Questions tagged [main-memory-database]
8 questions
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Loading a Database Table to Memory to Use
In a search application, I need to keep track of the files and their locations. Currently am using a database table for this, but since I have to connect to the db every time I need to retrieve such data, this is obviously not efficient. Is there a…

Izza
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Where base and limit registers are located?
Where base and limit registers are located?
Are there in CPU or somewhere else?
Base and limit addresses are different for each process. So, how can CPU knows the value of these registers for each process?
EDIT:
Every process has a place on…

Celik
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3 answers
Main Memory Database with C++ Interface
I am looking for a main memory database with a C++ interface. I am looking for a database with a programmatic query interface and preferably one that works with native C++ types. SQLLite, for example, takes queries as string and needs to perform…

myahya
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Which one is Faster in Writing to a file?
I have very less experience of working on large files and constraints about memory.
Please note that I am using Java as programming language.
I have to find records in file size of 15GB and then write result to another file. Basically it is a…

Basmah
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JDBC compatible Main Memory Standalone database
I need a high performance main memory database for my Java Application
1] Please suggest the database which is
-JDBC compliant
-Standalone(i.e. Flat-File)
-supporting memory tables
-High performance
-B-TREE indexing
2] Is there…

Vivek
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What is CPBTree in SAP HANA?
I'm studying SAP HANA main memory database.
There is index called CPBTree in it. In it's document, it is described as follows:
CPB+-tree stands for Compressed Prefix B+-Tree; this index tree type
is based on pkB-tree. CPB+-tree is a very small…

Ali dashti
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PostgreSQL benchmarking over a RAMdisk?
I have been considering the idea of moving to a RAMdisk for a while. I know its risks, but just wanted to do a little benchmark. I just had two questions: (a) when reading the query plan, will it still differentiate between disk and buffers hits? If…

Zeruno
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Main-Memory Secondary-Memory Objects
I have a situation where I want to do some DB-related operations in a Java application (e.g. on Eclipse). I use MySQL as a RDBMS and Hibernate as an ORM provider.
I retreive all records using embedded SQL in Java:
//Define conncections…
Alex