How to start postgresql server in windows 10?

784

Is there any difference between primary key and unique with the not null condition?

888

The application of the should retrieve data from your user’s mobile every five minutes and also the data keep in dynamodb, later on, a daily basis at a specific time the data is extracted into s3 on a per-user basis then your application is later wont to visualize the data to the user. The user is asked to optimize the design of the backend system to lower price, what would you recommend?

213

Why hbase is a schema-less database?

171

What is His?

982

Explain what would you do if your captain is not following the instructions properly?

979

Is arraylist dynamic in java?

933

Is wix better than wordpress?

162

You want to send a message to all connected users as “server is going down for maintenance”, what will you do?

1032

Which browsers does angular work with?

773

How many buckets can be created in s3?

175

How to write css for 3rd child of every

tags?

513

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What is a secured connection?

944

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Is outlook better than apple mail?

3

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What do you consider to be the most challenging thing about being an operations manager?

822

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