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Insert numpy array into a sqlite3 database
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import sqlite3 | |
import numpy | |
# Array of 4 columns and 100 rows | |
data = numpy.random.rand(100, 4) | |
# Create a sample database | |
conn = sqlite3.connect('/tmp/sample.db') | |
cursor = conn.cursor() | |
# Create a new table with four columns | |
cursor.execute('''create table data (field1 real, field2 real, field3 real, field4 real)''') | |
conn.commit() | |
# Insert the data array into the 'data' table | |
cursor.executemany('''insert into data values (?, ?, ?, ?)''', map(tuple, data.tolist())) | |
conn.commit() | |
cursor.close() | |
conn.close() |
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