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Today we learn about redis Hash, What is it, Command of hash, Redis hashes is map or dictionaries data structure. Each hash in Redis is associated with a key, and the key can be used to access the value, add value, modify value or remove fields.
in short the Hashes in redis:
Key with named […]
Create, Alter and Drop Table Cassandra
Table in Cassandra is a collection of ordered (by name) columns fetched by row. A row consists of columns and have a primary key. The first part of the key is a column name. Subsequent parts of a compound key are other column names that define the […]
In this tutorial we learn how to manage user in database cassandra. Setting the cassandra database using username and password authentication. Learn how to login using default username and password cassandra, create user with or without password, create user superuser and nosuperuser, modifying user and dropping user.
Create user
Syntax for create […]
# Spring Boot Using Hikari Connection Pool Connection Pool
In software engineering, a connection pool is a cache of database connections maintained so that the connections can be reused when future requests to the database are required. Connection pools are used to enhance the performance of executing commands on a database. Opening and maintaining […]
