KB-65789: I/O points consumption on offline mode when using an XObject.
Question: As seen below, I have an XObject with one driver and three I/O tags: The driver starts on offline mode, and its parameterization (IP, port, and network…
Author: Délio Damin
KB-65651: Utilizando o método GetAsyncADORecordSet.
Descrição: Como utilizar o método GetAsyncADORecordSet de uma Consulta? Solução: O método GetAsyncADORecordSet cria uma Consulta que, quando finalizada, gera o evento OnAsyncQueryFinish no próprio objeto (Consulta), passando para este…
KB-65534: Problemas na gravação de arquivos ao transferir a aplicação para o Windows 7.
Descrição: Durante a transferência de uma aplicação Elipse SCADA de um sistema operacional Windows XP para Windows 7, são notadas falhas em algumas operações: os arquivos históricos (.dat, .hdr) não…
Hands-Off Mode: Propagating PRJ and LIB files via DFS.
The Hands-Off Mode has been a feature of Elipse E3 since its version 4.5 Build 228. It allows opening the project files (.PRJ and .LIB) on hands-off mode, which allows…
Hands-Off Mode: Propagando arquivos PRJ e LIB via DFS.
A partir da versão 4.5 Build 228, o E3 possui um recurso chamado Hands-Off Mode. Esta ferramenta permite abrir os arquivos de projeto (.PRJ e .LIB) no modo hands-off, possibilitando…
Structure Query Language (SQL): Chapter 7 – Views.
A view is an alternative solution for observing data from one or more of the tables comprising a database. You can regard it as a virtual table or a stored…
Structure Query Language (SQL): Chapter 8 – Triggers.
Triggers are a type of special stored procedures that are executed whenever there is an attempt to change the data in a table protected by them. DML triggers (Data Manipulation…
Structure Query Language (SQL): Chapter 9 – Stored Procedures.
A stored procedure is a set of instructions developed in T-SQL language (Transact-Sql) that, whenever stored or saved, are inside the server in a pre-compiled way. This procedure is stored…
Structure Query Language (SQL): Chapter 4 – Backup.
The main task in a Database manager is to not just make sure all data is inserted, but also that these data continue existing. Regardless of the contingency system, the…
Structure Query Language (SQL): Chapter 6 – SQL Commands.
This article illustrates a few SQL commands. To illustrate how they are used, the following tables will work as reference: Store_Information table: Store_Name   Sales   Date_Time Los Angeles   1500    05-Jan-1999…