left-join

MySQL Select and IF() Statement

[亡魂溺海] 提交于 2020-12-27 07:21:20
问题 I'm kind of new to MySQL and I need help. I have a table Invoices and a table Payments . I am having trouble generating a report that will show all invoices that were paid in In Full or a Partial Payment was received by 12/31/2019. One Invoice can be paid by one or more payments (For example a partial payment, such as 25% down, and the remainder payment on completion of work). How can I create SQL query that will select ALL records from Invoices and then for each Invoice select matching

MySQL Select and IF() Statement

橙三吉。 提交于 2020-12-27 07:20:44
问题 I'm kind of new to MySQL and I need help. I have a table Invoices and a table Payments . I am having trouble generating a report that will show all invoices that were paid in In Full or a Partial Payment was received by 12/31/2019. One Invoice can be paid by one or more payments (For example a partial payment, such as 25% down, and the remainder payment on completion of work). How can I create SQL query that will select ALL records from Invoices and then for each Invoice select matching

MySQL aggregate functions with LEFT JOIN

泄露秘密 提交于 2020-12-08 07:24:17
问题 It's Friday afternoon * and my brain has stopped working. Normally it is me who's answering dumb SQL questions like this, sorry! I am trying to get one table, along with the highest value of a column of another table by LEFT JOINing the latter to the former. SELECT jobs.*, MAX(notes.`timestamp`) AS complete_date FROM jobs LEFT JOIN notes ON (jobs.id=notes.job_id) WHERE (jobs.status="complete" OR jobs.status="closed") AND (notes.type="complete" OR notes.type IS NULL) GROUP BY jobs.id ORDER BY

fuzzyjoin with dates in R

浪尽此生 提交于 2020-11-29 09:51:11
问题 I am working on a project where I am analyzing individual-level survey data within countries based on outcomes of sports matches across countries and I am not sure what the most efficient way to produce the merge that I want is. I am working on two separate datasets. One contains individual-level data nested within countries. The data might look something like this: country <- c(rep("Country A", 4), rep("Country B", 6)) date <- c("2000-01-01", "2000-01-02", "2000-01-03", "2000-01-04", rep(

fuzzyjoin with dates in R

自闭症网瘾萝莉.ら 提交于 2020-11-29 09:49:45
问题 I am working on a project where I am analyzing individual-level survey data within countries based on outcomes of sports matches across countries and I am not sure what the most efficient way to produce the merge that I want is. I am working on two separate datasets. One contains individual-level data nested within countries. The data might look something like this: country <- c(rep("Country A", 4), rep("Country B", 6)) date <- c("2000-01-01", "2000-01-02", "2000-01-03", "2000-01-04", rep(