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- create database IDONT;
- use IDONT;
- CREATE TABLE Companies(
- ID_company integer identity(1,1),
- name_company varchar(100),
- country varchar(50),
- address_companies varchar(100),
- value_company float,
- PRIMARY KEY (ID_company)
- );
- CREATE TABLE Fees (
- fee_class integer identity(1,1),
- fee_value float CHECK (fee_value >= 0 AND fee_value <= 1),
- PRIMARY KEY (fee_class)
- );
- CREATE TABLE Person (
- ID_person integer identity(1,1),
- name_person varchar(50),
- surname_person varchar(50),
- country varchar(60),
- address_person varchar(100),
- phone_person varchar(9) CHECK (phone_person LIKE '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'),
- PRIMARY KEY (ID_person)
- );
- CREATE TABLE Personal_Account (
- ID_person integer,
- ammount integer,
- currency varchar(3) CHECK (currency IN ('PLN','EUR','USD')),
- PRIMARY KEY (ID_person, currency),
- FOREIGN KEY (ID_person) REFERENCES Person ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Stocks(
- ID_stock integer identity(1,1),
- ID_company integer,
- prince_open float,
- prince_close float,
- lastest_trade float,
- quantity integer,
- PRIMARY KEY (ID_stock),
- FOREIGN KEY (ID_company) REFERENCES Companies ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Asks (
- ID_ask integer identity(1,1),
- ID_person integer,
- ID_stock integer,
- date_ask DATETIME,
- price_ask float,
- quantity_ask integer,
- PRIMARY KEY (ID_ask),
- FOREIGN KEY (ID_stock) REFERENCES Stocks ON DELETE CASCADE ON UPDATE CASCADE,
- FOREIGN KEY (ID_person) REFERENCES Person ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Bids (
- ID_bid integer identity(1,1),
- ID_person integer,
- ID_stock integer,
- date_bid DATETIME,
- price_bid float,
- quantity_bid integer,
- PRIMARY KEY (ID_bid),
- FOREIGN KEY (ID_stock) REFERENCES Stocks ON DELETE CASCADE ON UPDATE CASCADE,
- FOREIGN KEY (ID_person) REFERENCES Person ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Personal_Stocks (
- ID_person integer,
- ID_stock integer,
- date_of_buy DATETIME,
- quantity integer,
- price_per_one integer,
- PRIMARY KEY (ID_stock, date_of_buy),
- FOREIGN KEY (ID_person) REFERENCES Person ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Quotes (
- ID_quote integer identity(1,1),
- ID_ask integer,
- ID_bid integer,
- ID_stock integer,
- date_creation DATETIME,
- quantity integer,
- ask_price float,
- bid_price float,
- last_price float,
- PRIMARY KEY (ID_quote),
- FOREIGN KEY (ID_stock) REFERENCES Stocks ON DELETE CASCADE ON UPDATE CASCADE,
- FOREIGN KEY (ID_ask) REFERENCES Asks,
- FOREIGN KEY (ID_bid) REFERENCES Bids
- );
- CREATE TABLE Transactions (
- ID_transaction integer identity(1,1),
- ID_quote integer,
- ID_stock integer,
- quantity integer,
- date_transaction DATETIME,
- fee_value float,
- value_transaction float,
- PRIMARY KEY (ID_transaction),
- FOREIGN KEY (ID_quote) REFERENCES Quotes ON DELETE CASCADE ON UPDATE CASCADE,
- FOREIGN KEY (ID_stock) REFERENCES Stocks
- );
- CREATE TABLE Operation (
- ID_operation integer identity(1,1),
- ID_person integer,
- currency varchar(3) CHECK (currency IN ('PLN','EUR','USD')),
- type_operation varchar(50),
- date_operation DATETIME,
- balance integer,
- PRIMARY KEY (ID_operation),
- FOREIGN KEY (ID_person, currency) REFERENCES Personal_Account ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Dividends(
- ID_stock integer,
- ID_company integer,
- announcment_date DATETIME,
- exdividend_date DATETIME,
- record_date DATETIME,
- payment_date DATETIME,
- PRIMARY KEY (ID_stock, announcment_date),
- FOREIGN KEY (ID_company) REFERENCES Companies,
- FOREIGN KEY (ID_stock) REFERENCES Stocks ON DELETE CASCADE ON UPDATE CASCADE
- );
- CREATE TABLE Turnovers(
- date_turnovers DATETIME,
- ID_stock integer,
- quantity integer,
- value_tunover float,
- highest_value float,
- lowest_value float,
- last_trade float,
- PRIMARY KEY (ID_stock, date_turnovers),
- FOREIGN KEY (ID_stock) REFERENCES Stocks ON DELETE CASCADE ON UPDATE CASCADE
- );
- /*
- SELECT 'DROP TABLE [' + name + '];'
- FROM sys.tables;
- DROP TABLE [Turnovers];
- DROP TABLE [Dividends];
- DROP TABLE [Operation];
- DROP TABLE [Transactions];
- DROP TABLE [Quotes];
- DROP TABLE [Personal_Stocks];
- DROP TABLE [Bids];
- DROP TABLE [Asks];
- DROP TABLE [Personal_Account];
- DROP TABLE [Person];
- DROP TABLE [Stocks];
- DROP TABLE [Fees];
- DROP TABLE [Companies];
- */
- SELECT * FROM Companies;
- SELECT * FROM Fees;
- SELECT * FROM Stocks;
- SELECT * FROM Person;
- SELECT * FROM Personal_Account;
- SELECT * FROM Asks;
- SELECT * FROM Bids;
- SELECT * FROM Personal_Stocks;
- SELECT * FROM Quotes;
- SELECT * FROM Transactions;
- SELECT * FROM Operation;
- SELECT * FROM Dividends;
- SELECT * FROM Turnovers;
- -- COMPANIES FULLFILMENT
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('LAB DOCU', 'Germany', 'Berlin, Haub Strasse 38', 549002);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('PETRO BEN', 'Norway', 'Oslo, Haluub 10', 48289902);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('SHARKIO', 'USA', 'NewYork, Kowalsky 22', 234221);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('JUPYTERIA', 'Poland', 'Gdansk, Grunwaldzka 19', 20321232);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('LAPORAD', 'Iceland', 'Reyjkavik, Viking Strasse 99', 1929103);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('KUKURUMBU', 'Mexico', 'Mexico, Salsa 55', 104322);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('JP RANGERS', 'Ukraine', 'Lvov, Herlanga 12', 3440981);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('SPEAKAX', 'France', 'Lyon, Parlasse 4', 325921);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('RANDA PANDA', 'China', 'Bejing, Suanga 0990', 312629001);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('LAKKU', 'Spain', 'Barcelona, Larrata 68', 102223);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('NUVE LABE', 'France', 'Paris, Lallo 1', 1002307);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('RUBIBI', 'Poland', 'Warsaw, Poznanska 23', 564203);
- INSERT INTO Companies (name_company, country, address_companies, value_company) VALUES ('LANDOX', 'Poland', 'Sopot, Koronna 11', 12223023);
- -- FEES FULLFILMENT
- INSERT INTO Fees (fee_value) VALUES (0.08);
- INSERT INTO Fees (fee_value) VALUES (0.1);
- INSERT INTO Fees (fee_value) VALUES (0.14);
- INSERT INTO Fees (fee_value) VALUES (0.15);
- INSERT INTO Fees (fee_value) VALUES (0.19);
- INSERT INTO Fees (fee_value) VALUES (0.24);
- -- PERSON FULLFILMENT
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Tomasz','Jakowy','Poland','Gdansk, Kamienna 21','292322118');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Adam','Lapar','Poland','Wroclaw, Lotnikow 1','852048201');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Leon','Podloga','Poland','Warsaw, Jagiellonska 82','829290403');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Dawid','Robota','Poland','Leszon, Opolna 13','990823312');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Bartek','Podrak','Poland','Sopot, Walna 91','526237872');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Waldemar','Rabat','Poland','Bydgoszcz, Polna 4','627389442');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Aleksander','Nowak','Poland','Gdansk, Cicha 82','526482930');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Daniel','Mak','Poland','Poznan, Rabiego 11','551662838');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Marek','Walka','Poland','Jackowo, Robocza 9','515672773');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Andrzej','Barszcz','Poland','Kolonia, Czarna 16','413223434');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Wojtek','Polak','Poland','Cracow, Waleczna 41','549929030');
- INSERT INTO Person (name_person, surname_person, country, address_person, phone_person) VALUES ('Natan','Warek','Poland','Gdansk, Wietrzna 84','334989221');
- -- PERSONAL ACCOUNTS FULLFILMENT
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (1, 1920, 'PLN');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (1, 5465446, 'EUR');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (2, 4536, 'PLN');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (2, 4532, 'USD');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (1, 1945320, 'USD');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (2, 197720, 'EUR');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (3, 78, 'PLN');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (4, 1454, 'PLN');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (3, 78675, 'EUR');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (5, 7733, 'PLN');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (3, 7373, 'EUR');
- INSERT INTO Personal_Account (ID_person, ammount, currency) VALUES (4, 98981, 'USD');
- -- STOCKS FULLFILMENT
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (1, 41.32, 43.21, 43.21, 500);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (2, 103.21, 102.23, 102.23, 10000);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (3, 12.10, 14.08, 14.08, 1000);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (4, 43.32, 47.51, 47.51, 8000);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (5, 33.01, 35.15, 35.15, 3000);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (6, 7.33, 8.20, 8.20, 100);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (7, 55.65, 55.84, 55.84, 2700);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (8, 84.21, 79.34, 79.34, 400);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (9, 121.34, 126.45, 126.45, 40000);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (10, 28.22, 29.10, 29.10, 100);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (11, 18.22, 18.19, 18.19, 500);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (12, 74.01, 78.22, 78.22, 500);
- INSERT INTO Stocks (ID_company, prince_open, prince_close, lastest_trade, quantity) VALUES (13, 102.04, 113.48, 113.48, 1000);
- -- ASKS FULLFILMENT
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (1,2, 2019-12-08, 102.25, 5);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (1,4, 2019-12-08, 44.11, 10);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (2,3, 2019-12-08, 12.25, 10);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (4,1, 2019-12-08, 42.65, 3);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (5,6, 2019-12-08, 7.66, 100);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (4,4, 2019-12-08, 44.36, 8);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (3,6, 2019-12-08, 6.59, 100);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (1,12, 2019-12-08, 76.82, 2);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (5,5, 2019-12-08, 32.21, 5);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (5,9, 2019-12-08, 125.35, 15);
- INSERT INTO Asks (ID_person, ID_stock, date_ask, price_ask, quantity_ask) VALUES (3,10, 2019-12-08, 13.29, 20);
- -- BIDS FULLFILMENT
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (1,7, 2019-12-08, 56.55, 5);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (4,2, 2019-12-08, 103.45, 5);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (1,3, 2019-12-08, 12.45, 10);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (3,4, 2019-12-08, 44.51, 20);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (5,1, 2019-12-08, 42.85, 40);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (3,2, 2019-12-08, 104.21, 5);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (4,9, 2019-12-08, 125.82, 10);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (2,10, 2019-12-08, 14.33, 20);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (4,8, 2019-12-08, 80.21, 15);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (1,6, 2019-12-08, 8.01, 80);
- INSERT INTO Bids (ID_person, ID_stock, date_bid, price_bid, quantity_bid) VALUES (2,5, 2019-12-08, 33.11, 30);
- -- QUOTES FULLFILMENT
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES (1,2,2, 2019-12-08, 5, 102.25, 103.45, 103.32);
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES ( 2, 4, 4, 2019-12-08, 10, 44.11, 44.51, 44.69);
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES (3,3,3, 2019-12-08, 10, 12.25, 12.45, 12.38);
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES (4,5,1, 2019-12-08, 3, 42.65, 42.85, 42.79);
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES (5,10,6, 2019-12-08, 80, 7.66, 8.01, 8.03);
- INSERT INTO Quotes (ID_ask, ID_bid, ID_stock, date_creation, quantity, ask_price, bid_price, last_price) VALUES (11,8,10, 2019-12-08, 20, 13.29, 14.33, 13.99);
- -- PERSONAL_STOCKS FULLFILMENT
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (1, 2, 2019-12-08, 5, 103.45);
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (1, 4, 2019-12-08, 10, 44.51);
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (2, 3, 2019-12-08, 10, 12.45);
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (4, 1, 2019-12-08, 3, 42.85);
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (5, 6, 2019-12-08, 80, 8.01);
- INSERT INTO Personal_Stocks (ID_person, ID_stock, date_of_buy, quantity, price_per_one) VALUES (3, 10, 2019-12-08, 20, 14.33);
- -- TRANSACTIONS FULLFILMENT
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (1, 2, 5, 2019-12-08, 0.1, 568.97);
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (2, 4, 10, 2019-12-08, 0.08, 480.70);
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (3, 3, 10, 2019-12-08, 0.1, 136.95);
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (4, 1, 3, 2019-12-08, 0.14, 146.54);
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (5, 6, 80, 2019-12-08, 0.24, 794.59);
- INSERT INTO Transactions (ID_quote, ID_stock, quantity, date_transaction, fee_value, value_transaction) VALUES (6, 10, 20, 2019-12-08, 0.15, 329.59);
- -- DIVIDENDS FULLFILMENT
- INSERT INTO Dividends (ID_stock, ID_company, announcment_date, exdividend_date, record_date, payment_date) VALUES (1, 1, 2019-12-08, 2019-12-18, 2019-12-08, 2019-12-18);
- INSERT INTO Dividends (ID_stock, ID_company, announcment_date, exdividend_date, record_date, payment_date) VALUES (3, 3, 2019-12-08, 2019-12-18, 2019-12-08, 2019-12-18);
- INSERT INTO Dividends (ID_stock, ID_company, announcment_date, exdividend_date, record_date, payment_date) VALUES (5, 5, 2019-12-08, 2019-12-18, 2019-12-08, 2019-12-18);
- INSERT INTO Dividends (ID_stock, ID_company, announcment_date, exdividend_date, record_date, payment_date) VALUES (4, 4, 2019-12-08, 2019-12-18, 2019-12-08, 2019-12-18);
- -- TURNOVERS FULLFILMENT
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 2, 5, 1.2,103.45, 102.25, 103.45);
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 4, 10, 0.58, 44.69, 44.11, 44.51);
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 3, 10, 0.2, 12.45, 12.25, 12.45);
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 1, 3, 0.2, 42.85, 42.65, 42.85);
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 6, 80, 0.37, 8.03, 7.66, 8.01);
- INSERT INTO Dividends (date_turnovers, ID_stock, quantity, value_tunover, highest_value, lowest_value, last_trade) VALUES (2019-12-08, 10, 20, 1.04, 14.33, 13.29, 14.33);
- -- OPERATION FULLFILMENT
- INSERT INTO Operation (ID_person, currency, type_operation, date_operation, balance) VALUES (6, 10, 20, 2019-12-08, 0.15, 329.59);
- CREATE TABLE table1(
- id_1 int identity(1,1),
- atr1a int,
- atr1b int,
- PRIMARY KEY (id_1),
- );
- CREATE TABLE table2(
- id_2 int identity(1,1),
- id_1 int,
- atr12 varchar(3),
- PRIMARY KEY (id_2),
- FOREIGN KEY (id_1) REFERENCES table1 ON DELETE CASCADE,
- CONSTRAINT CHK_Person CHECK (atr12 IN ('PLN','EUR','USD'))
- );
- DROP TABLE table1;
- DROP TABLE table2;
- INSERT INTO table1 (atr1a, atr1b) VALUES (12, 12);
- INSERT INTO table1 (atr1a, atr1b) VALUES (14, 14);
- INSERT INTO table2 (id_1, atr12) VALUES (1, 'USD');
- SELECT * FROM table1;
- SELECT * FROM table2;
- DELETE FROM table1
- WHERE id_1=1;
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