Python Pandas Tutorial 14: Read Write Data From Database (read_sql, to_sql)
Pandas' read_sql, read_sql_table, read_sql_query methods provide a way to read records in database directly into a dataframe. to_sql on dataframe can be used to write dataframe records into sql table. Using sqlalchemy engine, one can interface easily with mysql, postgres, oracle databases.
Topics that are covered in this Python Pandas Video:
0:00 Introduction
0:53 Create sqlalchemy engine by using create_engine() method
2:16 Read table in data frame by using read_sql_table() method
4:18 Use read_sql_query() method to execute sql query
6:44 Rename the dataframe columns using rename()
8:00 Use to_sql() method write into sql table
10:30 Use read_sql() method
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