Count records from two tables with foreign keys – Mysql
Suppose I have these MySql tables: TABLE_PEOPLE id name 1 John 2 Albert 3 Joanna 4 Mike 5 Norton TABLE_COLOR id people_id colors 1 1 Green 2 1 Red 3 3 Yellow 4 3 Blue 5 2 Green 6 4…
Why the count alias column is not returned as part of ActiveRecord_Relation? – Postgresql
I have two tables. StudentGroup and StudentGroupsMembers. StudentGroup.id = StudentGroupMembers.group_id is the foreign key relation. sg = StudentGroup.joins(:student_group_members).select(" student_groups.id, student_groups.name, count(student_group_members.id) as cnt ").group('student_group_members.group_id, student_groups.name, student_groups.id').where(id: [3,4,5,6,6,7,7,8,8]).where("student_group_members.member_type='ra'") This return ActiveRecord_Relation [#<StudentGroup:0x00007fc11253d088 id: 3, name: "Blah">, #<StudentGroup:0x00007fc11253cc78 id: 4, name: "Foo">,…
jQuery – return the most repeated content text by a list of elements with certain class
I need to get the most used content text of elements within a certain class. In my case the most recurrent phrase of elements: Service number 1 <div class="service_list"> <span>Service number 1</span> <span>Service number 2</span> </div> <div class="service_list"> <span>Service number…
jQuery – return the most repeated content text by a list of elements with certain class
I need to get the most used content text of elements within a certain class. In my case the most recurrent phrase of elements: Service number 1 <div class="service_list"> <span>Service number 1</span> <span>Service number 2</span> </div> <div class="service_list"> <span>Service number…
How to count values within a range in my MySQL table
Hello i im trying to count the values within each range e.g. between 115000 - 120000 in my DURATION_IN_MS column. my column looks like this: 119631 120689 143498 119798 WITH tab1 AS( SELECT TOP 30 * FROM MACHINE_PROCESSING_DURATION_EVALUATION WHERE START_TIMESTAMP…
which MySQL function can be use to have the count of Orders and shipments with respect to Month?
I have Data which indicates month of Order date and month of Shipment date. I want to convert the records which will show, in each month, what is the count of orders and in same month what is the count…
How to count total results with ajax? – Laravel
Have a problem with total count of ajax searche's results. There is a mistake "Method IlluminateDatabaseEloquentCollection::total does not exist." if I use directive for example <div class="searched-item"> <a href="#" class="searched-item-res1">{{ __('main.res_found') }} {{$sfilms->total()}} {{ __('main.res_results') }}</a> </div> How to fix…
Postgresql – Postgres 14 delete with count in where clause
I wanted to delete all records except the one with the highest value so I did CREATE TABLE code ( id SERIAL, name VARCHAR(255) NOT NULL , value int NOT NULL ); INSERT INTO code (name,value) VALUES ('name',1); INSERT INTO…
Mysql – combine a JOIN with the COUNT function and also distinguish between likes and dislikes
I have two tables with one referencing the other. CREATE TABLE blogs ( article LONGTEXT, id VARCHAR(255) PRIMARY KEY ); CREATE TABLE blog_eval ( blog_id VARCHAR(255) REFERENCES blogs(id) ON DELETE CASCADE, user_id VARCHAR(255) REFERENCES users(id), is_like BOOLEAN, --true if like…
MySQL – Join 2 tables and count number of entries
I'm trying to join 2 tables and count the number of entries for unique variables in one of the columns. In this case I'm trying to join 2 tables - patients and trials (patients has a FK to trials) and…