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| [root@hadoop01 conf]# hbase shell
2023-03-31 20:06:06,069 WARN [main] util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
HBase Shell
Use "help" to get list of supported commands.
Use "exit" to quit this interactive shell.
Version 2.0.2, r1cfab033e779df840d5612a85277f42a6a4e8172, Tue Aug 28 20:50:40 PDT 2018
Took 0.0022 seconds
hbase(main):001:0> create 'student','info'.'score'
SyntaxError: (hbase):1: syntax error, unexpected tSTRING_BEG
create 'student','info'.'score'
hbase(main):002:0> create 'student','info','score'
Created table student
Took 2.2020 seconds
=> Hbase::Table - student
hbase(main):003:0> list
TABLE
student
1 row(s)
Took 0.0968 seconds
=> ["student"]
hbase(main):004:0> put 'student','1001','info:name','Graay'
Took 0.6300 seconds
hbase(main):006:0> put 'student','1001','info:age','18'
Took 0.0259 seconds
hbase(main):007:0> scan 'student'
ROW COLUMN+CELL
1001 column=info:age, timestamp=1680318580788, value=18
1001 column=info:name, timestamp=1680318521517, value=Gra
ay
1 row(s)
Took 0.1029 seconds
hbase(main):008:0> put 'student','1002','info:age','21'
Took 0.0161 seconds
hbase(main):009:0> scan 'student'
ROW COLUMN+CELL
1001 column=info:age, timestamp=1680318580788, value=18
1001 column=info:name, timestamp=1680318521517, value=Gra
ay
1002 column=info:age, timestamp=1680318604807, value=21
2 row(s)
Took 0.0136 seconds
hbase(main):010:0> describe 'student'
Table student is ENABLED
student
COLUMN FAMILIES DESCRIPTION
{NAME => 'info', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false', NEW
_VERSION_BEHAVIOR => 'false', KEEP_DELETED_CELLS => 'FALSE', CACHE_DATA
_ON_WRITE => 'false', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER',
MIN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', CA
CHE_INDEX_ON_WRITE => 'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_WR
ITE => 'false', PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NON
E', BLOCKCACHE => 'true', BLOCKSIZE => '65536'}
{NAME => 'score', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false', NE
W_VERSION_BEHAVIOR => 'false', KEEP_DELETED_CELLS => 'FALSE', CACHE_DAT
A_ON_WRITE => 'false', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER',
MIN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', C
ACHE_INDEX_ON_WRITE => 'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_W
RITE => 'false', PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NO
NE', BLOCKCACHE => 'true', BLOCKSIZE => '65536'}
2 row(s)
Took 0.2478 seconds
hbase(main):011:0> get 'student','1001'
COLUMN CELL
info:age timestamp=1680318580788, value=18
info:name timestamp=1680318521517, value=Graay
1 row(s)
Took 0.1066 seconds
hbase(main):012:0> count 'student'
2 row(s)
Took 0.0993 seconds
=> 2
hbase(main):013:0> delete 'student','1002','info:sex'
Took 0.0651 seconds
hbase(main):014:0> deleteall 'student','1001'
Took 0.0595 seconds
hbase(main):017:0> truncate 'student'
Truncating 'student' table (it may take a while):
Disabling table...
Truncating table...
Took 2.8205 seconds
hbase(main):019:0> scan 'student'
ROW COLUMN+CELL
0 row(s)
Took 1.4101 seconds
hbase(main):020:0> disable 'student'
Took 0.5823 seconds
hbase(main):021:0> drop 'student'
Took 0.5392 seconds
hbase(main):022:0>
|
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