MongoDB Coding Practice

Author: learning-zone

mongodb-code.md

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+# MongoDB Coding Practice
+
+## Q. ***Mention the command to insert a document in a database called school and collection called persons?***
+## Q. ***Mention the command to check whether you are on the master server or not?***
+## Q. ***How can I combine data from multiple collections into one collection?***
+## Q. ***How do I perform the SQL JOIN equivalent in MongoDB?***
+## Q. ***How to query MongoDB with %like%?***
+## Q. ***Find objects between two dates MongoDB?***
+## Q. ***How to query MongoDB with “like”?***
+## Q. ***Update MongoDB field using value of another field***
+## Q. ***How to check if a field contains a substring?***
+## Q. ***How to get the last N records from find?***
+## Q. ***MongoDB relationships. What to use - embed or reference?***
+## Q. ***How to remove a field completely from a MongoDB document?***
+## Q. ***By default, MongoDB writes and reads data from both primary and secondary replica sets. True or False.***
+## Q. ***How to find MongoDB records where array field is not empty?***
+## Q. ***Is it possible to update MongoDB field using value of another field?***
+## Q. ***How to find document with array that contains a specific value?***
+
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