An Experimental Study of Object-Oriented Query Language and Relational Query Language for Novice Users

Wu, Chun-Zhi; Chan, Hock-Chuan; Teo, Hock Hai; Wei, Kwok‐Kee

doi:10.4018/jdm.1994100102

Cited by 6 publications

(4 citation statements)

References 19 publications

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“…For example, in Table 1, effect sizes for Vassiliou et al (1983), Turner et al (1984, Jarke et al (1985) and Suh and Jenkins (1992) were calculated from the reported means and standard deviations. Those for Small and Weldon (1983) and Chan et al (1994) are derived from the reported F value. That for Shneiderman ( 1980) is estimated at a conservative 0, with estimated p value of 0.5, since that study reported nonsignificant difference without reporting other values suitable for derivation.…”

Section: Results Resultsmentioning

confidence: 99%

“…Besides studies on the ER model, the newer objectoriented models have also been examined. Wu et al (1994) reported an experiment on object-oriented model plus objectoriented language against relational model plus SQL. The results showed better query performance for the object-oriented model users, compared to the relational model users.…”

Section: Effects Of Different Semantic Levels Effects Of Different Sementioning

confidence: 99%

“…Studies before 1986 has negative weights, e.g., Jarke et al (1985) has a weight of -1, and Shneiderman (1980) has a weight of -6. Studies after 1986 has a positive weight, e.g., Suh and Jenkins (1992) has a weight of 6.5 and Chan et al (1994) has a weight of 8.5. These were increased slightly to keep the sum of weights to zero.…”

Section: Query Accuracymentioning

confidence: 99%

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Database Interfaces

Chan

Lim

1998

Journal of Database Management

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Section: Results Resultsmentioning

confidence: 99%

Section: Effects Of Different Semantic Levels Effects Of Different Sementioning

confidence: 99%

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Database Interfaces

Chan

Lim

1998

Journal of Database Management

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“…Similarly, OO models have also been studied for their users' query performance. Wu, Chan, Teo, and Wei (1994) compared an OO query language with the relational query language for novice users. It is found that the OO query language enabled novice users to perform querying tasks more effectively and more quickly than SQL.…”

Section: Conceptual Foundation and Research Modelmentioning

confidence: 99%

An evaluation of novice end‐user computing performance: Data modeling, query writing, and comprehension

Chan

Teo

Zeng

2005

J. Am. Soc. Inf. Sci.

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End-user computing has become a well-established aspect of enterprise database systems today. End-user computing performance depends on the user-database interface, in which the data model and query language are major components. We examined three prominent data models-the relational model, the Extended-EntityRelationship (EER) model, and the Object-Oriented (OO) model-and their query languages in a rigorous and systematic experiment to evaluate their effects on novice end-user computing performance in the context of database design and data manipulation. In addition, relationships among the performances for different tasks (modeling, query writing, query comprehension) were postulated with the use of a cognitive model for the query process, and are tested in the experiment. Structural Equation Modeling (SEM) techniques were used to examine the multiple causal relationships simultaneously. The findings indicate that the EER and OO models overwhelmingly outperformed the relational model in terms of accuracy for both database design and data manipulation. The associations between tasks suggest that data modeling techniques would enhance query writing correctness, and query writing ability would contribute to query comprehension. This study provides a better and thorough understanding of the inter-relationships among these data modeling and task factors. Our findings have significant implications for novice end-user training and development.

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Effect of grading schemes on outcomes in query writing experiments

Chan

Wei

1996

Interacting with Computers

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An Experimental Study of Object-Oriented Query Language and Relational Query Language for Novice Users

Cited by 6 publications

References 19 publications

Database Interfaces

Database Interfaces

An evaluation of novice end‐user computing performance: Data modeling, query writing, and comprehension

Effect of grading schemes on outcomes in query writing experiments

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