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Mind map

SQL - NULL

Claudio Vicente Banco de Dados Concursos Públicos Portuguese

SQL - NULL

Map content

SQL - NULL

  1. Comparações tem que ser feitas com IS NULL ou IS NOT NULL ou NOT (x IS NULL)

  2. Operadoress comparados com NULL o resultado é sempre NULL

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  • SQL - NULL

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Concursos Públicos Banco de Dados (SEFAZ-MG) Mind Map on SQL - NULL, created by Claudio Vicente on 05/09/2022.
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Claudio Vicente
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