> For the complete documentation index, see [llms.txt](https://anon-coders-notes.gitbook.io/techwriterdev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anon-coders-notes.gitbook.io/techwriterdev/database.md).

# Database

- [SQL](https://anon-coders-notes.gitbook.io/techwriterdev/database/sqlinterviewquestions.md)
- [NoSQL](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql.md)
- [Cassandra](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/cassandra.md)
- [Basics](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/cassandra/00_introduction.md)
- [MongoDb](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb.md)
- [Mongo db Basics](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/01_introduction.md)
- [Mongo DB Atlas](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/02_mongodb_atlas.md)
- [Document](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/03_undestandingdocuments.md)
- [Import-Export based on Data Format](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/04_import_export.md)
- [Mongo Shell Commands](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/05_mongoshell_commands.md)
- [Query Operators](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/06_queryoperators.md)
- [Indexes](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/07_indexes.md)
- [Upsert](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/08_upsert.md)
- [MongoDB Aggregation Framework](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/09_aggregationframework_001.md)
- [Aggregation Framework Operators](https://anon-coders-notes.gitbook.io/techwriterdev/database/nosql/mongodb/09_aggregationframework_operators.md)
- [SQL](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql.md)
- [Normalization](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/normalization.md)
- [Normalization Forms](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/normalization/basics.md)
- [PostgreSQL](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/postgresql.md)
- [POSTGRE SQL DataTypes](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/postgresql/01_datatypes.md)
- [About table](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/postgresql/02_table_operation.md)
- [Constraints](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/postgresql/03_constraints.md)
- [Indexes in PostgreSQL](https://anon-coders-notes.gitbook.io/techwriterdev/database/sql/postgresql/04_indexes.md)