Constraints are the rules enforced on data columns on table. These are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the database. 319 more words
Tags » Primary Key
How to get the primary key(s) of an IBMi DB2 table via SQL.
Below is some example code on how to pull back the primary keys of a table via SQL. 521 more words
While searching for how to find Primary Key and Foreign Key relationship using INFORMATION_SCHEMA in SQL Server Database, I came across following query which works for me. 125 more words
The below script generates primary key across all the tables in the database.
;with CTE as (select distinct COLUMN_NAME,ORDINAL_POSITION,TABLE_NAME,b.name,c.index_id, 197 more words
b. as ObjectID,b.parent_object_id as
from INFORMATION_SCHEMA.KEY_COLUMN_USAGE A Inner Join sys.key_constraints B on…