Answer / chiranjib

SELECT SUM( CASE WHEN A IS NULL THEN 1
ELSE
CASE WHEN B IS NULL THEN 1
ELSE
CASE WHEN C IS NULL THEN 1
ELSE
CASE WHEN D IS NULL THEN 1
ELSE
0
END
END
END
END ) Tot_Null
FROM T
/

Answer / kishore vakiti

select sum(decode(a,null,1))+
sum(decode(b,null,1))+
sum(decode(c,null,1))+
sum(decode(d,null,1)) tot_nulls from <TAB-NAME>;

Answer / kavitha neditunta

select
count(decode(val,null,1)) all_null_val
FROM
(select * from t1) UNPIVOT INCLUDE NULLS ( VAL for(
all_null_val) in ( a as 'a', b as 'b', c as 'c', d as 'd') )

Answer / sreenu

hi naren thank for your ans.

but here i am asking total count of null records. means how
many null values are there.

see above table having 4 null values. i want display "4".

please tell me sql query

sales persons should always receive commission of 100 at least. employees who r not sales persons should never receive commission.(Triggers)

1 Answers   Fidelity, Oracle,

---

What is auto increment in sql?

0 Answers  

---

Why do we use joins in sql?

0 Answers  

---

table name: prod there are three fields in the table that are 1.proddate 2.prodQty 3.model Day wise prodQty is stored in the table prod write a query to display total prodqty in the year 2004 april.

2 Answers   Maruti Suzuki,

---

When the mutating error will comes? and how it will be resolved?

2 Answers  

---

What is restrict in sql?

0 Answers  

---

What is the difference between Union and Union all. Which is faster.

0 Answers  

---

how to show all tables with 'mysql'? : Sql dba

0 Answers  

---

What do you mean by stored procedures?

0 Answers  

---

I have a procedure in a procedure. The inner procedure contains out parameter. How I can call the inner procedure in the out procedure and send the inner procedure parameter value(out parameter value) into out procedure?

2 Answers  

---

why we use nocopy?

2 Answers   Polaris,

---

i have one table with accounts and amounts as colums.accounts with columns c and d. and amounts with values 1000,2000,3000 for c and 4000,5000,8000 for d.i need to find the sum of these accounts c and d individually and find the differences between their sum using one select statement.

11 Answers   Ebix, Hewitt,

---