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Thereis a columnC in a table T1.The following statements: Select count(*)fromT1; Select count(C1)from T1; are giving different outputs.what may be posaible reason?

Posted by Devi Battini 4 years, 8 months ago

CBSE > Class 12 > Informatics Practices

1 answers

Dimpal Shugani 4 years, 8 months ago

The column c1 may have null value

1Thank You

ANSWER

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CBSE > Class 12 > Informatics Practices