HCL Group Senior Technical Lead Interview Questions and Answers

call_form is used to call a form module from another form module, open_form is used to open a form module in a new window, and new_form is used to open a new form module in the same window.

• call_form is used to call a form module from another form module

• open_form is used to open a form module in a new window

• new_form is used to open a new form module in the same window

Forms personalization allows users to customize their own forms without modifying the underlying code, while customization involves making changes to the form's code.

• Forms personalization is done by end users without technical knowledge.

• Customization involves modifying the form's code by developers.

• Forms personalization is limited to changing the behavior of existing form elements.

• Customization allows for more extensiv...read more

Trigger firing sequence in Oracle Forms 12c involves pre-insert, pre-update, pre-delete, post-insert, post-update, and post-delete triggers.

• Pre-insert trigger fires before a new record is inserted.

• Pre-update trigger fires before an existing record is updated.

• Pre-delete trigger fires before a record is deleted.

• Post-insert trigger fires after a new record is inserted.

• Post-update trigger fires after an existing record is ...read more

Data skewness refers to the imbalance in the distribution of data values within a dataset.

• Data skewness occurs when certain values or categories appear more frequently than others in a dataset.

• It can lead to performance issues in data processing and analysis.

• To resolve data skewness, techniques like data partitioning, shuffling, and using appropriate algorithms can be employed.

• For example, in a dataset of customer tran...read more

The output of the query will depend on the specific data in the tables being joined.

• The result will be a combination of data from all 4 tables based on the join conditions specified in the query.

• Make sure to check for any filtering conditions in the query that may limit the output.

• The final result will include columns from all 4 tables, with rows that meet the join criteria.