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Query tweater (4)

There are also dedicated SQL functions that you can use in the WHERE clause of an SQL query. For example, CHAR_LENGTH() returns the number of characters in a string.

Diese Übung ist Teil des Kurses

Intermediate Importing Data in R

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Anleitung zur Übung

  • Create a data frame, short, that selects the id and name columns from the users table where the number of characters in the name is strictly less than 5.
  • Print short.

Interaktive Übung

Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.

# Connect to the database
library(DBI)
con <- dbConnect(RMySQL::MySQL(),
                 dbname = "tweater",
                 host = "courses.csrrinzqubik.us-east-1.rds.amazonaws.com",
                 port = 3306,
                 user = "student",
                 password = "datacamp")

# Create data frame short


# Print short
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