Difference between revisions of "SYSCOLUMNCONSTRAINTS"

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==Example==
 
==Example==
 
<code lang="recital">
 
<code lang="recital">
EXEC SQL
+
SELECT column_name;
SELECT column_name
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  FROM syscolumnconstraints;
FROM syscolumnconstraints
+
  WHERE table_name = 'example'
WHERE table_name = 'example';
+
 
</code>
 
</code>
  
  
 
==Products==
 
==Products==
Recital Database Server, Recital Mirage Server, Recital Terminal Developer
+
Recital, Recital Server
 
[[Category:Documentation]]
 
[[Category:Documentation]]
 
[[Category:SQL]]
 
[[Category:SQL]]
 
[[Category:System Tables]]
 
[[Category:System Tables]]

Latest revision as of 16:15, 22 December 2009

Purpose

Description of the constraints for a table’s columns


See Also

DATA TYPES, SELECT, SYSTEM TABLES


Description

System Tables are system defined read-only tables. You can query these tables using the SELECT statement.


Column Data Type Width Description
TABLE_CAT C 30 Table catalog
TABLE_SCHEM C 30 Table schema
TABLE_NAME C 30 Table name
COLUMN_NAME C 32 Column name
CONSTRAINT_NAME C 30 Constraint Name (see below)
CONSTRAINT C 100 Constraint


Constraint names:

  • AUTOINC NEXT
  • AUTOINC STEP
  • CALCULATED
  • CHECK
  • CHOICES
  • DEFAULT
  • ERROR
  • HELP
  • NOT NULL
  • NULL SUPPORT
  • PICTURE
  • RANGE
  • RECALCULATE
  • WHEN


Example

SELECT column_name;
  FROM syscolumnconstraints;
  WHERE table_name = 'example'


Products

Recital, Recital Server