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  • PowerExchange for CDC and Mainframe 10.4.1
  • Todos os produtos

Sumário

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  1. Prefácio
  2. Introdução ao PowerExchange
  3. Arquivo de Configuração DBMOVER
  4. Trabalhos Netport
  5. Logs de Mensagens do PowerExchange e Substituições de Destinos
  6. Log de estatísticas do SMF e Relatórios
  7. Segurança do PowerExchange
  8. Suporte a Secure Sockets Layer
  9. Segurança de Rede Alternativa do PowerExchange
  10. SQL Não Relacional do PowerExchange
  11. Globalização do PowerExchange
  12. Usando os Drivers ODBC do PowerExchange
  13. Tipos de Dados e Matriz de Conversão do PowerExchange
  14. Apêndice A: Carimbos de Data/Hora DTL__CAPXTIMESTAMP
  15. Apêndice B: Glossário do PowerExchange

Manual de Referência

Manual de Referência

Anterior Avançar

Usando SQL com Campos Definidos pelo Usuário

Usando SQL com Campos Definidos pelo Usuário

Não use a palavra-chave SQL 'DISTINCT' se o mapa de dados incluir campos definidos pelo usuário. A tentativa de usar DISTINCT com campos definidos pelo usuário causa uma mensagem no arquivo de log 'SELECT DISTINCT não garantido com Expressões'.
Se DISTINCT for essencial para uma consulta, a melhor abordagem será criar outra tabela no mapa de dados que contenha apenas os campos que são de fato necessários para essa consulta.