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  Understanding database, instance and schema in Oracle database

Oracle database is the most popular database system among enterprises. To start working on Oracle database, some concepts must be understood first. They include database, instance, schema and user etc. And among these concepts, some have different meanings from those in other database systems such as MS SQL, MySQL, DB2. On the web, there are already some good posts which explain different concepts such as Ask Tom's database vs instances, Difference between database vs user vs schema. In this pos...

   DIFFERENCE,DATABASE,ORACLE DATABASE,INSTANCE,SCHEMA,USER     2016-12-14 23:30:56

  4 Often-Forgotten Elements of Starting a Small Business

Starting a new business can be an unnerving experience, however, it can be equally rewarding at the same time. The road from idea to launch can be long but when you finally open your doors for business, it will be worth every step of the journey. There is a lot to consider to get to that point. From paperwork to practicalities, it is easy for some of the seemingly minor elements of starting a business to slip through the cracks.  To ensure your business gets off to the best start possible,...

   BUSINESS,AUSTRALIA     2021-05-15 04:13:19

  Emotion analysis on Twitter for past 5 years

Emotion analysis is a new research direction in computer science in these years, what it does is expressing emotions and feelings of people with data. The means to do emotion analysis include natural language processing, statistical and signal processing. The platforms which are most suitable for emotion analysis are also microblogging like social networking platform, Twitter is one good example.Computing Laboratory of the University of Vermont project Hedonometer conducted emotion analysis for...

   Emotion analysisTwitter,Hedonometer,happiness     2013-05-08 06:17:25

  Google has done more for the world with ngrams

Data is valuable asset for a company in the Internet world. With data of users, a company can gain lots of benefits. They can push specified ads to users by analyzing user behaviors, they can even sell the data to third parties. Data is very important for a company's success, so some companies will keep their data secret in order to gain advantages over competitors. However, Google seems do it in another way. Google shared their ngrams text corpus publicly, which basically contains valuable info...

   Ngram,NLP,Data     2013-12-12 07:56:02

  Top 3 Cybersecurity Trends to Watch Out for Today

One trend in cybersecurity that never changes is that it’s getting more important with every passing year. According to statistics, the number of cyberattacks and severity of the losses they incur are growing at an alarming rate. Every day about 24,000 of malicious mobile apps get blocked yet more pop up overnight. For a business today cybersecurity isn’t an option, it’s a necessary measure one needs to invest in heavily. And it’s essential to follow the trends and develo...

   SECURITY,CYBER SECURITY     2019-05-14 09:03:24

  Yahoo is going to recycle inactive user IDs

According to Sina Tech, Yahoo announced that it would provide users with shorter, more lovely and more memorable Yahoo IDs starting from July 15. For IDs like emily@yahoo.com, if they are in inactive status in the past 12 months, then other users will be able to get this ID. Yahoo plans to reset Yahoo ID system to help users get the ID they want in mid of July. By mid-August, users who apply for a Yahoo user ID will be informed what kind of ID they get.This means that users can apply multiple ID...

   Yahoo,ID recycle     2013-06-12 21:22:15

  Change password of postgres account in Postgres

When installing Postgres on Windows, there is some default account created for user to login. One of them is postgres, but we often don;t know what's the password for this account when we first login using this account. We need to change the password for this account. How to change it? Step 1. Modify the pg_hba.conffile Go to the /data/ and open the pg_hba.conf. # TYPE  DATABASE        USER            ...

   Postgres,password, user account     2013-03-04 01:51:02

  Web Vs. Native: Which Is the Better Type of Mobile App?

An average US adult spends 3 hours and 15 minutes on their smartphone every day. This means that launching an app of your own is a great business opportunity. However, you need to decide whether you want to develop a native or a web app. The difference boils down to the fact that web apps run through a mobile browser and native apps are full-fledged programs. Each option has its pros and cons and can be successful under some circumstances. To make the right decision, you need to understand ...

   MOBILE,WEB APP,NATIVE APP     2018-03-26 06:35:27

  Google+ doesn't support Firefox 23?

Mozilla just released a new version of Firefox--Firefox 23, but after upgrading to the new version. We cannot login to Google+ anymore, instead it will show a page which says "Your browser is no longer supported" and it gives some choices to download new web browsers. It also allows to download Firefox. But the thing is we have updated to the latest version. Also when clicking on the "Download Firefox" link, it is redirected to the download Firefox for Android page, is it weird? Is this becaus...

   Firefox 23,Google+     2013-08-10 21:46:27

  Twitter user database is hacked

According to Sina Tech, One hacker from Islamic Republic of Mauritania claimed today that he had acquired Twitter's entire user database and he shared over 15000 user account information on file sharing website Zippyshare.These information include the name of each account on Twitter, username and access tokens of third-party applications which have access to their Twitter accounts(such as Instagram or HootSuite).Twitter has yet to comment on the matter, but the company sent messages urging ...

   Twitter,Hacker,Access token     2013-08-20 10:49:44

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