Tag Archives: Delete all rows

Use of Delete query in MongoDB

Use of Delete query in MongoDB

Delete specific rows from the MongoDB
Delete specific data from tables(collection)

--In SQL query
DELETE FROM employees WHERE status = "D"

--In MongDB Query:
db.employees.remove( { status: "D" } )

Example:
Delete records from employees table which having status column value equal to N

-- Remove from employee collection
db.employees.remove( { status: "N" } )
Output:
WriteResult({ "nRemoved" : 1 })

Delete all data from table(collection)
Remove all data from MongoDB

-- In SQL Query in RDBMS
DELETE FROM employees;

-- In MongoDB query:
db.employees.remove({})

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