(90% asked PL SQL Interview Questions) Answer: 1.To create unique index you must have CREATE ANY INDEX privilege.Here the concept is bit different.User needs to check the values of the table to create unique index.If table contains uniquely identified values in specified column then you shoul...
(Click here to skip to the list of common system design interview questions for fresher/junior candidates) Let's dig into these: 1. How would you design a social media app? For this question, you'll typically be asked to design a specific app, such as YouTube, Instagram, etc. For thi...
Method of interview Online survey Supplementary notes Original question: "Which programming, scripting, and markup languages have you done extensive development work in over the past year, and which do you want to work in over the next year? (If you both worked with the language and want to...
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In this post, we will list out the most frequently asked test automation framework interview questions and answers
There are many databases that use SQL. They are all pretty similar, but each uses a slightly different version of the SQL language. Here are some common SQL databases with a few details about them: MySQL Free and open-source Available for all major platforms ...
And as such, I know what it's like to be asked to whip up brilliant algorithms on the spot and then write flawless code on a whiteboard. I've been through this as a candidate and as an interviewer. Cracking the Coding Interview, 6th Edition is here to help you through this process,...
have experience writing Postgres functions, triggers, and advanced SQL queries have written Slack bots have worked in early stage start ups Lambda School is an equal opportunity employer, and acts in this capacity without regard to race, color, religion, sex, national origin, age, or disability...
It’s technically a database or a data source but it pulls you away from having to build things like SQL queries or to have to build the forms that you might have to have built very custom in the past. And the getting started is literally now just templatized and you know, moving ...
SELECT ( queries that return exactly one row) Q #8) When do we use triggers? Answer:The word ‘Trigger’ means to activate. In PL/SQL, the trigger is a stored procedure that defines an action taken by the database when the database-related event is performed. ...