python sqlite3 tutorial

import sqlite3 conn = sqlite3.connect('example.db') c = conn.cursor() # Create table c.execute('''CREATE TABLE stocks (date text, trans text, symbol text, qty real, price real)''') # Insert a row of data c.execute("INSERT INTO stocks VALUES ('2006-01-05','BUY','RHAT',100,35.14)") # Save (commit) the changes conn.commit() # We can also close the connection if we are done with it. # Just be sure any changes have been committed or they will be lost. conn.close()

python sqlite3 database

import sqlite3

# Create database
conn = sqlite3.connect('tablename.db')
c = conn.cursor()
c.execute('''CREATE TABLE tablename(id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, number REAL)''')
conn.commit()
conn.close()

# Insert Values
conn = sqlite3.connect('tablename.db')
c = conn.cursor()
c.execute("INSERT INTO tablename VALUES (?, ?)", (name, number))
conn.commit()
conn.close()

# Read Values
conn = sqlite3.connect('tablename.db')
c = conn.cursor()

for row in c.execute('SELECT * FROM tablename'):
	print(row)

number = [row[2] for row in c.execute('SELECT * FROM tablename')]
conn.close()

Posted by: Guest on June-27-2021

import sqlite3 try: sqliteConnection = sqlite3.connect('SQLite_Python.db') cursor = sqliteConnection.cursor() print("Database created and Successfully Connected to SQLite") sqlite_select_Query = "select sqlite_version();" cursor.execute(sqlite_select_Query) record = cursor.fetchall() print("SQLite Database Version is: ", record) cursor.close() except sqlite3.Error as error: print("Error while connecting to sqlite", error) finally: if (sqliteConnection): sqliteConnection.close() print("The SQLite connection is closed")

import sqlite3 as lite import sys try: con = lite.connect('products.db') cur = con.cursor() cur.execute("CREATE TABLE drinks(Id INTEGER PRIMARY KEY AUTOINCREMENT, Name TEXT, Price REAL)") cur.execute("CREATE TABLE fruits(Id INTEGER PRIMARY KEY AUTOINCREMENT, Name TEXT, Price REAL)") con.commit() except e: if con: con.rollback() print("Unexpected error %s:" % e.args[0]) sys.exit(1) finally: if con: con.close()

import sqlite3 con = sqlite3.connect('example.db') cur = con.cursor() # Create table cur.execute('''CREATE TABLE stocks (date text, trans text, symbol text, qty real, price real)''') # Insert a row of data cur.execute("INSERT INTO stocks VALUES ('2006-01-05','BUY','RHAT',100,35.14)") # Save (commit) the changes con.commit() # We can also close the connection if we are done with it. # Just be sure any changes have been committed or they will be lost. con.close()

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