MulaiMulai sekarang secara gratis

List the database tables

After you've successfully connected to a remote MySQL database, the next step is to see what tables the database contains. You can do this with the dbListTables() function. As you might remember from the video, this function requires the connection object as an input, and outputs a character vector with the table names.

Latihan ini adalah bagian dari kursus

Intermediate Importing Data in R

Lihat Kursus

Petunjuk latihan

  • Add code to create a vector tables, that contains the tables in the tweater database. You can connect to this database through the con object.
  • Display the structure of tables; what's the class of this vector?

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

# Load the DBI package
library(DBI)

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

# Build a vector of table names: tables


# Display structure of tables
Edit dan Jalankan Kode