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Difference between Hive internal tables and external tables?

...difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables. Can anyone explain me in terms of nodes please. ...
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What command opens Ruby's REPL?

What command opens Ruby's REPL? 2 Answers 2 ...
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How set the default repository

... Yeah, tonfa's right on both counts. You do it by editing a file and if you don't want to pop open an editor you could do it by shell redirect. There's no 'set' command. – Ry4an Brase Sep 27 '10 at 13:56 ...
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SQL: How to get the count of each distinct value in a column?

... SELECT category, COUNT(*) AS `num` FROM posts GROUP BY category share | improve this answer | follow | ...
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Android: how to hide ActionBar on certain activities

...e="android:windowActionBar">false</item> wouldn't that hide it on all screens? – Tomer Oct 23 '13 at 15:10 Up...
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What is the purpose of the implicit grant authorization type in OAuth 2?

...etween the user agent and the client: The user-agent is the software whereby the user ("resource owner") communicates with other parts of the system (authentication server and resource server). The client is the software which wants to access the resources of the user on the resource server. In t...
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How to return a part of an array in Ruby?

... Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for the array index method: --------------------------------------------------------------- Array#[] array[index] -> obj...
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How to do an INNER JOIN on multiple columns

...ct and I'm supposed to perform a database query which finds flights either by the city name or the airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table. ...
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Calendar returns wrong month [duplicate]

... As is clear by the many answers: the month starts with 0. Here's a tip: you should be using SimpleDateFormat to get the String-representation of the month: Calendar rightNow = Calendar.getInstance(); java.text.SimpleDateFormat df1 = n...
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Where is the syntax for TypeScript comments documented?

... The right syntax is now the one used by TSDoc. It will allow you to have your comments understood by Visual Studio Code or other documentation tools. A good overview of the syntax is available here and especially here. The precise spec should be "soon" written ...