Prashanth Jayaram

Technology enthusiast with 7+ years of experience in Database Technology. I am Microsoft Certified Professional with certificates of OCA, MCP, MCTS, MCITP developer, MCITP administration and backed with a degree in Master of Computer Application. My expertise lies in T-SQL programming, Replication, PowerShell and Performance Tuning. Hobbies are Drawing, playing soccer and listening to Melodies songs.

Blog Post

MongoDB – Insert,Update,Upsert and Delete Examples – CRUD

In MongoDB we have to use either insert() or save() method to add the document to a collection

Insert Single document
> db.employee.insert( 
    {"employee_id":1101, 
    "name":"Prashanth", 
    "sal":90000, 
    "dob": newDate(1983,2,3,5,20), 
    "department": 
        [ 
            'DB Amdin','DB Developer' 
        ], 
    "Location":"New York"});
Insert Multiple...

2016-04-20

737 reads

Blog Post

MongoDB -Get Total datasize of all DB’s

var sum = 0; db.getMongo().getDBs()[“databases”].forEach(function(x) { sum += db.getMongo().getDB(x.name).stats().dataSize }); print(sum );

OR
db = db.getSiblingDB(“admin”);
dbs = db.runCommand({ “listDatabases”: 1 }).databases;
var sum1=0;dbs.forEach(function(database) { sum1+=db.getMongo().getDB(database.name).stats().dataSize }); print(sum1);

2016-04-11

443 reads

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Question of the Day

String Similarity II

What is the range for the result from the EDIT_DISTANCE_SIMILARITY() function in SQL Server 2025?

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