Como resolver a expressão ausente ORA-00936

Descrição

Causa de ORA-00936:expressão ausente

Lista de verificação a ser executada para resolver o erro de expressão ausente ORA-00936

Select from mrp_details;

select from mrp_details;
ERROR at line 1:
ORA-00936: missing expression

Select col1,col2 from mrp_details; 

select distinct a, b,c,d, distinct e from tab_example
where b=’ABCD’ and c =1 and d= ‘JOHN’
ERROR at line 1:
ORA-00936: missing expression

select a, b,c,d, distinct e from tab_example
where b=’ABCD’ and c =1 and d= ‘JOHN’
ERROR at line 1: ORA-00936: missing expression

select distinct a, b,c,d, e from tab_example
where b=’ABCD’ and c =1 and d= ‘JOHN’

select 2**8 from dual; 
select 2**8 from dual;
ERROR at line 1: ORA-00936: missing expression

select power(2,3) from dual;
POWER(2,3)
--------
8

select dept_name||' '|| from dept;
select dept_name||' '|| from dept
ERROR at line 1: ORA-00936: missing expression

select dept_name||' '||dept_no from dept;

select dept_no, dept_name, ,dept_location from dept_table;
select dept_no, dept_name, ,dept_location from dept_table;
ERROR at line 1: ORA-00936: missing expression

select dept_no, dept_name, ,dept_location where dept_name like ‘A%’;
select dept_no, dept_name, ,dept_location where dept_name like ‘A%’;
ERROR at line 1: ORA-00936: missing expression

select dept_no, dept_name, ,dept_location from dept_table where dept_name like ‘A%’;

insert into table1 (col1,col2) values as select col1,col2 from table2;
ERROR at line 1: ORA-00936: missing expression

insert into table1 (col1,col2) select col1,col2 from table2;