DataDirect Sequelink – Summary of Releases Prior to 6.0

Release 5.5

Release 5.5 offers a number of significant enhancements to the product:

SequeLink Server enhancements:

• New SequeLink Server for JDBC Socket:
• Provides access to any databases that are accessible through a JDBC 2.0 or higher driver
• Includes a set of utilities to provide easier installation
• Greater scalability and performance using a thread-pool engine
• Idle timeout mechanism for all SequeLink Servers
• SequeLink Server for DB2 UDB on z/OS:
• UID mapping on data source level
• Threadpool monitoring
• Support for explicit batches
• Improved installation procedure creates distinct distribution data set and SequeLink Server-specific data sets
• Certified against DB2 UDB for z/OS v8 (compatibility mode)
• Certified against DB2 UDB for z/OS v8 (new function mode)
• Improved performance by using array fetch and array insert features of DB2 UDB v8
• SequeLink Server for DB2 UDB on Windows/Linux/UNIX:
• DB2 UDB v8 support
• Enhanced performance, including reduced network traffic, caching metadata, and reduced database calls
• SequeLink Server for Oracle is certified against Oracle10g
• SequeLink Server for ODBC Socket enhancements:
• Includes the DataDirect Driver Manager on UNIX
• Includes a set of utilities to provide easier installation
• Optimizes performance by reducing ODBC calls to the backend ODBC driver
• Provides specific support for third-party ODBC drivers such as Lotus Notes, Microsoft Access, Cincom Supra, Progress, and DB2 Information Integrator Classic Federation
• Support for keyset-driven cursors can be enabled

SequeLink Client for JDBC:

• J2EE certified
• JDK 1.5 enabled
• Allows applications to dynamically enable and disable DataDirect Spy
• Limited parameter metadata support for databases that do not natively support parameter metadata
• Scrollable sensitive cursor support
• Enhanced internationalization support for Japanese code pages

SequeLink Client for ODBC:

• Performance enhancements include:
• Reduced network traffic by caching of metadata
• Arrays of parameter support
• Keyset-driven cursor support
• Improved internationalization support includes:
• ICU 2.8 support
• Support for UTF-16 Unicode applications on UNIX
• Enhanced internationalization support for Japanese code pages

SequeLink Client for ADO:

• is qualified with all SequeLink Servers

SequeLink Client for .NET:

• Enhanced connection pooling
• Microsoft-compatible connection pooling

Release 5.4:

ODBC

• 64-bit ODBC clients on Solaris and AIX
• Improved internationalization, including support for Unicode ODBC functions, allowing Unicode connectivity between applications and the database server (for all databases except Informix and DB2 on z/OS)
• SQLDescribeParam support (for all databases except Oracle and Informix).

JDBC

• Broader JDBC 3.0 support:
  • Updated interfaces for LOBs (for DB2, Informix, and Oracle)
  • LOB emulation for SQL Server and Sybase
  • Support for multiple open ResultSet objects

ADO.NET

• Improved internationalization features
• Support for data scrambling algorithms (byteswap and fixed key DES/3DES)
• Support for ODBC escapes.
• Verification of ADO.NET client with Socket Server opens up the range of data stores accessible from a managed provider environment
• Support for parameter arrays

All APIs

• Improved performance and reduced CPU consumption for the SequeLink server for DB2 on z/OS

Support for the latest operating systems and database versions and features

• Informix 9.4
• DB2 UDB v8.1 (also was supported with SequeLink 5.3, Service Pack 1)
• Oracle 9i R2
• Support for Windows Server 2003 32-bit for all SequeLink clients and servers

If you're ready to try DataDirect SequeLink in your application, download an evaluation version or contact us if you need assistance in evaluating the product.