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DML + subconsulta

DML + subconsulta. SUBCONSULTA SELECT WHERE atributo IN* (SELECT ...). COMBINAÇÃO. DML INSERT UPDATE DELETE. “Filtro” de DML. DML UPDATE tabela SET campo=valor WHERE campo=valor DELETE FROM tabela WHERE campo=valor. “Filtro” de DML. DML UPDATE tabela SET campo=valor

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DML + subconsulta

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  1. DML + subconsulta

  2. SUBCONSULTA SELECT WHERE atributo IN* (SELECT ...) COMBINAÇÃO • DML • INSERT • UPDATE • DELETE

  3. “Filtro” de DML • DML • UPDATE tabela SET campo=valor • WHERE campo=valor • DELETE FROM tabela • WHERE campo=valor

  4. “Filtro” de DML • DML • UPDATE tabela SET campo=valor • WHERE campo=valor • DELETE FROM tabela • WHERE campo=valor Usar para linkar com um conjunto ( subconsulta)

  5. “Filtro” de DML • DML • UPDATE tabela SET campo=valor • WHERE campo IN ( select ...) • DELETE FROM tabela • WHERE campo= (select MAX(cod) FROM tabela2)

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