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What does this psql command do: \c MY_DATABASE
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The question asks what the psql command \c MY_DATABASE does. The single answer option provided states: 'Connects to the database called MY_DATABASE.' In psql, the backslash-command \c (short for \connect) is used to establish a new conne......Login to view full explanationLog in for full answers
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Connecting to the Database and Inspecting Its Structure In this step, you will set up your environment, connect to the database, and inspect its contents. Follow the instructions below to begin: Open RStudio: Go to File > New File > Script to create a new script. Clean the Environment and Load Required Libraries: Copy and run the following code in your script to clean your environment and load the necessary libraries: rm(list = ls()) library(DBI) library(RSQLite) library(sqldf) library(RMariaDB) Connect to the Database: Use the following function to establish a connection to the database: connect_database <- function(user, password, dbname, host, bigint = "integer") { con <- dbConnect(drv = RMariaDB::MariaDB(), user = user, password = password, dbname = dbname, host = host, bigint = bigint) print("Connected to database. Available tables:") print(dbListTables(con)) invisible(con) } db <- connect_database(user='student',password='cbasummer2020',dbname='stedmans',host='dadata.bensresearch.com') This function is designed to: Specify the database type, user credentials, and host address. Establish a connection to the database. List all available tables within the database. Inspect the Database: After running the code, look at the output in your RStudio console. The function will display a list of tables available in the database. Task: Answer the following question: How many tables do you see in this database?
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