mysql - Join between tables in two different databases? - Stack …
Apr 18, 2011 · In MySQL, I have two different databases -- let's call them A and B. Is it possible to perform a join between a table that is in database A, to a table that is in database B?
How to join two tables mysql? - Stack Overflow
I have two tables: services id client service and clients id name email How to list table service and bring together the customer name that the customers table? field customer services in the...
sql - Delete with Join in MySQL - Stack Overflow
Mar 17, 2009 · MySQL DELETE records with JOIN You generally use INNER JOIN in the SELECT statement to select records from a table that have corresponding records in other …
MySQL JOIN ON vs USING? - Stack Overflow
In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column …
MySQL how to join tables on two fields - Stack Overflow
Dec 8, 2013 · I have two tables with date and id fields. I want to join on both fields. I tried JOIN t2 ON CONCAT(t1.id, t1.date)=CONCAT(t2.id, t2.date) that works, but it is very slow. is there a …
Joining three tables using MySQL - Stack Overflow
Sep 14, 2010 · 1 join query with three tables and we want two values from the same column we set the alias name for every table in the joins. Same table name also declare as a different …
MySQL join with where clause - Stack Overflow
165 I have two tables I want to join. I want all of the categories in the categories table and also all of the categories subscribed to by a user in the category_subscriptions table. essentially this is …
MySQL joins and COUNT(*) from another table - Stack Overflow
Jan 31, 2011 · 2 Maybe I am off the mark here and not understanding the OP but why are you joining tables? If you have a table with members and this table has a column named …
Select from multiple tables without a join? - Stack Overflow
What is the easiest way to select data from two tables and rather than join them, have them appear as separate rows. Both tables have similar or matching fields and I want to run some …
mysql - how to use a like with a join in sql? - Stack Overflow
The cardinality between the tables can create differences between Joins and Where clauses. For example, using a Like condition in an Outer Join will keep all records in the first table listed in …