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This video helps to understand $slice for array used in the update method in MongoDB

This video helps to understand arrays and array operations in MongoDB.

This video will help beginners to understand MapReduce in MongoDB

This video help beginners to understand and use the aggregation framework in MongoDB.

This video will help to use explain method with find and how to check the query plan with and without indexing.

This video helps beginners to understand indexing in MongoDB

This video help beginner to understand update method with upsert and multi option and using save method.

This video helps beginners to use the database, create a collection, insert documents, retrieve documents, and drop a database using MongoDB.

This video helps beginners to understand error handling with continue handler using the cursor in stored procedure.

This video helps beginners to understand the error handling in a stored procedure and example of exit handler using a stored procedure.

This video is helpful for beginners to understand the concept of the trigger , how to write triggers, and use in the database.

This video is helpful to beginners for understanding and writing stored procedures with IN parameter.

This video helps to understand and use referential integrity constraints for beginners.

This video will help to understand how to design step by step Entitiy Relationship Model with example.

Types of Integrity Constraints

Data Definition Language MySQL

Difference between throw and throws in exception handling in Java.

Exception Handling in Java