count ‘<table name>’
hbase(main):023:0> count 'emp'
2 row(s) in 0.090 seconds
⇒ 2
hbase> truncate 'table name'
hbase(main):011:0> truncate 'emp' Truncating 'one' table (it may take a while): -Disabling table... -Truncating table... 0 row(s) in 1.5950 seconds
hbase(main):017:0> scan ‘emp’ ROW COLUMN + CELL 0 row(s) in 0.3110 seconds