First, I do not really know which is the default OUTER JOIN in T-SQL (I’d bet FULL), but in any case, I think it is unclear – it is best to use LEFT, RIGHT, OR FULL JOIN explicitly when you need one. JOIN joins tables. Already existent ones or subqueries. APPLY applies (duh) a table-valued … Read more
Replace the prefixes you want to remove, then find the index of the first and second underscores and then find the substring between those two separators: Oracle Setup: CREATE TABLE your_table ( value ) AS SELECT ‘DUM_EI_AO_L_5864_Al Meena Tower’ FROM DUAL UNION ALL SELECT ‘EI_AE_L_5864_Al radha Tower’ FROM DUAL Query: SELECT value, SUBSTR( replaced_value, first_separator … Read more
Join sailors with reserves, filter out rows before 2011-02-04, group by sailor and take only those results having a count over two. Translate this to SQL, and you are done. solved Can you provide a query for this question? [closed]
Write an SQL query to find all those hostnames that have encountered multiple logs //“init failure” on any given day at 5 min interval solved Write an SQL query to find all those hostnames that have encountered multiple logs //“init failure” on any given day at 5 min interval
Try this: {{ round(($unload->sum(“first”) * 100) / $unload->sum(“total_unload”)) }} % 0 solved How can I get round value from a object in laravel [closed]
select a.name as name,b.name as represon from table1 a inner join table1 b on a.code=b.rperson 0 solved How can I quickly solve this query? [closed]
It looks a bit bulky, I’d recommend you to rewrite it in the following way: SELECT User1.NAME,User1.PORT,User1.IP,File1.SIZE, FROM [User_File],[User1],[File1] WHERE [User_File].UID= User1.UID AND [User_File].FID=File1.FID and [User_File].FID = {0} and check if it runs without errors from your SQL Management Studio. solved What’s the problems on this sql command code? [closed]
To do a join and get half a result even if the other record does not exist, use an outer join. To chose the first non-NULL value of a list, use COALESCE: SELECT IDowner as IDoutput, COALESCE(FirstName || ‘ ‘ || LastName, CompanyName) AS Name FROM Owner LEFT JOIN Contacts ON Owner.IDcontacts = Contacts.IDcontacts LEFT … Read more
I’m assuming your datetime variable is a VARCHAR – this can be directly cast via CONVERT: Declare @YourVariable Varchar (15) = ‘JAN 01 1996’ Select Convert(Date, @YourVariable) 1996-01-01 2 solved Converting datetime variable format
Assuming that I understand the problem: you have a number of rows with sections (“Cates”) and symbols (“Type”); if there are any symbols ending in a minus sign then these indicate a row without a minus sign should be removed; symbols are never “mixed” per section, i.e. a section can never have “A” and “B-“; … Read more