创建命名空间 booksystem
Create_namespace’booksystem’
创建表 bookinfo
Create ‘booksystem:bookinfo’,’info1’
追加列族 info2
Alter ‘booksystem:bookinfo’, ‘info2’
添加数据
Put ‘booksystem:bookinfo’,’101’,’info1:name’,hbase’
扫描出bookinfo的所有数据
Scan ‘booksystem:bookinfo’
获取前两行数据
Scan ‘booksystem:bookinfo’,{LIMIT=>2}
获取前两行的name,price
Scan ‘booksystem:bookinfo’,{LIMIT=>2, COLUMNS=>['info1:name','info1:price']}
从102行数据开始显示数据
Scan ‘booksystem:bookinfo’,{STARTROW=>’102’}
显示102-103的数据
Scan ‘booksystem:bookinfo’,{STARTROW=>’102’,STOPROW=>’103’}
从102开始要1行数据
Scan ‘booksystem:bookinfo’,{STARTROW=>’102’,LIMIT=>1}
根据行键直接查询数据
scan 'booksystem:bookinfo',{ROWPREFIXFILTER=>'101',
COLUMNS=>['info1:name','info1:price']}
