Dec 30, 2021 · Here, we display the name(CONSTRAINT_NAME) and the type of the constraint(CONSTRAINT_TYPE) for all existing constraints. Syntax: SELECT INFORMATION FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME='TABLE_NAME'; Query: SELECT CONSTRAINT_NAME, CONSTRAINT_TYPE FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE …

Apr 13, 2017 · SELECT constraint_name, constraint_type, search_condition FROM USER_CONSTRAINTS WHERE table_name = 'TEAMS'; Unless double-quoted when created, all object names in Oracle are upper case.

I'd like to display these options for selection, but I couldn't figure out the SQL query to find out the constraints of a particular column in a table. From a first glance at system tables in SQL Server, it seems like I'll need to use SQL Server's API to get the info.

Constraints can be column level or table level. Column level constraints apply to a column, and table level constraints apply to the whole table. The following constraints are commonly used in SQL: PRIMARY KEY - A combination of a NOT NULL and …

Aug 10, 2018 · Click on the plus beside the Constraints folder and any constraints on the table will be displayed. If you wish to view details of the constraint. Right Click on it and Click 'Script Constraint as' - 'Create to' - 'New query Window'.

Jul 3, 2018 · Query below lists all table (and view) constraints - primary keys, unique key constraints and indexes, foreign keys and check and default constraints. Query select table_view, object_type, constraint_type, constraint_name, details from ( select schema_name(t.schema_id) + '.' + t.[name] as table_view, case when t.[type] = 'U' then 'Table' when t ...

Nov 4, 2009 · Below are two methods to do the same. Method 1. Use sys.objects to get the constraint information. — To Display all the Constraint in the Database. SELECT * F ROM sys.objects. WHERE type_desc LIKE ‘%CONSTRAINT’. The above query will display all the fields of sys.objects. We can refine the above query to display the result more tasteful.

Sep 5, 2018 · One can use these data dictionaries to check the constraints on an already existing table and to change them (if possible). USER_CONSTRAINTS Data Dictionary: This data dictionary contains information about each constraint used in a database along with constraint specific information.

Nov 29, 2022 · select constraint_name, constraint_type from information_schema.table_constraints where table_name='student_info'; Note: here two rows will be displayed since the table has two constraints namely, the …

Mar 28, 2025 · Learn how to display constraints in MS SQL and validate SQL character encoding effectively. In MS SQL, constraints are essential for maintaining data integrity and ensuring that the data adheres to specific rules. Constraints can be applied to tables to enforce rules on the data in those tables.