data query oracle simple summons please help.
Basically, I'm trying to get a number of people on columns. Im having a hell of a time acomplishing can someone throw me a BONE I know there must be a way to do this?the closest I came to an answer she
is it
select sum(managerCOUNT) manager, manager from
(
select count(manager) managerCount, count(lead) leadCount, manager, lead from project_1
group by manager, lead
)group by manager
Here is the table structure and datacreate table project_1 ( manager varchar2(250), lead varchar2(250) );
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JAM', 'JAM')
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('PMA', 'JAM')
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JB', 'JB')
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('SF', 'JB')
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JAM', 'JB')
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JB', 'JAM')
NAME MANAGER LEAD
JAM 2 3
JB 2 3
PMA 1 0
etc... you get the idea
Hello
mlov83 wrote:
Basically, I'm trying to get a number of people on columns. Im having a hell of a time acomplishing can someone throw me a BONE I know there must be a way to do this?
Thus, every person, whether a Manager or a lead or both, gets a line?
You probably have a table where there is one line per person, and a foreign key constraint allows you as only denter someone such as a Manager or a lead if they are already in the table. If you do not, you can generate a game on the fly, as I did below, but it's always a good idea to have a separate, real results table.
the closest I came to an answer she
is itselect sum(managerCOUNT) manager, manager from ( select count(manager) managerCount, count(lead) leadCount, manager, lead from project_1 group by manager, lead )group by manager
Thanks for posting that! It is always useful to see what you've tried.
Here is the table structure and data
create table project_1 ( manager varchar2(250), lead varchar2(250) );
The LEAD is the name of a built-in function, is not a very good column name. Use something like leader or project_instead.
INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JAM', 'JAM') INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('PMA', 'JAM') INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JB', 'JB') INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('SF', 'JB') INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JAM', 'JB') INSERT INTO "PROJECT_1" (MANAGER, LEAD) VALUES ('JB', 'JAM')
NAME MANAGER LEAD JAM 2 3 JB 2 3 PMA 1 0 etc... you get the idea
With the sample data you posted correct results do not include only 1 row? Which is much easier to say "etc... you get the idea" as saying:
SF 1 0
Here's a way to get the desired results:
WITH all_people AS
(
SELECT manager AS name
FROM project_1
UNION
SELECT project_lead AS nmae
FROM project_1
)
SELECT a.name
, COUNT (CASE WHEN a.name = p.manager THEN 1 END) AS manager
, COUNT (CASE WHEN a.name = p.project_lead THEN 1 END) AS project_lead
FROM all_people a
JOIN project_1 p ON a.name IN (p.manager, p.project_lead)
GROUP BY a.name
;
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