I have a table that in one column it have values separated by |, I need to sum those values to know the total value. example 5|4|3 = 12. I thinked that if I replace the | for a + symbol, that should work. But it doenst work.
Here is my code to create the table and what I am using to sum the values.
CREATE TABLE [dbo].[test_table](
[totals] [varchar](255) NULL
) ON [PRIMARY]
GO
--*******************
INSERT INTO [dbo].[test_table]
([totals])
-- VALUES
(
select ('1|5|13')
union
select ('1|5|13')
union
select ('0|0|2')
union
select ('1|1|7')
union
select ('1|1|13')
union
select ('1|1|13')
union
select ('0|0|3')
union
select ('0|0|1')
union
select ('0|0|4')
union
select ('1|1|9'))
GO
select
tot
--sum(tot) as total
--CONVERT(numeric, tot)
from
(
select totals,
replace(totals,'|','+') as tot
from test_table
) qry
SQL Server does not support macro substitution nor does if have an EVAL(). If you don't want to go with Dynamic SQL and your requirement is a simple aggregation, consider a CROSS APPLY in concert with a string_split()
Example
Select *
From [test_table] A
Cross Apply (
Select SumTotal = sum(try_convert(int,value))
from string_split(Totals,'|') B1
) B
Returns
totals SumTotal
0|0|1 1
0|0|2 2
0|0|3 3
0|0|4 4
1|1|13 15
1|1|7 9
1|1|9 11
1|5|13 19
Related
I have a table in a database and one of the columns of the table is of the format AAA-BBBBBBB-CCCCCCC(in the table below column Id) where A, B and C are all numbers (0-9). I want to write a SELECT query such that for this column I only want the values in the format BBBBBBB-CCCCCCC. I am new to SQL so not sure how to do this. I tried using SPLIT_PART on - but not sure how to join the second and third parts.
Table -
Id
Name
Age
123-4567890-1234567
First Name
199
456-7890123-4567890
Hulkamania
200
So when the query is written the output should be like
Output
4567890-1234567
7890123-4567890
As mentioned in the request comments, you should not store a combined number, when you are interested in its parts. Store the parts in separate columns instead.
However, as the format is fixed 'AAA-BBBBBBB-CCCCCCC', it is very easy to get the substring you are interested in. Just take the string from the fifth position on:
select substr(col, 5) from mytable;
You can select the right part of a column starting at the 4th character
SELECT RIGHT(Id, LEN(Id)-4) AS TrimmedId;
Another option using regexp_substr
with x ( c1,c2,c3 ) as
(
select '123-4567890-1234567', 'First Name' , 199 from dual union all
select '456-7890123-4567890', 'Hulkamania' , 200 from dual
)
select regexp_substr(c1,'[^-]+',1,2)||'-'||regexp_substr(c1,'[^-]+',1,3) as result from x ;
Demo
SQL> with x ( c1,c2,c3 ) as
(
select '123-4567890-1234567', 'First Name' , 199 from dual union all
select '456-7890123-4567890', 'Hulkamania' , 200 from dual
)
select regexp_substr(c1,'[^-]+',1,2)||'-'||regexp_substr(c1,'[^-]+',1,3) as result from x ; 2 3 4 5 6
RESULT
--------------------------------------------------------------------------------
4567890-1234567
7890123-4567890
SQL>
I have a table with one column containing different integers.
For each integer in the table I would like to duplicate it as the number of digits -
For example:
12345 (5 digits):
1. 12345
2. 12345
3. 12345
4. 12345
5. 12345
I thought doing it using with recursion t (...) as () but I didn't manage, since I don't really understand how it works and what is happening "behind the scenes.
I don't want to use insert because I want it to be scalable and automatic for as many integers as needed in a table.
Any thoughts and an explanation would be great.
The easiest way is to join to a table with numbers from 1 to n in it.
SELECT n, x
FROM yourtable
JOIN
(
SELECT day_of_calendar AS n
FROM sys_calendar.CALENDAR
WHERE n BETWEEN 1 AND 12 -- maximum number of digits
) AS dt
ON n <= CHAR_LENGTH(TRIM(ABS(x)))
In my example I abused TD's builtin calendar, but that's not a good choice, as the optimizer doesn't know how many rows will be returned and as the plan must be a Product Join it might decide to do something stupid. So better use a number table...
Create a numbers table that will contain the integers from 1 to the maximum number of digits that the numbers in your table will have (I went with 6):
create table numbers(num int)
insert numbers
select 1 union select 2 union select 3 union select 4 union select 5 union select 6
You already have your table (but here's what I was using to test):
create table your_table(num int)
insert your_table
select 12345 union select 678
Here's the query to get your results:
select ROW_NUMBER() over(partition by b.num order by b.num) row_num, b.num, LEN(cast(b.num as char)) num_digits
into #temp
from your_table b
cross join numbers n
select t.num
from #temp t
where t.row_num <= t.num_digits
I found a nice way to perform this action. Here goes:
with recursive t (num,num_as_char,char_n)
as
(
select num
,cast (num as varchar (100)) as num_as_char
,substr (num_as_char,1,1)
from numbers
union all
select num
,substr (t.num_as_char,2) as num_as_char2
,substr (num_as_char2,1,1)
from t
where char_length (num_as_char2) > 0
)
select *
from t
order by num,char_length (num_as_char) desc
I am writing a query in which where clause have IN clause and there are large number of values in this IN clause , I want to fetch the result such that if there is no value exist in table for value given in IN clause then a raw containing 0 or null should return for that value. for example..
select age,sex,date_joining from emp where name IN ('amit','john','paul','dilip')
Now assume for this query ,data for john and paul does not exist in database then result should be like below..
21 male 21-AUG-2011
null null null
null null null
25 male 9-aug-2010
we can also have 0 instead of null if null is not possible
Thanks...
select filter.name
, emp.age
, emp.sex
, emp.date_joining
from (
values ('amit'), ('john'), ('paul'), ('dilip')
) filter(name)
left join
emp
on emp.name = filter.name
Live example at SQL Fiddle.
For older values of SQL Server, replace the line with values by:
from (
select 'amit'
union all select 'john'
union all select 'paul'
union all select 'dilip'
) filter(name)
You can also use common table expression to get this result:
;With AllEmpDetails as
(
Select [Name] from emp
UNION Select 'amit'
UNION Select 'john'
UNION Select 'paul'
UNION Select 'dilip'
)Select AllEmpDetails.Name, e2.Age, e2.Sex, e2.date_joining
from AllEmpDetails
Left Join emp e2 on e2.[Name] = AllEmpDetails.Name
In my database, I have already added details for amit and dilip so i have used UNION since you can easily get the detail about the available employees. On the other hand you can use UNION ALL with Distinct.
How can I find a missing values from a set of values, using SQL (Oracle DB)
e.g.
SELECT NAME
FROM ACCOUNT
WHERE ACCOUNT.NAME IN ('FORD','HYUNDAI','TOYOTA','BMW'...)
(The "IN" clause may contain hundreds of values)
If 'HYUNDAI' is missing in the ACCOUNT table, I need to get the result as "HYUNDAI".
Currently I use the result of the above query to do a Vlookup against the original set of values to find the missing values, I want to directly get the missing values without doing the Vlookup.
Thanks
Kiran,
You got it reversed. Do this: http://www.sqlfiddle.com/#!2/09239/3
SELECT Brand
FROM
(
-- Oracle can't make a row without a table, need to use DUAL dummy table
select 'FORD' as Brand from dual union
select 'HYUNDAI' from dual union
select 'TOYOTA' fom dual union
select 'BMW' from dual
) x
where Brand not in (select BrandName from account)
Sample Account data:
create table account(AccountId int, BrandName varchar(10));
insert into account(AccountId, BrandName) values
(1,'FORD'),
(2,'TOYOTA'),
(3,'BMW');
Output:
| BRAND |
-----------
| HYUNDAI |
Better yet, materialized the brands to a table:
select *
from Brand
where BrandName not in (select BrandName from account)
Output:
| BRANDNAME |
-------------
| HYUNDAI |
Sample data and live test: http://www.sqlfiddle.com/#!2/09239/1
CREATE TABLE Brand
(`BrandName` varchar(7));
INSERT INTO Brand
(`BrandName`)
VALUES
('FORD'),
('HYUNDAI'),
('TOYOTA'),
('BMW');
create table account(AccountId int, BrandName varchar(10));
insert into account(AccountId, BrandName) values
(1,'FORD'),
(2,'TOYOTA'),
(3,'BMW');
You should use Except: EXCEPT returns any distinct values from the left query that are not also found on the right query.
WITH SomeRows(datacol) --It will look for missing stuff here
AS( SELECT *
FROM ( VALUES ('FORD'),
('TOYOTA'),
('BMW')
) AS F (datacol)),
AllRows (datacol) --This has everthing
AS( SELECT *
FROM ( VALUES ('FORD'),
('HYUNDAI'),
('TOYOTA'),
('BMW')
) AS F (datacol))
SELECT datacol
FROM AllRows
EXCEPT
SELECT datacol
FROM SomeRows
You can do:
SELECT a.val
FROM
(
SELECT 'FORD' val UNION ALL
SELECT 'HYUNDAI' UNION ALL
SELECT 'TOYOTA' UNION ALL
SELECT 'BMW' UNION ALL
etc...
etc...
) a
LEFT JOIN account b ON a.val = b.name
WHERE b.name IS NULL
This worked perfectly, thanks Michael.
SELECT Brand
FROM
( -- Oracle can't make a row without a table, need to use DUAL dummy table
select 'FORD' as Brand from dual union
select 'HYUNDAI' from dual union
select 'TOYOTA' fom dual union
select 'BMW' from dual
)
where Brand not in (select BrandName from account)
Luxspes and Zane thank you for your inputs
Contributing Excel code to make the typing of the answer easier:
Say column A has the values (Ford, Hyundai,...).
In column B, put this in every cell:
select 'x' as brand from dual union
In column C, write this formula, and copy it down.
=REPLACE(A2,9,1,A1)
All of the select/union statements should appear in column C.
I'm using a numbers matching table, from one upwards. However, I realize I need to start at zero instead. Can't figure it out..
CREATE TABLE IF NOT EXISTS util_nums (n integer primary key
autoincrement not null);
insert into util_nums(n) select null from (select 0 as n union select 1
union select 2 union select 3 union select 4 union select 5 union select 6
union select 7 union select 8 union select 9 union select 10) a
cross join
(select 0 as n union select 1 union select 2 union select 3 union select 4
union select 5 union select 6 union select 7 union select 8 union select 9
union select 10) b
cross join (select 0 as n union select 1 union select 2
union select 3 union select 4 union select 5 union select 6 union select 7
union select 8 union select 9 union select 10) c;
in sql server it would be easy if you create your table like this
CREATE TABLE util_nums (n as int primary key
identity(0,1) not null,anotherfieldtoholdthenulls integer);
the identity(0,1) means start from zero and increment by 1 ..
update
try using UPDATE SQLITE_SEQUENCE SET seq = -1 WHERE name = 'util_nums' before starting the insert, and see if it is allowed....
You should also be able to do INSERT INTO util_nums VALUES(0)
Sqlite allows you to insert explicit values for the primary key fields:
insert into util_nums(n) values (0);
to Get a lot more rows insert quickly try this after that..
insert into util_nums default values;
insert into util_nums(n) select null from util_nums a, util_nums b, util_nums c, util_nums d;
insert into util_nums(n) select null from util_nums a, util_nums b, util_nums c, util_nums d;
you can temporarly disable auto increment using
SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
But I
suggest update value to 0 after insert
If you're useing SQLite you should probably read this http://www.sqlite.org/autoinc.html . This caught my eye:
If the table has never before
contained any data, then a ROWID of 1
is used.
It doesn't seem to be any way to force autoincrement to start from something other than 1. Also note that it may generate gaps by skipping numbers.
This may work but I have no means of testing at the moment:
Add a row with an ID of -1. Then delete it. It isn't clear from the documentation what happens when you have only negative IDs in the table.
"SQLite Autoincrement"
The important part seems to be...
If no negative ROWID values are inserted explicitly, then automatically
generated ROWID values will always be greater than zero.
So? Create the table, insert a dummy record, with a forced id of -1, and then insert your data. Deleting the dummy record afterwards as/if necessary.
(Inserting a value with -1 will force the next inserted rwo to have an id of 0, assuming the table was otherwise empty.)
SQLite allows you to specify a value here.
Just insert c.n - 1, from your cartesian product, instead of null, and call it a day.