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01_create_and_fill_database.py
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01_create_and_fill_database.py
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import sqlite3
import os
# File path
database_file_path = './sql_lite_database.db'
# Check if database file exists and delete if it does
if os.path.exists(database_file_path):
os.remove(database_file_path)
message = "File 'sql_lite_database.db' found and deleted."
else:
message = "File 'sql_lite_database.db' does not exist."
# Step 1: Connect to the database or create it if it doesn't exist
conn = sqlite3.connect(database_file_path)
# Step 2: Create a cursor
cursor = conn.cursor()
# Step 3: Create tables
create_table_query1 = """
CREATE TABLE IF NOT EXISTS "AGENTS"
(
"AGENT_CODE" CHAR(6) NOT NULL PRIMARY KEY,
"AGENT_NAME" CHAR(40),
"WORKING_AREA" CHAR(35),
"COMMISSION" NUMBER(10,2),
"PHONE_NO" CHAR(15),
"COUNTRY" VARCHAR2(25)
);
"""
create_table_query2 = """
CREATE TABLE IF NOT EXISTS "CUSTOMER"
( "CUST_CODE" VARCHAR2(6) NOT NULL PRIMARY KEY,
"CUST_NAME" VARCHAR2(40) NOT NULL,
"CUST_CITY" CHAR(35),
"WORKING_AREA" VARCHAR2(35) NOT NULL,
"CUST_COUNTRY" VARCHAR2(20) NOT NULL,
"GRADE" NUMBER,
"OPENING_AMT" NUMBER(12,2) NOT NULL,
"RECEIVE_AMT" NUMBER(12,2) NOT NULL,
"PAYMENT_AMT" NUMBER(12,2) NOT NULL,
"OUTSTANDING_AMT" NUMBER(12,2) NOT NULL,
"PHONE_NO" VARCHAR2(17) NOT NULL,
"AGENT_CODE" CHAR(6) NOT NULL REFERENCES AGENTS
);
"""
create_table_query3 = """
CREATE TABLE IF NOT EXISTS "ORDERS"
(
"ORD_NUM" NUMBER(6,0) NOT NULL PRIMARY KEY,
"ORD_AMOUNT" NUMBER(12,2) NOT NULL,
"ADVANCE_AMOUNT" NUMBER(12,2) NOT NULL,
"ORD_DATE" DATE NOT NULL,
"CUST_CODE" VARCHAR2(6) NOT NULL REFERENCES CUSTOMER,
"AGENT_CODE" CHAR(6) NOT NULL REFERENCES AGENTS,
"ORD_DESCRIPTION" VARCHAR2(60) NOT NULL
);
"""
queries = [create_table_query1, create_table_query2, create_table_query3]
# queries = [create_table_query1, create_table_query2]
for query in queries:
# execute queries
cursor.execute(query)
# Step 4: Insert data into tables Agents, Orders and Customers
insert_query = """
INSERT INTO AGENTS VALUES ('A007', 'Ramasundar', 'Bangalore', '0.15', '077-25814763', '');
INSERT INTO AGENTS VALUES ('A003', 'Alex ', 'London', '0.13', '075-12458969', '');
INSERT INTO AGENTS VALUES ('A008', 'Alford', 'New York', '0.12', '044-25874365', '');
INSERT INTO AGENTS VALUES ('A011', 'Ravi Kumar', 'Bangalore', '0.15', '077-45625874', '');
INSERT INTO AGENTS VALUES ('A010', 'Santakumar', 'Chennai', '0.14', '007-22388644', '');
INSERT INTO AGENTS VALUES ('A012', 'Lucida', 'San Jose', '0.12', '044-52981425', '');
INSERT INTO AGENTS VALUES ('A005', 'Anderson', 'Brisban', '0.13', '045-21447739', '');
INSERT INTO AGENTS VALUES ('A001', 'Subbarao', 'Bangalore', '0.14', '077-12346674', '');
INSERT INTO AGENTS VALUES ('A002', 'Mukesh', 'Mumbai', '0.11', '029-12358964', '');
INSERT INTO AGENTS VALUES ('A006', 'McDen', 'London', '0.15', '078-22255588', '');
INSERT INTO AGENTS VALUES ('A004', 'Ivan', 'Torento', '0.15', '008-22544166', '');
INSERT INTO AGENTS VALUES ('A009', 'Benjamin', 'Hampshair', '0.11', '008-22536178', '');
INSERT INTO CUSTOMER VALUES ('C00013', 'Holmes', 'London', 'London', 'UK', '2', '6000.00', '5000.00', '7000.00', '4000.00', 'BBBBBBB', 'A003');
INSERT INTO CUSTOMER VALUES ('C00001', 'Micheal', 'New York', 'New York', 'USA', '2', '3000.00', '5000.00', '2000.00', '6000.00', 'CCCCCCC', 'A008');
INSERT INTO CUSTOMER VALUES ('C00020', 'Albert', 'New York', 'New York', 'USA', '3', '5000.00', '7000.00', '6000.00', '6000.00', 'BBBBSBB', 'A008');
INSERT INTO CUSTOMER VALUES ('C00025', 'Ravindran', 'Bangalore', 'Bangalore', 'India', '2', '5000.00', '7000.00', '4000.00', '8000.00', 'AVAVAVA', 'A011');
INSERT INTO CUSTOMER VALUES ('C00024', 'Cook', 'London', 'London', 'UK', '2', '4000.00', '9000.00', '7000.00', '6000.00', 'FSDDSDF', 'A006');
INSERT INTO CUSTOMER VALUES ('C00015', 'Stuart', 'London', 'London', 'UK', '1', '6000.00', '8000.00', '3000.00', '11000.00', 'GFSGERS', 'A003');
INSERT INTO CUSTOMER VALUES ('C00002', 'Bolt', 'New York', 'New York', 'USA', '3', '5000.00', '7000.00', '9000.00', '3000.00', 'DDNRDRH', 'A008');
INSERT INTO CUSTOMER VALUES ('C00018', 'Fleming', 'Brisban', 'Brisban', 'Australia', '2', '7000.00', '7000.00', '9000.00', '5000.00', 'NHBGVFC', 'A005');
INSERT INTO CUSTOMER VALUES ('C00021', 'Jacks', 'Brisban', 'Brisban', 'Australia', '1', '7000.00', '7000.00', '7000.00', '7000.00', 'WERTGDF', 'A005');
INSERT INTO CUSTOMER VALUES ('C00019', 'Yearannaidu', 'Chennai', 'Chennai', 'India', '1', '8000.00', '7000.00', '7000.00', '8000.00', 'ZZZZBFV', 'A010');
INSERT INTO CUSTOMER VALUES ('C00005', 'Sasikant', 'Mumbai', 'Mumbai', 'India', '1', '7000.00', '11000.00', '7000.00', '11000.00', '147-25896312', 'A002');
INSERT INTO CUSTOMER VALUES ('C00007', 'Ramanathan', 'Chennai', 'Chennai', 'India', '1', '7000.00', '11000.00', '9000.00', '9000.00', 'GHRDWSD', 'A010');
INSERT INTO CUSTOMER VALUES ('C00022', 'Avinash', 'Mumbai', 'Mumbai', 'India', '2', '7000.00', '11000.00', '9000.00', '9000.00', '113-12345678','A002');
INSERT INTO CUSTOMER VALUES ('C00004', 'Winston', 'Brisban', 'Brisban', 'Australia', '1', '5000.00', '8000.00', '7000.00', '6000.00', 'AAAAAAA', 'A005');
INSERT INTO CUSTOMER VALUES ('C00023', 'Karl', 'London', 'London', 'UK', '0', '4000.00', '6000.00', '7000.00', '3000.00', 'AAAABAA', 'A006');
INSERT INTO CUSTOMER VALUES ('C00006', 'Shilton', 'Torento', 'Torento', 'Canada', '1', '10000.00', '7000.00', '6000.00', '11000.00', 'DDDDDDD', 'A004');
INSERT INTO CUSTOMER VALUES ('C00010', 'Charles', 'Hampshair', 'Hampshair', 'UK', '3', '6000.00', '4000.00', '5000.00', '5000.00', 'MMMMMMM', 'A009');
INSERT INTO CUSTOMER VALUES ('C00017', 'Srinivas', 'Bangalore', 'Bangalore', 'India', '2', '8000.00', '4000.00', '3000.00', '9000.00', 'AAAAAAB', 'A007');
INSERT INTO CUSTOMER VALUES ('C00012', 'Steven', 'San Jose', 'San Jose', 'USA', '1', '5000.00', '7000.00', '9000.00', '3000.00', 'KRFYGJK', 'A012');
INSERT INTO CUSTOMER VALUES ('C00008', 'Karolina', 'Torento', 'Torento', 'Canada', '1', '7000.00', '7000.00', '9000.00', '5000.00', 'HJKORED', 'A004');
INSERT INTO CUSTOMER VALUES ('C00003', 'Martin', 'Torento', 'Torento', 'Canada', '2', '8000.00', '7000.00', '7000.00', '8000.00', 'MJYURFD', 'A004');
INSERT INTO CUSTOMER VALUES ('C00009', 'Ramesh', 'Mumbai', 'Mumbai', 'India', '3', '8000.00', '7000.00', '3000.00', '12000.00', 'Phone No', 'A002');
INSERT INTO CUSTOMER VALUES ('C00014', 'Rangarappa', 'Bangalore', 'Bangalore', 'India', '2', '8000.00', '11000.00', '7000.00', '12000.00', 'AAAATGF', 'A001');
INSERT INTO CUSTOMER VALUES ('C00016', 'Venkatpati', 'Bangalore', 'Bangalore', 'India', '2', '8000.00', '11000.00', '7000.00', '12000.00', 'JRTVFDD', 'A007');
INSERT INTO CUSTOMER VALUES ('C00011', 'Sundariya', 'Chennai', 'Chennai', 'India', '3', '7000.00', '11000.00', '7000.00', '11000.00', 'PPHGRTS', 'A010');
INSERT INTO ORDERS VALUES('200100', '1000.00', '600.00', '2008-08-01', 'C00013', 'A003', 'SOD');
INSERT INTO ORDERS VALUES('200110', '3000.00', '500.00', '2008-04-15', 'C00019', 'A010', 'SOD');
INSERT INTO ORDERS VALUES('200107', '4500.00', '900.00', '2008-08-30', 'C00007', 'A010', 'SOD');
INSERT INTO ORDERS VALUES('200112', '2000.00', '400.00', '2008-05-30', 'C00016', 'A007', 'SOD');
INSERT INTO ORDERS VALUES('200113', '4000.00', '600.00', '2008-06-10', 'C00022', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200102', '2000.00', '300.00', '2008-05-25', 'C00012', 'A012', 'SOD');
INSERT INTO ORDERS VALUES('200114', '3500.00', '2000.00', '2008-08-15', 'C00002', 'A008', 'SOD');
INSERT INTO ORDERS VALUES('200122', '2500.00', '400.00', '2008-09-16', 'C00003', 'A004', 'SOD');
INSERT INTO ORDERS VALUES('200118', '500.00', '100.00', '2008-07-20', 'C00023', 'A006', 'SOD');
INSERT INTO ORDERS VALUES('200119', '4000.00', '700.00', '2008-09-16', 'C00007', 'A010', 'SOD');
INSERT INTO ORDERS VALUES('200121', '1500.00', '600.00', '2008-09-23', 'C00008', 'A004', 'SOD');
INSERT INTO ORDERS VALUES('200130', '2500.00', '400.00', '2008-07-30', 'C00025', 'A011', 'SOD');
INSERT INTO ORDERS VALUES('200134', '4200.00', '1800.00', '2008-09-25', 'C00004', 'A005', 'SOD');
INSERT INTO ORDERS VALUES('200108', '4000.00', '600.00', '2008-02-15', 'C00008', 'A004', 'SOD');
INSERT INTO ORDERS VALUES('200103', '1500.00', '700.00', '2008-05-15', 'C00021', 'A005', 'SOD');
INSERT INTO ORDERS VALUES('200105', '2500.00', '500.00', '2008-07-18', 'C00025', 'A011', 'SOD');
INSERT INTO ORDERS VALUES('200109', '3500.00', '800.00', '2008-07-30', 'C00011', 'A010', 'SOD');
INSERT INTO ORDERS VALUES('200101', '3000.00', '1000.00', '2008-07-15', 'C00001', 'A008', 'SOD');
INSERT INTO ORDERS VALUES('200111', '1000.00', '300.00', '2008-07-10', 'C00020', 'A008', 'SOD');
INSERT INTO ORDERS VALUES('200104', '1500.00', '500.00', '2008-03-13', 'C00006', 'A004', 'SOD');
INSERT INTO ORDERS VALUES('200106', '2500.00', '700.00', '2008-04-20', 'C00005', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200125', '2000.00', '600.00', '2008-10-10', 'C00018', 'A005', 'SOD');
INSERT INTO ORDERS VALUES('200117', '800.00', '200.00', '2008-10-20', 'C00014', 'A001', 'SOD');
INSERT INTO ORDERS VALUES('200123', '500.00', '100.00', '2008-09-16', 'C00022', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200120', '500.00', '100.00', '2008-07-20', 'C00009', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200116', '500.00', '100.00', '2008-07-13', 'C00010', 'A009', 'SOD');
INSERT INTO ORDERS VALUES('200124', '500.00', '100.00', '2008-06-20', 'C00017', 'A007', 'SOD');
INSERT INTO ORDERS VALUES('200126', '500.00', '100.00', '2008-06-24', 'C00022', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200129', '2500.00', '500.00', '2008-07-20', 'C00024', 'A006', 'SOD');
INSERT INTO ORDERS VALUES('200127', '2500.00', '400.00', '2008-07-20', 'C00015', 'A003', 'SOD');
INSERT INTO ORDERS VALUES('200128', '3500.00', '1500.00', '2008-07-20', 'C00009', 'A002', 'SOD');
INSERT INTO ORDERS VALUES('200135', '2000.00', '800.00', '2008-09-16', 'C00007', 'A010', 'SOD');
INSERT INTO ORDERS VALUES('200131', '900.00', '150.00', '2008-08-26', 'C00012', 'A012', 'SOD');
INSERT INTO ORDERS VALUES('200133', '1200.00', '400.00', '2008-06-29', 'C00009', 'A002', 'SOD');
"""
for row in insert_query.splitlines():
try:
cursor.execute(row)
except:
print(f"An error occurred")
print(row)
# Step 5: Fetch data from tables
list_of_queries = []
list_of_queries.append("SELECT * FROM AGENTS")
list_of_queries.append("SELECT * FROM CUSTOMER")
list_of_queries.append("SELECT * FROM ORDERS")
# execute queries
for query in list_of_queries:
cursor.execute(query)
data = cursor.fetchall()
print(f"--- Data from tables ({query}) ---")
for row in data:
print(row)
# Step 7: Close the cursor and connection
cursor.close()
conn.commit()
conn.close()