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What is the difference between partitioning and bucketing a table in Hive ?
...laborate how bucketing happens with partitioning ? Suppose if we specify 32 buckets in the CLUSED BY clause and the CREATE TABLE statement also contains the Partitioning clause, how partitions and buckets will be managed together ? Does number of partitions will be limited to 32 ? OR for ea...
Deleting rows with MySQL LEFT JOIN
... Roman LosevRoman Losev
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...097152
#kernel.shmmax = 536870912
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048586
# /sbin/sysctl -p (设置参数立即生效)
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How to find gaps in sequential numbering in mysql?
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mattmatt
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How can foreign key constraints be temporarily disabled using T-SQL?
Are disabling and enabling foreign key constraints supported in SQL Server? Or is my only option to drop and then re-create the constraints?
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Convert string to binary in python
...', 'utf-8')), output: '11000011 10011111', try other encoding utf-16, utf-32 for non-ASCII.
– Kuo
Aug 26 at 17:50
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Why is a round-trip conversion via a string not safe for a double?
...f87daf7fa),
/*6*/ I64(0xefb3ab16c59b14a0),
/*7*/ I64(0x850fadc09923329c),
/*8*/ I64(0x93ba47c980e98cde),
/*9*/ I64(0xa402b9c5a8d3a6e6),
/*10*/ I64(0xb616a12b7fe617a8),
/*11*/ I64(0xca28a291859bbf90),
/*12*/ I64(0xe070f78d39275566),
/*13*/ I64(0xf92e0c3537826140),
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How to get all registered routes in Express?
...re: stackoverflow.com/questions/25260818/…
– user2932053
Mar 7 '18 at 22:15
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what is the unsigned datatype?
...ould you cite the part where it is defined?
– user454322
May 22 '14 at 5:23
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Super-simple example of C# observer/observable with delegates
.../340610/…
– Dinah
Aug 8 '09 at 20:32
1
@Dinah: That doesn't avoid the null check. You can still...