insetr sql code example

Example 1: sql insert

-- Note: This is specifically for SQL - Oracle
-- ---------------------------------------------------------------
-- OPTION 1: Insert specific values (other values will be null)

-- syntax 
INSERT INTO <TABLE_NAME> (<column1>,<column2>,<column3>,...) 
VALUES (<value1>,<value2>,<value3>,...);

-- example
INSERT INTO SALES (SALE_ID,ITEM_ID,QUANTITY,AMOUNT)
VALUES (631,13,4,59.99);
-- ---------------------------------------------------------------
-- OPTION 2: Insert a value for every field

-- syntax
INSERT INTO <TABLE_NAME> VALUES (<value1>,<value2>,...,<valueN>);

-- example (SALES table only consists of 4 columns)
INSERT INTO SALES VALUES (631,13,4,59.99);
-- ---------------------------------------------------------------

Example 2: insert a select statement into a table

--format
INSERT INTO Customers (CustomerName, City, Country)
SELECT SupplierName, City, Country FROM Suppliers;

--examples
INSERT INTO Customers (CustomerName, City, Country)
SELECT SupplierName, City, Country FROM Suppliers;

Example 3: insert select

INSERT INTO table2
SELECT * FROM table1
WHERE condition;

Example 4: insert query in sql

INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);