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Open Access DB

Showing 7

JDBC access to dynamic arrays in IMS database segments

In several IMS databases dynamic array structures were used instead of having a bunch of very small dependend segments. Actually IMS Catalog supports the definition of fix arrays and dynamic arrays where the amount of array instances depends on a ...
over 7 years ago in IMS Database Manager / Open Access DB 3 Delivered

IMS database dependent segment layout mapping based on root segment value

To be able to access IMS database segment with different data structures using SQL you have to define mappings in your Catalog. The data structures of a segment typically depend on the segment length or a specific field value within this segment. ...
over 7 years ago in IMS Database Manager / Open Access DB 3 Delivered

No NULL value columns for fields, which according to the WHERE clause conditions can't exist in the SQL result

IMS databases can have multiple different layouts on the same segment. Before accessing such a segment using SQL these different layouts need to be defined with a DFSMAP/DFSCASE mapping definition, which describes to IMS which layout needs to be u...
about 3 years ago in IMS Database Manager / Open Access DB 2 Delivered

Easy SQL access to complex array structures in IMS databases

At the moment the IMS Universal JDBC Driver respectively the IMS DB Resource Adapters support only access to simple array structures based of fields in one datatype. Please enhance both the IMS Universal JDBC Driver and the IMS DB Resource Adapter...
almost 6 years ago in IMS Database Manager / Open Access DB 2 Delivered

IMS Catalog add support to JDBC drivers to support sub fields in tooling access for FEDERATED/VIRTUALIZED access

The customer imports COBOL copybooks into IMS Enterprise Suite for Developers for use in SQL queries. 01 root-level 03 can-query1 char(1) 03 cannot-query, 05 cannot-query1 char(1) 05 cannot-query2 char(2) 03 can-query2 pic'999'. As imported, the c...
about 10 years ago in IMS Database Manager / Open Access DB 1 Delivered

Raise number of possible fields in an IMS database to 32k

Actually the number of possible fields in an IMS databases is restricted to 10,000. Please raise this boundary to 32k such that it is possible to have more fields in an IMS database.
over 7 years ago in IMS Database Manager / Open Access DB 1 Delivered

An exit that allows the PSBNAME and DATA STORE name in a ACCRDB command to be modified before CSLDCXXX processing

An exit that allows the PSBNAME and DATA STORE name in a ACCRDB command to be modified before CSLDCXXX processing
about 11 years ago in IMS Database Manager / Open Access DB 2 Delivered

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