SQL to Hive Cheat Sheet
International: 1.408.916.4121 www.hortonworks.com Twitter: twitter.com/hortonworks Facebook:facebook.com/hortonworks We Do Hadoop Contents Cheat Sheet Hive for SQL Users 1 Additional Resources 2 Query, Metadata 3 Current SQL Compatibility, Command Line, Hive Shell If you’re already a SQL user then working with Hadoop may be a little easier than you think, thanks to Apache Hive. Apache Hive is data
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Shantanu's Blog: Redshift Tips
# List all tables: select db_id, id, name, sum(rows) as mysum from stv_tbl_perm where db_id = 100546 group by db_id, id, name order by mysum desc; # list all running processes: select pid, query from stv_recents where status = 'Running'; # describe table select * from PG_TABLE_DEF where tablename='audit_trail'; select * from pg_tables where schemaname = 'public' # Disk space used: select sum(used-
Amazon Redshiftã§è‰¯ã使ã„ãã†ãªä¾¿åˆ©ç³»SQLã‚’ã¾ã¨ã‚ã¦ã¿ãŸ | DevelopersIO
Redshiftã§è‰²ã€…環境構築や調査を進ã‚ã¦è¡Œãã¨ã€å‰²ã¨ã¡ã‚‡ã„ã¡ã‚‡ã„良ã使ã†SQLç‰ã‚‚出ã¦æ¥ã¾ã™ã€‚ãã“ã§ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯ã€æ™®æ®µä½¿ã£ã¦ã„る便利系SQLã€éƒ½åº¦ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ã¯ã‚³ãƒ”ペã—ã¦ä½¿ã£ã¦ã‚‹ã‚ˆã†ãªSQLã€æ›´ã«ã¯ãれらã«ã¡ã‚‡ã£ã¨ä¸€æ‰‹é–“åŠ ãˆãŸSQLç‰ã‚’集約ã—一覧ã¨ã—ã¦ã¿ã‚‹äº‹ã«ã—ã¾ã—ãŸã€‚ å¿…é ˆãªã‚‚ã®ã€ã¾ãŸã€Žã“れも使ãˆã‚‹ãã€ã¨ã„ã†ã‚ˆã†ãªã‚‚ã®ã«ã¤ã„ã¦ã¯é©å®œè¿½åŠ æ›´æ–°ã‚’è¡Œã£ã¦ã„ã“ã†ã¨æ€ã£ã¦ã¾ã™ã®ã§ã€ã‚ªã‚¹ã‚¹ãƒ¡ã®SQLæ–‡ãŒã‚ã‚Œã°æ˜¯éžæ•™ãˆã¦é ‚ã‘ã‚‹ã¨å¹¸ã„ã§ã™ã€‚ 目次 S3ã‹ã‚‰ã®COPY処ç†ã‚¨ãƒ©ãƒ¼ã«é–¢ã™ã‚‹ãƒã‚°ã‚’確èªã™ã‚‹ COPY処ç†æ™‚ã«å‡ºåŠ›ã•ã›ã‚‹ã‚¨ãƒ©ãƒ¼ä»¶æ•°é‡ã‚’制御ã™ã‚‹ 指定テーブルã®ãƒ†ãƒ¼ãƒ–ル定義を確èªã™ã‚‹(type1:psqlコマンドã§ç°¡æ˜“表示) 指定テーブルã®ãƒ†ãƒ¼ãƒ–ル定義を確èªã™ã‚‹(type2:distkey,sortkeyç‰ã‚‚表示) 指定テーブルã®ãƒ†ãƒ¼ãƒ–ル定義を確èªã™ã‚‹(type3:コメント文も併ã›ã¦è¡¨ç¤º) テー
3.6.1. Restructured Text (reST) and Sphinx CheatSheet — openalea.doc v0.8.0 documentation
See also This documentation is based based upon documentation found in: Sphinx Docutils Note Sphinx code is written in reST. Nonetheless, sphinx adds many additional directives on top of the reST syntax. Therefore sphinx code may not be fully compatible with reST. 3.6.2.1. Introduction¶ reStructuredText is an easy-to-read, what-you-see-is-what-you-get plaintext markup syntax and parser system. It
Machine Learning Cheat Sheet (for scikit-learn)
As you hopefully have heard, we at scikit-learn are doing a user survey (which is still open by the way). One of the requests there was to provide some sort of flow chart on how to do machine learning. As this is clearly impossible, I went to work straight away. This is the result: [edit2] clarification: With ensemble classifiers and ensemble regressors I mean random forests, extremely randomized
Vim NERDTree Cheat Sheet
Cheatography https://cheatography.com Download This Cheat Sheet (PDF) 2 CommentsRating: () Home > Software > Vim Cheat Sheets Vim NERDTree Cheat Sheet by StepK NERD tree (4.2.0) quickhelp Files o: open in prev window go: preview t: open in new tab T: open in new tab silently i: open split gi: preview split s: open vsplit gs: preview vsplit DirectÂories o: open & close O: recursÂively open x: close
UNIXコマンドã®ãƒãƒ¼ãƒˆã‚·ãƒ¼ãƒˆ(cheat コマンド) - /var/log/jsoizo
GitHubã®Trend眺ã‚ã¦ãŸã‚‰è¦‹ã¤ã‘ãŸã€‚ https://github.com/chrisallenlane/cheat cheat COMMAND ã§ç°¡å˜ãªãƒãƒ¼ãƒˆã‚·ãƒ¼ãƒˆãŒè¦‹ã‚Œã‚‹ã€‚ ã‚ã–ã‚ã–ã‚°ã‚°ã£ã¦ã€ç´«ã«ãªã£ã¦ã‚‹ITProã¸ã®ãƒªãƒ³ã‚¯ã¨ã‹ã«é£›ã¶å¿…è¦ãŒãªããªã£ãŸã€‚ 1. インストール方法 基本的ã«ã¯readme.mdã«æ›¸ã„ã¦ã‚る通り〠sudo python setup.py install ã‹ mkdir -p ~/bin cp cheat ~/bin mkdir ~/.cheat cp cheatsheets/* ~/.cheat ã§ãŠï½‹ 2. 使ã„æ–¹ cheat COMMAND サンプル [22:45:38,~/.cheat ]$ cheat sed To replace all occurrences of "day" with "night" and write to stdou
Graphical vi-vim Cheat Sheet and Tutorial
Graphical vi-vim Cheat Sheet and Tutorial Learning vi or vim is not easy. But it doesn't have to be that difficult, either. It is, in any case, faster, more powerful, and more productive than editing with any other editor, so you would do very well in investing the time and effort to learn it. Being a vi lover myself, I came up with the idea of providing a graphical cheat sheet for those learning
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Latest Insights on Data and AI | Cloudera Blog
rst-cheatsheet/rst-cheatsheet.rst at master · ralsina/rst-cheatsheet
GitHub - wsargent/docker-cheat-sheet: Docker Cheat Sheet
Probability Cheatsheet
GitHub - databricks/spark-knowledgebase: Spark Knowledge Base
React Tips
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GitHub - chrisallenlane/cheat: cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to rememb
Latest Insights on Data and AI | Cloudera Blog
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