sql insert query

1--sql insert quest example
2INSERT INTO table_name (column1, column2, column3, ...)
3VALUES (value1, value2, value3, ...); 

1-- Note: This is specifically for SQL - Oracle
2-- ---------------------------------------------------------------
3-- OPTION 1: Insert specific values (other values will be null)
4
5-- syntax 
6INSERT INTO <TABLE_NAME> (<column1>,<column2>,<column3>,...) 
7VALUES (<value1>,<value2>,<value3>,...);
8
9-- example
10INSERT INTO SALES (SALE_ID,ITEM_ID,QUANTITY,AMOUNT)
11VALUES (631,13,4,59.99);
12-- ---------------------------------------------------------------
13-- OPTION 2: Insert a value for every field
14
15-- syntax
16INSERT INTO <TABLE_NAME> VALUES (<value1>,<value2>,...,<valueN>);
17
18-- example (SALES table only consists of 4 columns)
19INSERT INTO SALES VALUES (631,13,4,59.99);
20-- ---------------------------------------------------------------

1INSERT INTO TABLE_NAME [(column1, column2, column3,...columnN)]   
2VALUES (value1, value2, value3,...valueN); 

1INSERT INTO table2
2SELECT * FROM table1
3WHERE condition;

1INSERT INTO table_name (a, b) VALUES (val1, val2); 
2INSERT INTO table_name (a, b) VALUES (val1, val2), (val3, val4); -- 2 rows
3
4-- From a query:
5INSERT INTO table_name (a, b) 
6	SELECT val1 AS a, val2 AS b 
7    FROM source_table s
8	WHERE s.val1 >= 10;

1-- sql insert using string format 
2
3        -- you dont need to do this unless you want to specify what
4                  --    columns you want to insert
5                                 ⬇️
6String = "INSERT INTO Marcas (yourcolumn) VALUES(if your value is string use 'your string' and if is a number you dont use the '')";
7
8-- exemple:     
9                                                -- because my idcostumer just allows numbers   and that is a text one and i use the ''                                    
10                                                         --    and i dont use the ''
11                                                                          ⬇️                             ⬇️  
12ssql = "INSERT INTO Costumer (idcostumer, costumername) VALUES("textboxidcostumer.Text + ", '" + textboxname.Text + "')";