There Must Be 15 Ways To Lose Your Cursors… Part 2
Learn to use Where, Claire. Plus a conversion methodology, a test harness and more!
2010-07-02 (first published: 2009-04-27)
28,198 reads
RBarry Young
- Interests: Programming, Design, SQL, Mathematics, Logic, Set Theory, mentoring, Effective Knowledge Transfer, Speaking, Sci-Fi, Theology, Peace, Love and Understanding.
There Must Be 15 Ways To Lose Your Cursors... part 1, Introduction
Learn how to leave those Cursors and loops in the thrash, Nash... An article from longtime contributor and SQL expert, Barry Young.
2010-06-30 (first published: 2009-04-14)
33,738 reads
The Sixty-Second Guide to becoming a SQL Server DBA
So you want to be a DBA, but don't know where to start learning what you need to know? R. Barry Young brings you a sixty second guide for how to get moving.
2009-12-04
16,516 reads
Just For Fun: An Impossible Delete
How can you delete only some duplicates? Without Identity's, Temp tables, Cursors, loops or ROW_NUMBER()? Would you believe, go back to the 70's?
2009-10-30 (first published: 2008-08-05)
32,545 reads
2008-08-07
3,844 reads
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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;
GOWhat happens if you execute the following statements?
select STRING_AGG(field1, ';') within group (order by id) from t0;
select STRING_AGG(field2, ';') within group (order by id) from t0;