mongoose schema types

Introduction MongoDB is a schema-less database. It is one of the reasons we use mongoose with it. Mongoose is an Object Modelling Library(ODM). Apart from providing schema, mongoose also provides Validation. Other features of mongoose are plugins, middleware, and population. MongoDB stores data in BSON. BSON in binary encoded JSON. It provides more data types … Continued

Postgres Loop Types

Introduction This lesson is a study of the various Postgres loop types available for use in database programming. The loop types we will learn about here include Loop, For Loop, and While Loop. We will also include some SQL examples of loops where we use the PostgreSQL array as part of queries. Prerequisites Understanding of … Continued

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