Informatics Practices
In pandas.read_sql(<A>, <B>), <B> is
- connection name
- table name
- SQL query string
- database name
Python Pandas
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Answer
connection name
Reason — The <B> parameter in pandas.read_sql(<A>, <B>) represents the connection object or the database connection.
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Which of the following libraries let you establish a connection with a MySQL database from within Python ?
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In pandas.read_sql(<A>, <B>), <A> is
- connection name
- table name
- SQL query string
- database name
To suppress the creation of a column for index labels of a DataFrame, …………… argument is specified in to_sql().
- if_exists = False
- index = False
- index = True
- if_exists = True
To append the content of DataFrame in a table of MySQL, …………… argument is used in to_sql().
- if_exists = "Add"
- if_exists = "append"
- if_exists = Add
- if_exists = append