Experiments to try: 1  Turn on show energy. 2  Reduce elasticity (bounciness) to less than 1, for example 0.9. 3  Make a small gap between each ball by increasing the offset to above zero, for example 0.1. 4  Try using simultaneous collision handling method. 5  Turn on show forces to see the contact forces and collision impacts.
Data cleaning involves the detection and removal (or correction) of errors and inconsistencies in a data set or database due to the corruption or inaccurate entry of the data. Incomplete, inaccurate or irrelevant data is identified and then either replaced, modified or deleted.
Importance of Data Dictionary. Data dictionary is essential in DBMS because of the following reasons: â¢ Data dictionary provides the name of a data element, its description and data structure in which it may be found. â¢ Data dictionary provides great assistance in producing a report of where a data element is used in all programs that mention it.