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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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