- 07/12/2019 at 9:55 pm #1427631EduGorillaKeymasterSelect Question Language :
Consider the following statement :
S1 : Deletion in referencing relation causes deletion anomaly.
S2 : Referential integrity constraints are specified between exactly two relations in a schema.
S3 : Count(*) also counts the tuples which consists of NULL in a relation.
S4 : Every relation is possible to decompose into BCNF with dependency preserving and lossless join decomposition.
Which option is correct ?
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- S1, S2 are false
- Only S3 is false
- S2 and S3 are false
- All Are False
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