I have Four table, Now I display four common field using UNION sql query. Question : I want to display one uncommon field ( Company ) which in table name as Multiple Product with current result.How can I do it ? Current SQL : Answer You can just add an empty (or NULL) field to the other SELECT queries in
How to store tags for a blog article in SQL database?
I currently am working on developing a blogging website. For this application we’re using MySQL as the database. For this application,I created a blog table which contains the following properties: id blog_title content user_id updated_at upvotes I want to add tags to this table. What is the recommended way of adding tags to this table so that in the application
How do i sum two query with each count and criteria in it
I have this two query sql and i’m trying to do a sum of both 2 counts in the query together but when i try to do the UNION ALL but it kept prompt me to enter parameter for CountOfTools_Number2. All i wan is the sum of the two count and return me a value. Answer Presuming your two example
Running total over duplicate column values and no other columns
I want to do running total but there is no unique column or id column to be used in over clause. there are only 2 columns, name which has duplicate values and the no on which I want to do running total in SQL Server 2017 . expected result: Any help? Answer The following query would generate the output you
how to write select query in PostgreSQL to iterate over an array which is returned by a select query
SELECT b_items_p_id FROM public.box WHERE b_id =1 and this is what it returns: {1,3,5} Now on each of these value, i.e., 1, 3 and 5 I want to run another select query: select p_desc from public….
How to restore postgres 12 generated sql file into postgres 9.6 database
I am trying to restore the database. The database sql file is about 4.5 GB so I couldn’t edit it on editor. I dump the database using following command in postgres 12; But I need the same database in postgres 9.6. For this purpose, I write the following code to restore it It shows the error like this (Error in
Fill table (PK column A, PK column B) with table of elements B, where column A does not have B – list pair
So, to me comes Table2 (PK Text) filled with elements FIRST, SECOND, THIRD, FORTH. I need to insert this element to TABLE1 where these elements are missing. TABLE1 +—-+——–+ | ID | Text | +–…
PostreSQL returning only specific value
I’ve got below structure: sample_table code | delivery | end_date | type —————+—————-+————–+—— C086000-T10001 | OK | 2014-11-12 | …
Error with the ID generated when i insert new data in my database Java Derby
i am building an app with a function to insert new Users in the database with Java Derby. Everything is going well, but when i close the app, i run it again and i try to insert a new User (called …
AnnotationException: A Foreign key refering has the wrong number of column. should be 0
What is the reason this error in Hibernate? org.hibernate.AnnotationException: A Foreign key refering com.Otomasyon.entity.Ogrenciler from com.Otomasyon.entity.AlinanDersler has the wrong number of …