Say I want to allow in a table column only strings that begin w开发者_C百科ith a numeral and should not contain \'$\' in it. How would a check constraint on this table look like?Assuming Oracle 10g+,
I have a table, ProductSupportArticles: ProductSupportArticleID int NOT NULL <primary key> ParentArticleID int NULL
I have a table in SQL Server 2005 with a foreign key and开发者_JS百科 it was disable for huge data loading, and then re-enabled:
I have the table, the snippet below. package test; import javax.persistence.Column; import javax.persistence.Entity;
I have a table with 2 columns CREATE TABLE mytable ( x int y char(1) ) I would like to enforce constraint on y with respect to the va开发者_如何学JAVAlue of x.
I\'m fairly new to Oracle and very new to APEX. I\'m trying to add a constraint on a table to validate the email:
I have a VARCHAR(30) column in a Microsoft SQL Server database. I\'d like to add a CHECK constraint that does not allow a value in the 开发者_开发知识库column to be less than 3 characters. What is the
I have a VARCHAR(30) column in a 开发者_C百科Microsoft SQL database representing a username. I\'d like to add a CHECK constraint that allows only a certain range of characters to be used: specifically
My question is sort of similar to this one I want to check if a DELETE query will fail because of a constraint violation. I\'d like to do this on database level because I think letting it fail and ca
This question already has answers here: CHECK constraint in MySQL is not working (8 answers) Closed 3 years ago.
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