Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 8 months ago. Improve this question So im planning to develop a test SaaS software for a hobby project, with an oracle xe database in the background.
Tag: schema
Implement database schema for organizing historical stock data
I am new to MySQL, I try to use MySQL to store my stock data. I followed the answer by boe100 in reference: Database schema for organizing historical stock data I create my table as follows: mysql> describe StockDailyQuotations; Field Type Null Key Default Extra ts_code varchar(9) NO PRI NULL trade_date int(8) NO PRI NULL open decimal(6,2) NO NULL high
Chat schema with one side deletion
I’m struggling with a chat schema that permits deletion from one side of the conversation in a relational database (PostgreSQL). Here is my best approach: my schema All schemas I found were about …
How to make it into BCNF
Good morning, I wonder how I can make sure this schema is in BCNF. petition(ID, title, contents, budget, organizationID, official, resultID, applicantID) applicant(ID, name) official(ID, name, department) organization(ID, name, phoneNumber) *Each petition has an official. *Each petition should have more than one organization. This is the hardest option that I cannot handle. With the same petitionID, there can be several
What’s the meaning of CWD in database design?
What’s the meaning of CWD? Usually, It used in SQL Schema. like cwd_user or cwd_directory. I have seen it here Jira database schema.
How to copy data from one table to another when foreign key is only defined in the destination table?
Table_A schema: Table_B schema: Column UserId is defined as Foreign Key in Table_A. I need to copy data from Table_B to Table_A and I used: But I get: The INSERT statement conflicted with the FOREIGN KEY constraint “FK_UserId” The conflict occurred in database “Table_A”, table “dbo.Users”, column ‘Id’. Table Users exists of course. FYI & BTW This situation is due