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  • Overview
  • Programming
  • 1. Establishing the connection
  • 2. Running queries
  • 3. Retrieving the result
  • 4. Closing the connection
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Stored procedures
Native Oracle Connector: Programming with SQL functions
Native AccessesAvailable only with this kind of connection
Overview
No matter whether WDORAINS is used or not to configure the accessed database, the SQL functions can be used to handle the ORACLE database. See Configuring the connection with WDORAINS for more details.
Differences compared to HFSQL programming: The use of SQL functions for handling the Oracle data does not require to import the structure of the files into the analysis. However, the data must be handled by queries only. The content of the Oracle files cannot be read directly.
Programming

1. Establishing the connection

SQLConnect is used to establish a connection to an Oracle database via Native Connector. The type of database used (Oracle in this case) must be passed in parameter to SQLConnect.
The database name corresponds to:
  • the name defined in WDORAINS.
  • the name given in SQL*NET.
ConnectionNum = SQLConnect("OracleDatabase", "", "", "", "ORACLE")
Versions 18 and later
Note: You have the ability to perform an external authentication of the connection. See the help about SQLConnect for more details.
New in version 18
Note: You have the ability to perform an external authentication of the connection. See the help about SQLConnect for more details.
Note: You have the ability to perform an external authentication of the connection. See the help about SQLConnect for more details.

2. Running queries

The queries are run by SQLExec. SQLExec expects in parameter the text of the SQL query as well as the name that will be given to this query.
SQLExec("SELECT LASTNAME, FIRSTNAME, EXTENSION, PHOTO FROM CUSTOMER", "QRY1")

3. Retrieving the result

Several methods can be used to retrieve the result:
  • SQLFirst: Used to retrieve the result and to initialize a SQLFirst/SQLCol browse.
  • SQLTable: Used to retrieve the result of the query in a memory table of the WINDEV application or WEBDEV site. The result of the query can be retrieved by partial Fetch.
  • SQLFetch: Used to browse the different lines of the query result. The browse performed in the query result is a SQLFetch/SQLGetCol browse.
SQLLock is used to lock either the table records, or the records selected by the query.

4. Closing the connection

SQLClose is used to close the connection to the database when all the necessary queries have been run.
Minimum required version
  • Version 9
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