Difference between revisions of "LIST TRIGGERS"

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==Purpose==
 
==Purpose==
 
Display triggers associated with current table
 
Display triggers associated with current table
 
  
 
==Syntax==
 
==Syntax==
LIST TRIGGERS [TO FILE <.txt filename> | (<expC>)] | [TO PRINT]
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LIST TRIGGERS [TO FILE <.txt filename> | (<expC>)]  
 
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==See Also==
 
==See Also==
[[@...GET]], [[CREATE]], [[CREATE SCREEN]], [[CREATE REPORT]], [[DB_PRINT]], [[DISPLAY TRIGGERS]], [[MODIFY REPORT]], [[MODIFY SCREEN]], [[MODIFY STRUCTURE]], [[SET PAGELENGTH]], [[SET PAGEWIDTH]], [[SET POSTFORM]], [[SET POSTRECORD]], [[SET PREFORM]], [[SET PRERECORD]], [[SET PRINTER]]
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[[ALTER TABLE]], [[SQL Constraints|CONSTRAINTS]], [[CREATE TABLE]], [[DISPLAY TRIGGERS]]
 
+
  
 
==Description==
 
==Description==
The LIST TRIGGERS command is used to display to the screen all triggers that are associated with the currently active table.  A trigger is used to call a procedure written in the Recital/4GL.  Accessible through the CREATE | MODIFY work surfaces, and through SET commands, triggers may be inserted at table, field, record, form, and report levels.
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The LIST TRIGGERS command is used to display to the screen all triggers that are associated with the currently active table.
  
 
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{| class="wikitable" width="100%"
{| class="wikitable"
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!width="15%"|Keyword||Description
!Keyword||Description
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|-
 
|-
|TO <file>||The display output will be sent to the specified file.  The filename can be substituted with a <expC>, enclosed in round brackets, which returns a valid filename.  If no file extension is specified, then ".txt" will be used.  The command SET PAGELENGTH governs the output file pagination and SET PAGEWIDTH defines the width of each page.  Page numbers are centered on the bottom of the page according to width.
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|valign="top"|TO <file>||The display output will be sent to the specified file.  The filename can be substituted with a <expC>, enclosed in round brackets, which returns a valid filename.  If no file extension is specified, then ".txt" will be used.
|-
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|TO PRINT||The display output will be sent to a printer.  The TO PRINT option will default to a local printer unless the command SET PRINTER TO \\SPOOLER is issued.  The print request will then be spooled to the system printer, which is defined by the environment variable DB_PRINT.
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|-
 
|-
 
|}
 
|}
 
  
 
==Example==
 
==Example==
 
<code lang="recital">
 
<code lang="recital">
 +
open database southwind
 +
use customers
 
list triggers  
 
list triggers  
 
</code>
 
</code>
  
 
==Products==
 
Recital Server, Recital
 
 
[[Category:Documentation]]
 
[[Category:Documentation]]
 
[[Category:Commands]]
 
[[Category:Commands]]
[[Category:Triggers]]
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[[Category:Databases]]
[[Category:Triggers Commands]]
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[[Category:NoSQL Commands]]
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[[Category:Database Triggers]]

Latest revision as of 04:37, 15 December 2017

Purpose

Display triggers associated with current table

Syntax

LIST TRIGGERS [TO FILE <.txt filename> | (<expC>)]

See Also

ALTER TABLE, CONSTRAINTS, CREATE TABLE, DISPLAY TRIGGERS

Description

The LIST TRIGGERS command is used to display to the screen all triggers that are associated with the currently active table.

Keyword Description
TO <file> The display output will be sent to the specified file. The filename can be substituted with a <expC>, enclosed in round brackets, which returns a valid filename. If no file extension is specified, then ".txt" will be used.

Example

open database southwind
use customers
list triggers