Heapq Module in Python: Using Heaps and Priority Queues
In this tutorial, learn about Python priority queues and heaps, how do they relate, and how to use the heapq module in Python.
2022-12-23
In this tutorial, learn about Python priority queues and heaps, how do they relate, and how to use the heapq module in Python.
2022-12-23
Does your database server need an upgrade? Steve notes that you might learn a bit about the best hardware to ensure a good ROI. Even if you wouldn't make a change for your own desktop machine.
2022-12-21
156 reads
n my last article “Updating SQL Server Data” I discussed using the UPDATE statement to change data in existing rows of a SQL Server table. In this article I will be demonstrating how to use the DELETE statement to remove rows from a SQL Server Table.
2022-12-21
2022-12-21
336 reads
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces three DAX Time Intelligence functions related to the End of Periods: ENDOFMONTH(), ENDOFQUARTER(), and ENDOFYEAR(). He discusses the syntax, uses and operation of each, and then provides hands-on exposure to the function in Power BI.
2026-04-15 (first published: 2022-12-21)
1,240 reads
Get a brief introduction to using the AI features in Power BI.
2022-12-19
18,960 reads
This tip will explain some mistakes SSIS developers usually make when designing ETL and how they should be avoided to help improve performance.
2022-12-19
2022-12-20 (first published: 2022-12-19)
471 reads
Learn how to control which SQL Server transaction will get rolled back when a deadlock occurs by using DEADLOCK_PRIORITY.
2022-12-19
2022-12-16
381 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 Server-Level Table sizes
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
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