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- ORACLE ODBC DRIVER CONFIGURATION FETCH BUFFER SIZE HOW TO
- ORACLE ODBC DRIVER CONFIGURATION FETCH BUFFER SIZE CODE
However, this may result in as many as two unnecessary conversions. The driver could always default to receiving the column as Unicode.
ORACLE ODBC DRIVER CONFIGURATION FETCH BUFFER SIZE HOW TO
In this case, Oracle ODBC Driver uses information about the data type of the column as defined in the database to determine how to best default to fetching the column through OCI. An ODBC application developer does not need to explicitly call entry points with the suffix.
ORACLE ODBC DRIVER CONFIGURATION FETCH BUFFER SIZE CODE
Data loss is possible when the Driver Manager is converting from Unicode to the local code page. In earlier releases, the calls only found procedures and functions that were outside of packages. The SQLProcedures and SQLProcedureColumns calls have been modified to locate and return information about all procedures and functions even if they are contained within a package. Object names in the translated Oracle procedure call are not case-sensitive. To support these three ways of organizing migrated procedures, you can specify one of these schema name options for translating procedure names. Migrated procedures are often reorganized and created in schemas in one of the following ways.Īll procedures defined in one SQL Server database are migrated to the schema named with that database name. Parameters 1 and 3 are reference cursor parameters and parameters 2 and 4 are character strings. For example, assume procedure Example2 is defined to have four parameters. Oracle Database - ODBC Driver Insallation on Linux The following code sample identifies how to call the procedure or function without a package and within a package. You must use the ODBC syntax for calling stored procedures. The following information describes how to use reference cursors to enable result sets through ODBC. Oracle reference cursors, also known as result sets, enable an application to retrieve data using stored procedures and stored functions. When you link the program, you must link it with the Driver Manager library, libodbc. However, you can limit the amount of time that Oracle Database waits for locks to be resolved. Oracle Database waits indefinitely for lock conflicts between transactions to be resolved. UpToFirstFailure implies commit up to first failing statement. The following table describes the keywords that you can include in the connection string argument of the SQLDriverConnect function call. When connected to a release The following table describes these limitations. If this check box is cleared, the driver will return 0 for these types of columns.It contains the following sections. Some Oracle numeric data types do not have a fixed precision, such as computed numeric columns and columns defined as NUMBER without a precision or scale. SQLDescribeCol always returns a value for precision specifies that the SQLDescribeCol call will return 130 for the precision when Oracle does not provide that information.
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Otherwise, conforms to the Oracle day-of-week format (Monday = 1 Sunday = 7). If selected, specifies that the result set conforms to the ODBC day-of-week format (Sunday = 1 Saturday = 7). This driver retrieves column information faster when this value is not set (or when the value is set to 0).Įnforce ODBC DayOfWeek Standard sets the result set to a particular day-of-week format. Include SYNONYMS in SQL Columns specifies that, when set to True (1), a SQLColumns() API call returns column information for Tables, Views, and Synonyms. Clear this option for faster performance. Include REMARKS in Catalog Functions specifies that the driver should return Remarks columns for the SQLColumns result set. Larger values tend to increase performance when fetching a lot of data. The driver optimizes fetching so that one fetch from the Oracle Server returns enough rows to fill a buffer of the specified size. For descriptions of personal and remote database connect strings, see the Oracle documentation.)Ĭlick Select to choose a loaded data translator defaults to No Translator.īuffer Size specifies the size, in bytes, allocated to receive fetched data. (For information about string construction, see Connection String Attributes.
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The database alias created in SQL*Net Easy Configuration or a connect string. This field is blank by default, but required.Ĭontains any descriptive qualifiers blank by default. Users can use any descriptive method to name a data source. The name or identifier used by applications to call or use this data source. The ODBC for Oracle Setup dialog box contains the following controls: Microsoft ODBC for Oracle Setup Dialog Box