Back to top Observing Table Information The easiest way to get information about a table is with the DESCRIBE command: DESCRIBE tablename Back to top Altering Tables To alter a table use the alter table command: alter table tablename add( columnname datatype, ...); alter table tablename modify ( column newdatatype); alter table drop column columnname; Back to top Deleting Tables To delete a table
Table of ContentsIntroduction1. Why this guide?2. Who should read this book?3. New versions, translations and availability4. Revision History5. Contributions6. Feedback7. Copyright information8. What do you need?9. Conventions used in this document10. Organization of this document1. Bash and Bash scripts1.1. Common shell programs1.2. Advantages of the Bourne Again SHell1.3. Executing commands1.4.
Think of Tumblr as micro-blogging on steroids (technically, it’s called “tumblelogging”). Whereas Twitter and similar services limit posts to 140 characters or less, Tumblr lets you post updates of any length, although it’s best suited to short-format posts. Tumblr bridges the gap between full-blown blog and micro-blog. Tumblr is also an option for designers and creative people, because it gives y
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Below are five steps for new users to take in order to make the Twitter experience more enjoyable from the beginning. New users have both third party services and built-in tools at their disposal to make Twitter work for them, and this post highlights some of the best. STEP ONE: Find People You Already Know I joined Twitter later than most early adopters, but once I finally became a Twitter newbie
Update: Mashable's shiny new Twitter account is here. If you subscribe, I promise to post regular updates about my cat. So blogging has evolved once more, and the talk of the town - or at least the talk of Austin, Texas during the SXSW Conference - is Twitter, that increasingly popular text messaging/blogging service from the makers of Odeo. It's so popular, in fact, that Twitter has suffered some
Use Activity Monitor to read system memory and determine how much RAM is being used (OS X Mountain Lion and earlier) Learn how to use Activity Monitor to read system memory and determine how much RAM is being used. Refer to this article if you're using OS X v10.8 Mountain Lion or earlier. If you're using OS X v10.9 Mavericks or later, refer instead to How to use Activity Monitor. OS X has very eff
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