How to write Join Query for two tables without foreign key in Yii2?
Let’s learn how to write Join Query for two tables without foreign key in Yii2. The most accurate or helpful solution is served by Stack Overflow.
There are ten answers to this question.
Best solution
I have two tables which i want to join... i.e. camps & cities. I have write the query in PHP for this... but I want same query in Yii2 format... Please tell me how can i write this query in yii2...?? Here is my query : SELECT DISTINCT camps.city_id, camps.state_id, cities.city_name from camps LEFT JOIN cities ON cities.state_id = camps.state_id WHERE camps.state_id = 5 AND camps.status = '1' ORDER BY cities.city_name ASC
Answer:
The equivalent with ActiveQuery can be like this: Camp::find() ->select(['city_id', 'state_id',...
Santosh Gaikwad at Stack Overflow Mark as irrelevant Undo
Other solutions
Why would one use the following query: select a.item, b.item from a,b where a.id = b.id Instead of: select a.item, b.item from a join b on a.id = b.id
Answer:
The two queries as presented are identical. The latter syntax has the ability to be extended to other...
Amrith Kumar at Quora Mark as irrelevant Undo
I already know how to join two tables or even three, but my situation is a little different....I have a table of mobile homes for sale....I have a second table of the parks those homes are in. I have a third table of bank repossesions that exist in mobile...
Answer:
Hi, Here I am assuming that table PARK with mobile homes is related to table MOBILEHOME. So I have joined...
BA at Yahoo! Answers Mark as irrelevant Undo
This is the below Table2 data which I am getting back from this query as suggesred by Robert Morton. select user_id, prod_and_ts.product_id as product_id, prod_and_ts.timestamps as timestamps from testingtable2 LATERAL VIEW explode(purchased_item) exploded...
Answer:
I believe UNION ALL is the supported syntax. Also, some implementations of hive require union all's...
Michael Bailey at Quora Mark as irrelevant Undo
wiki.answers.com Mark as irrelevant Undo
I am using an INNER JOIN to return a table with two joined tables. The problem is that both tables have the identical field name called "id". How do I write a query that will return table1.id as id1 and table2.id as id2 and the rest of the...
Answer:
Well, you could try something like the following: select table1.*, table2.*, table1.id as id1, table...
MK at Yahoo! Answers Mark as irrelevant Undo
Is it possible to write a query over two different database connections (both are oracle databases - they have different sign on credentials etc) I'm trying to join sales data on a server in the UK to product data on a server in France. Can I do this...
Answer:
This would be dependent on your programming language - typically you create a connection object or something...
Leon S at Yahoo! Answers Mark as irrelevant Undo
CREATE EXTERNAL TABLE IF NOT EXISTS Table1 (This is the MAIN table through which comparisons need to be made) ( BUYER_ID BIGINT, ITEM_ID BIGINT, CREATED_TIME STRING ) And this is the data in the above first table **BUYER_ID...
Answer:
There are a couple of challenges to this question so I'll break them up individually. The end goal will...
Robert Morton at Quora Mark as irrelevant Undo
We're starting to keep different tables in different clusters as our database size grows. As a result, simple queries that joined two tables are no longer simple -- I've been getting the results from one table, and using that result to construct the...
Answer:
The short answer is, unfortunately, no. Welcome to the miserable world of scaling. The database is going...
Rick Branson at Quora Mark as irrelevant Undo
I have a Hadoop cluster and I use Hive for querying. I have two large tables, which are bucketed and sorted on the join key. So, I think using "sort merge bucket map join" would be helpful. I set the required flags and then run the query...
Answer:
It's tough to say without taking a look at the explain plan and/or the mapreduce job's job.xml because...
Mark Grover at Quora Mark as irrelevant Undo
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