- What are the disadvantages of PHP?
- What are the advantages and disadvantages of remote sensing?
- Why mobile phone is a curse?
- Does MySQL scale well?
- What are the two disadvantages of remote database?
- What are the drawbacks of PHP?
- What is the drawback of using passive sensors?
- Do smartphones improve our lives?
- What are the disadvantages of a smartphone?
- Why DB links are a bad idea?
- Do we really need cell phones?
- Is Postgres better than MySQL?
- What are the advantages disadvantages of MySQL and PHP?
- How many rows in MySQL is too much?
- What are the limitations of MySQL?
What are the disadvantages of PHP?
DisadvantagesSecurity: Since it is open sourced, all people can see the source code.
Not suitable of large applications: It will be difficult to use it for programming huge applications.
Weak type: Implicit conversion may surprise unwary programmers and lead to unexpected bugs.More items….
What are the advantages and disadvantages of remote sensing?
Disadvantages of remote sensing:Remote sensing is a fairly expensive method of analysis especially when measuring or analyzing smaller areas.Remote sensing requires a special kind of training to analyze the images. … It is expensive to analyze repetitive photographs if there is need to analyze different aspects of the photography features.More items…•
Why mobile phone is a curse?
One researcher found that the mere presence of a phone in a work place tends to make people more anxious and perform poorly on given tasks. The heavier a people phone use, the greater the anxiety they experienced. Increasing stress. Using a smartphone for work often means work bleeds into your home and personal life.
Does MySQL scale well?
MySQL can scale, but if you don’t configure it correctly then it will fail miserably when the tables get too large. PostgreSQL scales better out of the box, but either does fine if configured correctly. It looks like your application is bigger than you are used to, but really isn’t “that” big.
What are the two disadvantages of remote database?
Your files may be lost forever. One disadvantage of storing your files remotely is the transfer speed. Remote data backup may take a while depending on the speed of your transmission devices. A high speed LAN could transmit fast, but others could be problematic, because of upload issues and firewalls.
What are the drawbacks of PHP?
Disadvantages of PHPIt is not that secure because of its open-source, as the source code can be easily available.It is not suitable for large content-based web applications.It has a weak type, which may lead to incorrect data and information to the user.More items…
What is the drawback of using passive sensors?
Both types of sensors have benefits and drawbacks. Passive sensor technologies can’t be detected by observed parties as they only sense what is in the environment rather than relying on a transmitter whose activity might be detected with equipment.
Do smartphones improve our lives?
They’re changing our brains Researchers have found that smartphones are such game-changers that they’re actually changing the way our brains work. Constant access to databases and search engines have changed the way our memory works. Instead of remembering information, we now remember how to find that information.
What are the disadvantages of a smartphone?
9 Disadvantages of Smartphones in HealthcareNot everyone has a smartphone. … Smartphones don’t age well. … Smartphones are expensive. … Apps often require Internet access. … Apps aren’t always available for all smartphones. … A lot of healthcare apps aren’t good. … Patients have reservations with mHealth. … Data privacy and security is a significant concern.More items…•
Why DB links are a bad idea?
1.) You have more than one database and you are communicating among them. Network is an apparent overhead. Your local queries or local plsql calls are faster than remote calls. One sample, let’s say you have two separate tables on each database and creating a join without proper hints, response may be terrible.
Do we really need cell phones?
Cell phones have become a necessity for many people throughout the world. … Cell phones are the perfect way to stay connected with others and provide the user with a sense of security. In the event of emergency, having a cell phone can allow help to reach you quickly and could possibly save lives.
Is Postgres better than MySQL?
Database Performance In the past, Postgres performance was more balanced – reads were generally slower than MySQL, but it was capable of writing large amounts of data more efficiently, and it handled concurrency better. The performance differences between MySQL and Postgres have been largely erased in recent versions.
What are the advantages disadvantages of MySQL and PHP?
What are advantages and disadvantages of PHP & MySQL?However, the PHP framework Training has both advantages and disadvantages: Advantages: … The database is an essential point:Make use of the wire-frame prior to coding:Disadvantages:MySQL – Advantages and Disadvantages. … Advantages:It’s Simple To Use. … Quick Support Is Always Available whenever required.More items…
How many rows in MySQL is too much?
The maximum row size for a given table is determined by several factors: The internal representation of a MySQL table has a maximum row size limit of 65,535 bytes, even if the storage engine is capable of supporting larger rows.
What are the limitations of MySQL?
5 Limitations of MySQL with Big DataDelivering Hot Data. In large applications, the data cache stored in RAM can grow very large and be subjected to thousands or even millions of requests per second. … Dealing with Highly Volatile Data. … Avoid MySQL Scalability Limitations. … Providing Analytics. … Powering Full Text Searches at Scale.