Andrew Loree

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A Last Minute Trip to the EU

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My life has some crazy travel stretches for sure. Between speaking, office visits, customer...

Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency

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In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...

Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework

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I’m excited to announce the release of a new open-source project that fully automates...

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Alamat BCA KCP Ampera Telp/Wa (+62) 821-8200-233

By layanan_Bca88

Call Cs 08218200233 Gedung Aurum, Jl. Ampera Raya No.37, RT.8/RW.2, Cilandak Tim., Ps. Minggu,...

Alamat BCA KCP Ambasador Telp/Wa (+62) 821-8200-203

By m4rt1n4

Call CS 08218200203 Mal & Apartemen Ambasador, Jl. Prof. DR. Satrio No.R.18 Lt Dasar,...

ORDER BY alias

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Question of the Day

ORDER BY alias

There is a table tmp_tab: 

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression: 
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

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