Abstract: The lack of information within relational databases expressed as NULL values presents a problem in ensuring the quality of data and the information retrieved by SQL queries. This is so ...
1. List the teachers who have NULL for their department. Why we cannot use = You might think that the phrase dept=NULL would work here but it doesn't - you can use ...
What a great last few days for PowerApps! I hope you have been enjoying the announcements in the Spring Update Blog bundle. Have you seen Satya’s video? This blog doesn’t quite rise to the level of ...
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