Ed

Ed Leighton-Dick is a SQL Server performance and architecture expert and Founder/Principal Consultant of Kingfisher Technologies, a consultancy focused on SQL Server performance, architecture, and security. He is a frequent volunteer with PASS, including roles as regional mentor, chapter leader of I-380 PASS SQL Server User Group, and organizer of SQL Saturday Iowa City. He can often be found teaching sessions at local, regional, and national events, including user groups, SQL Saturday events, and Iowa Code Camp. Ed can be reached through his blog, edleightondick.com, and on Twitter at @eleightondick.

Blog Post

Giving back [T-SQL Tuesday #102]

This post is part of the May 2018 T-SQL Tuesday blog challenge, “Giving Back“, from Riley Major. It’s been quite a while since I’ve participated in a T-SQL Tuesday....

2018-05-08

12 reads

Blogs

T-SQL Tuesday #202: 100 Hours

By

It’s time for T-SQL Tuesday again and this is a great prompt to start...

T-SQL Tuesday

By

T-SQL Tuesday is a monthly blog party hosted by a different community member each...

Exploring DiskANN: Part 2: PQ, SSDs, caching and beam search

By

How I used AI for this postChatGPT to generate images based on info specifically...

Read the latest Blogs

Forums

Alamat BCA KCP Menara Imperium Telp:0821-8200-233

By layanan_Bca88

Telp/Wa 62 821-8200-233 Jl. H. R. Rasuna Said No.Kav. 01, RW.6, Guntur, Kecamatan Setiabudi,...

Alamat BCA KCP Sejati Mulia Telp:0821-8200-203

By m4rt1n4

Telp/Wa 62 821-8200-203 Koperasi Sejati Mulia, Jl. Raya Ragunan B 1, RT.3/RW.3, Jati Padang,...

Alamat BCA KCP Graha Inti Fauzi Telp:0821-8200-174

By R4nt4u

Telp/Wa 62 821-8200-174 Gd. Graha Inti Fauzi, Jl. Buncit Raya No.22 Lt. Dasar, RT.2/RW.7,...

Visit the forum

Question of the Day

Adding new column with DEFAULT

Which number will the COUNT() return after executing the following statements:

DROP TABLE IF EXISTS #test;
CREATE TABLE #test (id INT)
INSERT INTO #test (id)
SELECT *
  FROM GENERATE_SERIES(1, 3) AS gs
;

ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0;
go
UPDATE #test SET flag = 0 WHERE id = 1
UPDATE #test SET flag = 1 WHERE id = 2

INSERT INTO #test (id) VALUES (4)

SELECT COUNT(*)
  FROM #test AS t
 WHERE flag = 0
 

See possible answers