The Pick / MultiValue DBMS for Relational DBMS users

In the jBase forum someone was recently looking for a jBase tutorial for Oracle/RDBMS users, or for someone new to databases in general. Many years ago I did a presentation called Pick for Relational Experts. It included the points presented here, which apply to all Pick/MultiValue DBMS platforms. I welcome others to compare and contrast jBase/MV with Relational, and comments […]

MV 2 min read

The F;x;P;S;_ trick : Getting the last value from an attribute

For many years Pick developers have relied on a trick to extract the last value element from a multi-valued attribute. I don’t have access to internal F-correlative code to explain why it really works but I can provide an explanation based on observations, along with a couple variations of the trick to explore how it behaves. I welcome corrections from […]

MV 5 min read

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