Check out example codes for "Insert Sql". It will help you in understanding the concepts better.

Code Example 1

-- 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);
-- ---------------------------------------------------------------

Code Example 2

--sql insert quest example
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);

Code Example 3

INSERT INTO table_name (column1, column2, column3, ...)

VALUES (value1, value2, value3, ...);

Code Example 4

INSERT INTO client (prenom, nom, ville, age)
 VALUES
 ('Rébecca', 'Armand', 'Saint-Didier-des-Bois', 24),
 ('Aimée', 'Hebert', 'Marigny-le-Châtel', 36),
 ('Marielle', 'Ribeiro', 'Maillères', 27),
 ('Hilaire', 'Savary', 'Conie-Molitard', 58);

Code Example 5

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

Code Example 6

INSERT INTO table2

SELECT * FROM table1
WHERE condition;

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