Need a counter of the number of occurrences in a column.
Hello world.
I have 2 tables. A table is a simple table with the columns NAME and ID (unique). Table B has a lot of columns, but also a column called matching NAME of a constraint on Table A ID FK.
For a report, I need to create view with columns... ID and COUNT.
Basically, for each ID in table A, I need to get the number of times it appears in the name column of the Table B.
What is the best way to do this in Oracle PL SQL. I have version 11g, 10.3.6.
Thank you
CREATE OR REPLACE FORCE VIEW 'NAMES_VIEW' ('ID', 'COUNT') AS
Select A.ID AS 'ID', COUNT (A.ID) AS 'COUNT '.
of TABLE A, TABLE B
where A.ID = B.ID
B.NAME GROUP
/
Tags: Database
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(
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) AS end_date
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)
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