Technical Article

Remove decimal places without rounding

There was a script here not too long ago which showed how to 'truncate' a number to two decimal places without rounding. This used a lot of casts to varchars and back.The solution worked, but I knew there had to be a way of doing exactly this without having to go back and forth between […]

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2005-08-08 (first published: )

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Question of the Day

STRING_AGG's behavior

Executing the following script (Sql Server 2022), you get the table t0 with 10 rows:
CREATE TABLE t0
( id     INT PRIMARY KEY
, field1 VARCHAR(1000)
, field2 VARCHAR(MAX));
INSERT INTO t0
SELECT
  gs.value
, REPLICATE ('X', 1000)
, REPLICATE ('Y', 1000)
FROM generate_series(1, 10, 1) gs;
GO
What happens if you execute the following statements?
  1. select STRING_AGG(field1, ';') within group (order by id)  from t0;
  2. select STRING_AGG(field2, ';') within group (order by id)  from t0;

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