PostgreSQL – Recommendation document
dbversity_PostgreSQL_recommendation-doc Product Description: PostgreSQL is an open source object-relational database system. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. It is fully ACID compliant,…
Score Cards of MySQLDB vs MariaDB vs PostgreSQL
MySQLDB_MariaDB_PostgreSQL_ScoreCards MySQL #Scr MariaDB #Scr PostgreSQL #Scr MySQL application compatible open source RDBMS, enhanced with high availability, security, interoperability and performance capabilities Widely used open source RDBMS Based on the object relational DBMS Postgres …
Neo4j Installation
[ root @ dbversitydotcom : /neo4j ] ll -lhtr total 56M -rw-r–r– 1 root root 56M Oct 8 04:27 neo4j-enterprise-2.2.4-unix.tar [ root @ dbversitydotcom : /neo4j ] [ root @ dbversitydotcom : /neo4j ] [ root @ dbversitydotcom : /neo4j…
[Neo4j]: Your Free Ebook: Graph Databases – O’Reilly Media
O’Reilly’s Graph Databases is the first step to learning about graph databases and the power of data relationships. Please use the following links to access your free copy anytime: Graph Databases PDF .epub (Android, iBooks – iPhone, iPad) .mobi (Kindle)…
RethinkDB
What is RethinkDB? RethinkDB is the first open-source, scalable JSON database built from the ground up for the realtime web. It inverts the traditional database architecture by exposing an exciting new access model – instead of polling for changes, the…
MemSQL 4.1.7 – ODBC & JDBC Connectivity
Below document describe you on how to Install MemSQL 4.1.7 version and Connectivity test with MySQL JDBC and ODBC Drivers. Please refer to my previous posts for previous version setup documents for detailed information. [ root @ dbversity : /memsql/memsql-ops-4.0.31/memsql-ops…
[MongoDB]: XML to JSON conversion
If you are planning to use MongoDB, you would first need to convert the XML document into JSON format and then persist it to MongoDB. There are bunch of available open source tools that can convert XML to JSON. XML.java…
Mongo Ruby shards now available
If you have already imported the certificate then you can also use the below code (much simpler version). import com.mongodb.*; import javax.net.ssl.SSLSocketFactory; public class SSLApp1 { public static void main(String args[]) throws Exception { System.setProperty(“javax.net.ssl.trustStore”, …
shell script to know all Linux configuration
Does anyone have shell script to know all Linux configuration on a VM ? [ root @dbversity : ~ ] cat /etc/*release* Red Hat Enterprise Linux Server release 6.6 (Santiago) 6.6.GSF-A0 SOE Linux Release 10/30/14 Red Hat Enterprise Linux Server…
error while loading shared libraries: libnetsnmpagent.so.20: cannot open shared object file: No such file or directory
You’ll see below error while starting mongod instance, while you miss libnetsnmpagent.so.20 library files in your /usr/lib or /usr/lib64 folders. [ root @ vm-5cc5-bad6 : ~ ] ll -lhtr /usr/lib64/libnetsnmpagent.so.20 lrwxrwxrwx 1 root root 25 Mar 7 2015 /usr/lib64/libnetsnmpagent.so.20…