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What database does Google use?
Is it Oracle or MySQL or something they have built themselves?
8 Answers
8
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Changing the maximum length of a varchar column?
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Also it works for MySQL and this question is tagged [TSQL] so it's in the wrong place
– jean
Mar 28 '18 at 10:55
6
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How can the Euclidean distance be calculated with NumPy?
...t(x^2 + y^2 + z^2)) so we're making a lot of sqrt calls. Math 101:
dist = root ( x^2 + y^2 + z^2 )
:.
dist^2 = x^2 + y^2 + z^2
and
sq(N) < sq(M) iff M > N
and
sq(N) > sq(M) iff N > M
and
sq(N) = sq(M) iff N == M
In short: until we actually require the distance in a unit of X rather th...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...as been fixed in Chrome 49.
Very interesting question! Let's dig in.
The root cause
The root of the difference is in how Node.js evaluates these statements vs. how the Chrome development tools do.
What Node.js does
Node.js uses the repl module for this.
From the Node.js REPL source code:
self...
putting current class as return type annotation [duplicate]
...r type declarations somewhere in the middle of sources...
The problem has roots in recognizing class object before the class was actually defined. That is simply impossible to do in python.
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Count number of files within a directory in Linux? [closed]
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An effective native way without using pipe: du --inodes [root@cs-1-server-01 million]# du --inodes 1000001 ./vdb.1_1.dir 1000003 . [root@cs-1-server-01 million]#
– Venfah Nazir
Jan 9 at 7:28
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修改centos字符集导致桌面进不去的一系列问题 - 更多技术 - 清泛网 - 专注C...
...集请参看 http://user.qzone.qq.com/58740020/blog/1407983208
修改
[root@centos ~]# vi /etc/sysconfig/i18n
发现在终端下ORALCE 可以正常显示汉字
但是centos 不能正常登陆桌面系统，必须手动选择 汉字（中国选项）
但是进入桌面还是UTF-8
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How to tell if a file is git tracked (by shell exit code)?
...results(logs). Else it is empty.
For example if the file is git tracked,
root@user-ubuntu:~/project-repo-directory# git log src/../somefile.js
commit ad9180b772d5c64dcd79a6cbb9487bd2ef08cbfc
Author: User <someone@somedomain.com>
Date: Mon Feb 20 07:45:04 2017 -0600
fix eslint indentat...
Find the number of columns in a table
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In MySQL land (tagged in the question)... A MySQL database is equivalent to a schema in ANSI SQL and the table_catalog is always def
– Steve Buzonas
Mar 5 '14 at 18:17
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SQL Logic Operator Precedence: And and Or
...in alphabetic order):
Microsoft Transact-SQL operator precedence
Oracle MySQL 9 operator precedence
Oracle 10g condition precedence
PostgreSQL operator Precedence
SQL as understood by SQLite
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