How to send a SQL statement longer than 1024 characters with EcoStruxure Machine SCADA Expert?
In EcoStruxure Machine SCADA Expert, the function DBExecute can be used to write some data in SQL Database.
There is a limitation with this function. The maximum length of an SQL statement 1024 characters.
The goal of this article is to explain how to send more than 1024 characters in the SQL Databse, with the function DBExecute
This article is applicable for EcoStruxure Machine SCADA Expert, all version
To execute SQL commands longer than 1024 characters with DBExecute() or DBCursorOpenSQL(), need to break the SQL statement into fragments, storing those fragments in string tags, and then using tag pointers to reference those tags.
For example:
There is a limitation with this function. The maximum length of an SQL statement 1024 characters.
The goal of this article is to explain how to send more than 1024 characters in the SQL Databse, with the function DBExecute
This article is applicable for EcoStruxure Machine SCADA Expert, all version
To execute SQL commands longer than 1024 characters with DBExecute() or DBCursorOpenSQL(), need to break the SQL statement into fragments, storing those fragments in string tags, and then using tag pointers to reference those tags.
For example:
$SQL1 = "first 1000 chars"
$SQL2 = "second 1000 chars"
$DBExecute("ConnName", "{SQL1}{SQL2}")
$SQL2 = "second 1000 chars"
$DBExecute("ConnName", "{SQL1}{SQL2}")
게시 대상: 슈나이더 일렉트릭 Korea
도움이 필요하신가요?
제품 선택기
애플리케이션에 적합한 제품과 액세서리를 빠르고 쉽게 찾을 수 있습니다.
견적 받기
영업 관련하여 온라인으로 문의하시면 전문가가 연락드립니다.
구매처
해당 지역의 가장 가까운 슈나이더 일렉트릭 대리점을 쉽게 찾을 수 있습니다.
지원 센터
한 곳에서 모든 요구 사항에 대한 지원 리소스를 찾아보십시오.