SQL Data Manipulation and Formatting Quiz
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SQL Data Manipulation and Formatting Quiz

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Questions and Answers

What does 'TO_CHAR(b.imported_at, 'DD.MM.YYYY')' do?

  • Converts the 'imported_at' date to a string in 'DD.MM.YYYY' format (correct)
  • Calculates the duration since the 'imported_at' date
  • Returns the 'imported_at' date as it is
  • Converts the 'imported_at' date to a different format

    • What does 'CONCAT_WS' function do?

  • Concatenates strings with a specified separator (correct)
  • Compares two strings
  • Counts the number of characters in a string
  • Returns the position of a substring in a string

    • What does 'CASE WHEN' statement do in the given context?

  • Counts the occurrences of a specific condition
  • Provides conditional logic to return different values based on 'b.status' (correct)
  • Filters the data based on 'b.status'
  • Groups the data based on 'b.status'

    • What does 'TO_CHAR(b.pd_birth_date, 'DD.MM.YYYY')' do?

    <p>Converts the 'pd_birth_date' to a string in 'DD.MM.YYYY' format</p> Signup and view all the answers

    What does 'b.id_identity_type = 'PASSPORT'' represent in the given context?

    <p>It checks if 'id_identity_type' is equal to 'PASSPORT'</p> Signup and view all the answers

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