I am new to NoSql and DynamoDb, but from RDBMS..
My table is moving from MySql to DynamoDb. I have a table:
Customers (column: cid [ PK], name, contact information)
Hardware (column: hid [PK], n
Category: Nosql
NoSQL, generally refers to non-relational databases. With the rise of Internet web2.0 websites, traditional relational databases have been unable to cope with web2.0 websites, especially the super-large-scale and high-concurrency SNS-type web2.0 pure dynamic websites, which have exposed many insurmountable problems. The non-relational database has been developed very rapidly due to its own characteristics. NoSQL database was created to solve the challenges brought by multiple data types in large-scale data collections, especially big data application problems.
For structured data on a machine, NOSQL does the actual advantage for RDBMS?
So I have been trying to find out whether NoSQL really brings a lot of value beyond automatic sharding, and processed UNSTRUCTURED data.
Assuming I can install my STRUCTURED data on a single
Does NOSQL – CASSANDRA suitable for storage files?
I am developing a PHP platform that will use images, documents and any file format extensively, which will be in my mind, so I want to know if Cassandra is a good one for my needs The choice.
NOSQL – Cassandra file structure – How is the file used?
When trying to use Cassandra, I found that Cassandra will write the following files:
/…/cassandra/ commitlog/CommitLog-.log
/…/cassandra/data/Keyspace1/Standard1-1-Data.db
/…/cassandra/
Liu Wei: TIDB tool chain and ecology
This article is the content of “TiDB Tool Chain and Ecology” shared by Liu Yin, the head of PingCAP’s commercial product team, at TiDB DevCon2018 at the beginning of this year. It introduces the pe
NOSQL – How to build a real world relationship in a chart database (such as NEO4J)?
I have a general question about modeling in a graph database, and I can’t seem to surround my head.
How do you model this type of relationship: “Newton invented calculus”?
In simple gra
Why is the key value to NOSQL DB faster than a traditional relational database
I have suggested that I investigate the Key/Value data system to replace the relational database I have been using.
What I don’t know much about is how to improve query efficiency. From my un
NoSQL-Redis
Introduction
Redis is similar to Memcached and also belongs to kv data storage
Redis official website redis.io, the latest stable version 4.0.1
Supports more value types, in addition to string, it
Nosql – command such as SQL LIMIT in HBIT
Does HBase have any commands similar to SQL LIMIT queries?
I can execute through setStart and setEnd, but I don’t want to iterate all the rows.
hbase> scan’test-table’, {‘LIMIT’ => 5} S
Nosql – Sorting Date in CouchDB View
I have a nested JSON object for the following key states:
{
“2011-01-19 09:41: 00 AM”: “Prototype status application”,
“2011-01-20 09:41:00 AM”: “Play CouchDB”
}
This is a small appli