sure the data you’re retrieving is relevant, you need to be specific about the data you require. Instead of using the SELECT * command, try using * and LIMIT. The asterisk (*) command lets you specify data from columns, while the LIMIT command helps with retrieving data from a specific number of rows, instead of the entire bunch. This lets you fine-tune what you retrieve.

Specifying in this way is especially useful when you’re accessing data from a large source, and the process can save you time and resources. I recommend being sparing during your selections, as this can help prevent unnecessary system errors in the future. Moreover, by limiting the data you retrieve, you reduce the amount of SQL Server database optimization you need to do in the future.

Avoiding or Using Temporary Tables

Keep it simple. If code can be simplified, then you should always do so. Don’t complicate it unnecessarily with temporary tables. In certain situations, temporary tables are essential—for example, if you need to establish a specific procedure with multiple queries. But unnecessary temporary tables can be counterproductive to SQL Server database optimization.

Using Execution Plans

Execution plans are a key part of SQL Server optimization, because they contribute to the creation of proper indexes and graphically display the full range of ways data can be retrieved. These plans help in creating necessary indexes and are integral to the overall SQL Server optimization process. They essentially facilitate optimization, so they shouldn’t be overlooked.

These are just six of the many approaches to SQL Server database optimization. Optimization pathways should be combined to achieve optimal SQL Server performance. But staying on top of all these methods at once can be time-consuming and resource intensive. Having SQL Server optimization tools at your disposal will take the pressure off.

When to Stop SQL Server Database Optimization

This is an important question. The idea of “optimizing” can seem indefinite—after all, continuous improvement is a key part of any business model. If you wanted to, you could pursue SQL Server database optimization of individual queries forever. Knowing when to stop is key.

To achieve optimal performance of a query, you need to consider how much it costs, how much time is being spent on optimization, and whether it’s worth it. If you continue to optimize until the benefits of optimization no longer justify the cost, then you’ve gone too far.

The following checkpoints are useful to refer to in determining when to stop:

  1. The query now performs in a satisfactory way.
  2. The resources needed to continue to optimize are too expensive and unjustifiable.
  3. Further optimization would result in diminishing returns.
  4. A different solution has been discovered, rendering further optimization unnecessary.

Though knowing when to stop optimizing a query is important, big-picture SQL Server database optimization is limitless, because the database itself is constantly changing. Many SQL Server optimization tools handle the process for you, so you don’t have to spend valuable time and resources figuring out when to stop.

Best SQL Server Optimization Tools List

best SQL Server optimization tools

Now that you have a better idea of what SQL Server optimization is and how to do it, it’s time to look at my favorite SQL Server diagnostic tools. Of all the SQL Server diagnostic tools on the market, SolarWinds® Database Performance Analyzer ranks the highest. It is user friendly and feature rich, with advanced utilities.

  1. SolarWinds Database Performance Analyzer

Database Performance Analyzer SolarWinds

SolarWinds Database Performance Analyzer (DPA) covers SQL query analysis, tuning, and performance monitoring. It uses a methodology called response time analysis, which focuses on the time between a query request being issued and the corresponding response being received. By analyzing wait times and events, SolarWinds DPA makes the process of identifying bottlenecks much simpler. This is a unique approach to SQL Server query optimization, and as such sets DPA apart from its competitors.

DPA also boasts some fantastic troubleshooting utilities. Like all SolarWinds products, it includes an impressive and easy-to-use interface. Data is presented in a dynamic and graphic way, meaning data can be interpreted at a glance. You can view information on wait times, query advice, database instances, CPU, disk, memory, and sessions from within the dashboard. You can also drill down into the data to access more details, which keeps your dashboard from being cluttered with information.

DPA allows you to monitor and measure query and execution time and provides tuning advice. It’s an extremely dependable product and can be integrated with other SolarWinds tools, if you want to expand your solution. A 14-day free trial is available.

  1. EverSQL

eversql-slow-log-analyzer-dashboard

I’ve included EverSQL on this list because of its unusual approach to SQL Server optimization. This is an online tool, which comes with its benefits. You don’t have to download or install anything, for a start—all you need to use it is an internet connection. Still, while impressive, EverSQL can’t offer the same power and scalability of some other SQL Server diagnostic tools and may not be suited to business use.

EverSQL supports most paid, free, and even open-source database engines, including Oracle, MySQL, Microsoft SQL, Percona DB, and MariaDB. The tool couldn’t be simpler: once you’ve connected to the EverSQL website, just select the database type and version, then paste the SQL query code in. You can get indexing recommendations and apply advanced query transformations by uploading your database’s schema structure. You have the option of analyzing single queries or analyzing slow query logs.

EverSQL also provides other tools, including EverSQL Minifier for SQL statements, a query formatter, and a SQL query syntax check and validator. You can optimize three queries for free, if you want to try EverSQL before committing.

  1. Idera SQL Query Tuner

IDERA-Central-Dashboard

If you’re looking for SQL Server diagnostic tools designed to prioritize profiling and tuning queries, then SQL Query Tuner is a good option. This program is part of the Idera SQL Diagnostic Manager offering, a comprehensive solution to help you locate query bottlenecks via query capture, advanced filtering, and user-friendly data visualizations. All these intuitively designed features aim to make finding and resolving issues faster and simpler. With this tool, you can also expert intelligent alerts, which help you keep administrators up to date. Automatic email notifications go out when something is amiss, or system health is at risk.

My favorite thing about this tool is how you can view expert recommendations within the console, helping you deploy proven fixes, even for unusual problems. This sets it apart from most other SQL Server diagnostic tools. My only issue with it is the dashboard aesthetic could be improved upon, as it can seem basic in some places. SQL Query Tuner is an add-on for SQL Diagnostic Manager. A 14-day free trial is available.

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