I have a sequence as: CREATE SEQUENCE OWNER_SEQ START WITH 1; I need to trigger this sequence for OWNER table’s ID column CREATE TABLE METADATA.OWNER ( OWNER_ID NUMBER NEXTVAL(…
Tag: primary-key
Oracle SQL Unique Constraint Violated
I need to create tables and input values. All but two rows when inserted give me an error, Unique Constraint Violated. The last row in DEPT_LOCATIONS table and the second to the last row in DEPENDENT table. I’m not sure why these rows aren’t being added because other rows in the same table are. He…
How to get the id from next inserted element before that is created?
I need to get the id from the future element insert in my table. I have an autoincrement id. await db.execute(‘CREATE TABLE Product(Id INTEGER PRIMARY KEY AUTOINCREMENT, Name TEXT)’); Imagine this …
SQL Column ID value jumps 10000 times
The ID column index jumps 10000 times. For example: From index : 5 goes to 10006 and the continues 10007 , 10008 , 10009 and then goes to 20003 , 20004 …. How I could fix the ID values and …
How to make separately unique each column in postgresql?
I know we can apply primary key to a column to provide uniqueness for a row and we can apply multiple primary keys and get a composite key. But this didn’t work for my case. I have userID and email columns. And I want them to be unique at the same time. When I applied primary key attribute to both
SQL group by ID for multiple IDs using case when statements
I started with a list of patients with multiple codes (at multiple times of year) and need to split the patients into groups based on if they have a code or combo of codes and those that don’t qualify …
Can Foreign Key on a table be three different tables as primary keys (each table primary key data is different)?
I have a reminder table (ParentId) – Foreign key to ProductId from Product and also OrderId from Order table. Is it possible? When I try to insert the data for the Reminder table belongs to OrderId, I’m getting Foreign-Key constraint error. Answer You can do this with a bit of work, using foreign …
The INSERT statement conflicted with the FOREIGN KEY constraint “FK__…”
I’m a very new beginner with SQL and I’m battling a problem I can’t seem to find the answer to. I’ve found similar questions here on Stack Overflow but I still can’t see what I’m supposed to change in my code to make it work. I’ve got 4 tables in a relation as follows…
Can I use two values of a foreign key in on table?
I have a ‘users’ table, and there is also a table ‘alerts’. And in the ‘alert’ table, I want to use ‘users.id’ two times representing two different users of a ‘users’ table as a foreign keys in ‘alert’…
id value needs a default value according to error 1364?
I want to create two tables. practice has a AUTO_INCREMENT attachment and is a PRIMARY KEY. continued has the id entity continued_id which exists as a FOREIGN KEY that references practice(user_id). Mysql executes the code below fine until line 19, where I receive the 1364 error, stating that continued_id has …