Want to improve this post? Provide detailed answers to this question, including citations and an explanation of why your answer is correct. Answers without enough detail may be edited or deleted.
I\'m trying to query my database in the following fashion: Find the name, major and age of the youngest student who is either a Math major or is enrolled in a course taught by a professor that belong
// Edit: All work fin开发者_开发问答e with: SELECT u.*, l.cod AS loans_cod, l.step AS loans_step FROM users AS u
I have a table that looks like this: col1col2col3 ------ ----- ----- A1trout A2trout B1bass C1carp C2tuna D1salmon
So I\'ve been running through all the questions under the greatest-n-per-group tag, and either I don\'t understand what I\'m reading, or nothing has fit my needs so far.This link has alsoprovided a lo
I have 2 tables - 1 with parent records, 1 with child records.For each parent record, I\'m trying to return a single child record with the MAX(SalesPriceEach).
I have two tables. Order Replication. A single order record can have multiple Replication records. I want to join these two tables, such that i always retrieve a single record out of the join even
Seemingly simple MySQL question, but I\'ve never had to do this before.. I have two tables, items and prices, with a one-to-many relationship.
I have a sample table like this: CREATE TABLE #TEMP(Category VARCHAR(100), Name VARCHAR(100)) INSERT INTO #TEMP VALUES(\'A\', \'John\')
The SQL MAX aggregate function will allow you to select the开发者_运维知识库 top element in a group. Is there a way to select the top n elements for each group?