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php Programming Glossary: a.idHow can an SQL query return data from multiple tables http://stackoverflow.com/questions/12475850/how-can-an-sql-query-return-data-from-multiple-tables so a simple way is to nickname the table like this select a.ID b.model from cars a join models b on a.model b.ID Now back to.. to be less typing lets use that in our query. select a.ID b.model from cars a join models b on a.model b.ID where b.ID.. manner to the original we can join a third table select a.ID b.model from cars a join models b on a.model b.ID join colors..
Finding free blocks of time in mysql and php? http://stackoverflow.com/questions/11262260/finding-free-blocks-of-time-in-mysql-and-php share improve this question Try this query SELECT a.id a.start_hour a.end_hour TIMEDIFF la.start_hour a.end_hour as.. FROM appointment LIMIT 1 18446744073709551615 AS la ON la.id a.id 1 LEFT JOIN SELECT FROM appointment AS ra ON a.id ra.id.. appointment LIMIT 1 18446744073709551615 AS la ON la.id a.id 1 LEFT JOIN SELECT FROM appointment AS ra ON a.id ra.id This..
How can an SQL query return data from multiple tables http://stackoverflow.com/questions/12475850/how-can-an-sql-query-return-data-from-multiple-tables is yes you absolutely can. select b.brand c.color count a.id as countOfBrand from cars a right outer join brands b on b.ID..
How do I construct a cross database query in PHP? http://stackoverflow.com/questions/1999235/how-do-i-construct-a-cross-database-query-in-php a `another_db`.`table_on_another_db` b WHERE a.id b.fk_id If your databases run on a different host you won't..
SQL: GROUP BY records and then get last record from each group? [duplicate] http://stackoverflow.com/questions/3449757/sql-group-by-records-and-then-get-last-record-from-each-group AND NOT EXISTS select 1 from test where name a.name and id a.id and attendence 1 GROUP BY name Might not even need the group..
Search matrix for all rectangles of given dimensions (select blocks of seats) http://stackoverflow.com/questions/6945105/search-matrix-for-all-rectangles-of-given-dimensions-select-blocks-of-seats AS start_seat a.seat 4 1 AS end_seat 4 AS requested_seats a.id AS start_allocation_id FROM seats a LEFT JOIN seats b ON a.event_id..
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