Sleep Paralysis Uncovered Praveen Tiwari 22:10 Sleep Paralysis Uncovered Sleep Well Sleep Paralysis Uncovered If you've ever felt like you couldn't move or speak while dozing off or waking up, you've experienced sleep paralysis. Find out more about this mysterious condition and if it's ever a sign of something serious. Read More 11 Steps to Easier Wake-ups Plan a morning splurge, fuel up with energy foods, and try these other tips to help make waking up less of a chore. Read More Resolve to Be Kind to Yourself See our ideas for healthy, relaxing indulgences that cost less than $15. When indulgence comes this cheap, you can afford to try more than one. Read More Tips for Getting Your Kids to Bed Learn why it’s important for kids to get the right amount of sleep and nine ways you can help them get to bed. Read More Sleep Better When You Have a Cold or the Flu Use a vaporizer, drink or eat something hot, and other practical tips for sleeping well, even when you’re sick. Read More Signs You Could Have a Mood Disorder Being unusually talkative could point to bipolar disorder. Too much or too little sleep may signal something else. See common warning signs. Read More Top Picks This Keeps 1 in 3 Americans Up at Night Problems With Sex? It Could Be Sleep Apnea Good Excuses to Cuddle From Our Sponsor The Struggles of Addiction: Recovery Is Possible ADVERTISEMENT ADVERTISEMENT WebMD.com | Mobile Apps | Unsubscribe You are receiving this message because you registered with WebMD as praveenmca002@gmail.com. If you did not register for WebMD please contact our Customer Care Team WebMD Privacy Policy © 2018 WebMD, LLC. All rights reserved.WebMD Office of Privacy | 1201 Peachtree Street, NE | Atlanta, GA 30361
What is alternate, artificial, compound and natural key? Alternate Key: Excluding primary keys all candidate keys are known as Alternate Keys. Artificial Key: If no obvious key either stands alone or compound is available, then the last resort is to, simply create a key, by assigning a number to each record or occurrence. This is known as artificial key. Compound Key: When there is no single data element that uniquely defines the occurrence within a construct, then integrating multiple elements to create a unique identifier for the construct is known as Compound Key. Natural Key: Natural key is one of the data element that is stored within a construct, and which is utilized as the primary key. 05:31
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