Delimiting keywords or special characters
Delimit the table or column name with special characters
Select * from firm’s_address;
Select * from “firm’s_address”;
Delimiting table or column name which is a reserved word as well
Say you have a table named table or you want to create a table with name which is also a keyword, You have to include the name table in pair of double quotes “table”
Select * from table; Above query will fail with syntax error, where as below query will run fine.
Select * from “table”;