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Tip Bank

Balnk form

Question: How do I open up a blank form – a form without any values displayed? Answer: As you probably know, you can add a DefaultCondition to your form, such

ODBMS vs. RDBMS

Question: Under which circumstances should I consider an object database management system (ODBMS) instead of a relational database managementsystem (RDMBS)? Answer: There are some specific types of applications that are

Structured variables

Question: It seems like I cannot define my own data structures in OPO. I want to create an variable that actually consists of different underlying variables – a string followed

RDBMS Strengths

Question: What are the major strengths of a RDBMS when compared to anODBMS? Answer: Most ODBMS today are still weak in the area of security, so if you are planning

Repeater fields

Question: Whenever I try to reference an object in a repeater, I get an error message telling me that “Repeated control can be used only in aggregation function”. How can

Set focus

Question: When a user selects a value from a list box, I populate the contents of arepeater. I also want to set the focus into the repeater’s first field.How can

EXEC SQL and errors

Question: I am using the EXEC SQL command to insert some data into a database on the CommitForm()method of a form, but the data is not showing up in the

Compound key

Question: I want to use a unique compound key, with a string columns and a numeric column, in my table. Since Blaze does not support compound keys, I will have

Matching Employees’ Skills with Jobs

Question: [Joe Celko’s Employment Agency Puzzle]You are running an employment agency that has requests for jobs and applications from candidates. Both of these forms include a list of the skills