Non-relational databases are attracting more attention day by day. The main limitation is that today\'s complicated data are indeed connected. Isn\'t it convenient to connect databases as we connect t
As a result of a mistake during an import to the a test table called CUSTOMERS, I found myself needing to switch the values of two columns in SQL Server.
Imagine a schema as such. NOTE TABLE:NoteID, Note, DetailedTaskID, ..... DETAILED TASK TABLE:DetailedTaskID, WorkOrderID, .....
I have my app using core data with the data model below.Howev开发者_如何学运维er, I\'m switching to a standard database with columns and rows.Can anyone help me with setting up this new database schem
So heres what I have and want to do.. I have a main \"users\" table. And then a \"records\" table. So when a user signs in, they see their records, but they only have access to specific records. Does
I have the following entities开发者_Python百科: Books, Authors, and Stores. Each of them can have a comments section. Should I store the comments in a separate table OR have a subtype/supertype desig
I understand that a lookup table is necessary when we are dealing with many-to-many relationship. But what about one-to-many relationship - do we need a lookup table or a foreign key in one of the ta
If you get to design a Database table for users, will stuffing all users with different role be best option in long term maintainability, database programming, web development. Take this situation as
this is my tables CREATE TABLE IF NOT EXISTS `carslibrary` ( `CarID` int(10) unsigned NOT NULL AUTO_INCREMENT,
I am exploring a legacy database system and have very little knowledge of its internals. I would like to find all the stored procedures that invoke another stored proce开发者_开发技巧dure A.
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