Top "Constraints" questions

A constraint is a condition that has to be fulfilled in a given context.

How to Create layout constraints programmatically

I am displaying a view in the bottom of the universal application and adding this view dynamically in my view. …

ios iphone constraints
How to disable Constraints for all the tables and enable it?

I have 60 tables. I want to drop 10 tables where these 10 tables are Constraints(PK,FK) to other 20 tables. While dropping …

sql-server sql-server-2008 foreign-keys constraints foreign-key-relationship
How can I set aspect ratio constraints programmatically in iOS?

I have used auto layout for my view controllers. I have set the V and H positions in constraints, but …

ios autolayout constraints nslayoutconstraint
PostgreSQL - disabling constraints

I have a table with approx 5 million rows which has a fk constraint referencing the primary key of another table (…

postgresql constraints
UIScrollView doesn't use autolayout constraints

I have a scroll view and an image view behind it and I am populating it with nibs. I am …

objective-c uiscrollview constraints autolayout
List of Constraints from MySQL Database

How do I get a list of all constraints from a particular database?

mysql database-design constraints
Can I create a named default constraint in an add column statement in SQL Server?

In SQL Server, I have a new column on a table: ALTER TABLE t_tableName ADD newColumn NOT NULL This …

sql-server constraints alter-table code-maintainability
Declaring a default constraint when creating a table

I am creating a new table in Microsoft SQL server 2000 by writing the code instead of using the GUI, I …

tsql sql-server-2000 default constraints
What do the letter codes in Oracle user_contraints table's constraint_type column stand for?

select distinct constraint_type from user_constraints; C - C P R U Seems P means primary key and R …

oracle constraints oracleinternals
Disabling foreign key constraint, still can't truncate table? (SQL Server 2005)

I have a table called PX_Child that has a foreign key on PX_Parent. I'd like to temporarily disable …

sql-server foreign-keys constraints