I have two tables that I am trying to query from, Enrollment and Course开发者_开发知识库. In the course Table, there is just one entry for each course, but in the Enrollment table, there is an entry f
I need to get the average rating and the total number of ratings for a particular user and then select all single ratings (rating_value, rating_text, creator) as well:
Say I have a data.frame object: df <- data.frame(name=c(\'black\',\'black\',\'black\',\'red\',\'red\'),
Edited question based on response below: I have a list of strings in a text file. I want to count the occurrences of these strings in another text file.
I\'m starting to learn Python and I\'m trying to write a program that would import a text file, count the total number of words, count the number of words in a specific paragraph (said by each partici
Can you provide a very simple SQL example of how to create a \"count\" or \"order\" field that would auto-increment, but restart after every change in a different field? In the table below, the \"Orde
My db tables look like that First table: Second table - lastsrvc (Last service info). id column -uniques auto-incremented id for every issue. \'cid\' column - company\'s id. It\'s the link column
I\'d like to get the number of the friends o开发者_JAVA百科f a friend. Do you know if it\'s possible ?
I have a list of publications stored in publications table. Each publication has a many-to-many relation with categories and also a many-to-many relation with keywords.
The FB Like count on one of our pages was reset to zero after we temporarily took the page offline (we recently reinstated the page onto it\'s old URL).
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