I want to display the number of purchases each customer has made. If they've made 0 purchases, I want to display 0.
So in a simple table like this one, how could I select the title which has the highest value?Like in this case title3 has the highest value, so I'd like to select title3 with a SQL code, but I don't know how to
Why the following query:returns all rows from myTable except one which has id=1?myTable content:Now run: SELECT * FROM myTable WHERE id=1=0
I have a table which has 3 fields, I want to rank column based on user_id and game_id.Here is SQL Fiddle : http://sqlfiddle.com/#!9/883e9d/1
I have a table which has 3 fields, I want rank column based on user_id and game_id.Here is SQL Fiddle : http://sqlfiddle.com/#!9/883e9d/1
I have two tables, A and BA ( id, name ) B ( a_id, key, value )table with some valuesNow what i am trying to achieve is a follow, with single query, inner join, cross join, etc.
I have a database with two tables - companies and reports. I want to calculate the change from q1 (quarter 1) to q2 (quarter 2). I have tried to use the (following) sub-query, but then the main query fails...
I have a database table which has correlation with 2 different tables, for example:the main table i want to select is the inventory table, the inventory table is connected to the other table through code column, for electricity table there is a el_pr_ prefix followed by the id of the...
I have an SQL query that looks as follows:This query returns the follow error message:Unknown column 'users.language_preferred_id' in 'on clause'
I have a dataset that look like:Expected output:I want to extract only those IDSs from Col1 which have both values ABC and DEF in the column.