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Contents

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Documentation Accessibility
• Related Documents
• Conventions

1 Introduction

• Overview
• Heterogeneous Services Technology
• Oracle Database Gateway for ODBC
• Oracle Database Gateway for ODBC Architecture
  • Oracle and Non-Oracle Systems on Separate Machines
  • Oracle and Non-Oracle Systems on the Same Machine
• ODBC Connectivity Requirements

2 Oracle Database Gateway for ODBC Features and Restrictions

• Using the Pass-Through Feature
• AUTO COMMIT
• Known Restrictions
  • COMMIT or ROLLBACK in PL/SQL Cursor Loops Closes Open Cursors
  • SQL Syntax
    • WHERE CURRENT OF Clause
    • CONNECT BY Clause
    • ROWID
    • EXPLAIN PLAN Statement
  • Does not support CALLBACK links
• Known Problems
  • Encrypted Format Login
  • Date Arithmetic

A Data Type Conversion

• Mapping ODBC Data Types to Oracle Data Types

B Supported SQL Syntax and Functions

• Supported SQL Statements
  • DELETE
  • INSERT
  • SELECT
  • UPDATE
• Oracle Functions

C Data Dictionary

• Accessing the Non-Oracle Data Dictionary
• Views and Tables Supported by Oracle Database Gateway for ODBC
  • Data Dictionary Mapping
  • Oracle Database Gateway for ODBC Data Dictionary Descriptions

D Initialization Parameters

• Initialization Parameter File Syntax
• Oracle Database Gateway for ODBC Initialization Parameters
• Initialization Parameter Description
  • HS_DB_DOMAIN
  • HS_DB_INTERNAL_NAME
  • HS_DB_NAME
  • HS_DESCRIBE_CACHE_HWM
  • HS_LANGUAGE
    • Character Sets
    • Language
    • Territory
  • HS_LONG_PIECE_TRANSFER_SIZE
  • HS_OPEN_CURSORS
  • HS_RPC_FETCH_REBLOCKING
  • HS_RPC_FETCH_SIZE
  • HS_TIME_ZONE
  • HS_TRANSACTION_MODEL
  • IFILE
  • HS_FDS_TIMESTAMP_MAPPING
  • HS_FDS_DATE_MAPPING
  • HS_FDS_CONNECT_INFO
  • HS_FDS_DEFAULT_OWNER
  • HS_FDS_TRACE_LEVEL
  • HS_FDS_SHAREABLE_NAME
  • HS_FDS_FETCH_ROWS
  • HS_FDS_REMOTE_DB_CHARSET
  • HS_FDS_SQLLEN_INTERPRETATION
  • HS_FDS_REPORT_REAL_AS_DOUBLE

Index