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#Postgresql command line mac how to#
Learning SQLĪ common question is how to learn SQL. SELECT count(a.field1), a.field2, SUM(b.field4) FROM a INNER JOIN b ON a.key1 = b.key1 WHERE a.field8 = 'test' GROUP by a.field1, a.field2 HAVING SUM(b.field4) > 5 ORDER by a.field.3įor those with SQL questions we recommend using SQLFiddle to provide a useful development and testing environment for those who wish to fully understand your problem and help devise a solution. Something as simple as line breaks and using reddit's built in code formatting (4 spaces at the start of each line) can turn this: This will greatly increase your chances of receiving the help you desire. If you are including actual code in a post or comment, please attempt to format it in a way that is readable for other users. (when you see postgres- at the beginning of each line, it means that you are still editing. We will gladly help where we can as long as you post the work you have already done or show that you have attempted to figure it out on your own. Please make sure to add at the end of most command lines, to indicate the completion of your commands. If you are a student or just looking for help on your code please do not just post your questions and expect the community to do all the work for you. This page is a partial list of interactive SQL clients (GUI or otherwise) - that doesn't include reporting engines, ETL data loaders, or visual design tools, just interactive clients that you can type SQL in to and get results from them. While naturally we should endeavor to work as platform neutrally as possible many questions and answers require tailoring to the feature set of a specific platform. When requesting help or asking questions please prefix your title with the SQL variant/platform you are using within square brackets like so: The goal of /r/SQL is to provide a place for interesting and informative SQL content and discussions.
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