2020-07-10
595 reads
2020-07-10
595 reads
Joe Obbish takes a deep look at a clustered columnstore index insertion scenario: Why should we care about memory grant timeouts for CCI insert queries? Simply put, lots of...
2019-04-17
Building (or rebuilding) a Columnstore index can be a resource intensive operation. In this article, Denzil Ribeiro describes the index rebuild process and index maintenance for clustered Columnstore indexes in SQL 2014.
2015-07-31
2,990 reads
The Clustered columnstore index generates "unable to find index entry" error and a memory dump after few DMLs on the table
2014-09-02
2,390 reads
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
I’m excited to announce the release of a new open-source project that fully automates...
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
Comments posted to this topic are about the item AI Experience Gap that we...
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) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers