2. Which SQL command do you use to create a table by describing its la In Database, What is the difference between DELETE and TRUNCATE? Explain what are the key capabilities of NoSQL can do? Why are databases i
Empowering data-driven organizations requires the right tools and practices—and a boss who gets it. Here's how to explain critical data concepts to your CEO.
What is the difference between class and id in HTML? What are the advantages of distributed data processing? How is a wireless network the same as a wired network and how is it different? What is Mahout in big data? What are the four characteristics of algorithms?
There is a lot of information available when using the explain() method. It provides some great information about how queries areactuallybeing run and gives an indication as to where a collection can benefit from an index. It should be your first stop when examining slow queries before moving ...
So the takeaway is that you don’t have to care if map loops or not, or how it loops, or in some languages how many threads it uses. If you are using a map method on an array, or on a library Promise or Observable, or anything else, it will do what it has to do to transfor...
MongoDBis a modernNoSQLdatabasesystem,Microsoft Excelis aspreadsheetprogram from Microsoft, which is sometimes used as a database system (rarely a good choice). Some piece that works so nobody asks any questions Writing any non-trivial piece of software always requires a phase ofdebugging, whic...
Explain what are the key capabilities of NoSQL can do? What is the difference between NULL and DEFAULT? What is rule-based classification? Explain the disadvantages of IPv4. Define black hat hacker Describe at least 2 social, political, and economic effects of the digital revolution. Explain if...