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Database cluster and load balancing
...nnected along with the SQL node to achieve this(talking specifically about MySQL).
Now about the differences: load balancing is just one result that could be achieved through clustering, the others include high availability, scalability and fault tolerance.
...
Abort makefile if variable not set
...an be missed
# in case a file named like `check-defined-...` exists in the root
# directory, e.g. left by an accidental `make -t` invocation.
.PHONY : __check_defined_FORCE
__check_defined_FORCE :
Usage:
foo :|check-defined-BAR
Notice that the check-defined-BAR is listed as the order-only (...
SQL Server SELECT into existing table
...etting an "undeclared variable" error. Though maybe this issue is only for MySQL. The CREATE TABLE ... LIKE .. worked;
– LazerSharks
Jul 7 '13 at 22:35
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...ates to any filesystem like, local or hdfs, How hadoop choose to show HDFS root directory content when I do hadoop fs -ls / ? Also, How can I tell hadoop to show my local root directory content when I run the hadoop fs -ls / command ?
– sgsi
Jan 29 '15 at 22:5...
Threads vs Processes in Linux
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If a process forks with an open mysql connection, bad things happen, as the socket is shared between two processes. Even if only one process uses the connection, the other stops it from being closed.
– MarkR
Nov 2 '12 ...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...llowing scenario:
myprog.o - containing main() function, dependent on libmysqlclient
libmysqlclient - static, for the sake of the example (you'd prefer the shared library, of course, as the libmysqlclient is huge); in /usr/local/lib; and dependent on stuff from libz
libz (dynamic)
How do we link...
What is the difference between Non-Repeatable Read and Phantom Read?
... easy to understand explanation. However I think most databases ( oracle , mysql ) have a default isolation level of Read Committed and probably postgress uses default of repeatable_read
– akila
Nov 12 '19 at 23:44
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How to port data-only volumes from one host to another?
...abilities of union filesystem to create a unified view of data (mainly the root file system) across the source and target hosts. This allows Cargo to start up a container almost immediately (within milliseconds) on the target host as the data from source root file system gets copied to target hosts ...
How to create a drop-down list?
...; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable spinner
– Ashish Shahi
May 31 '17 at 10:17
add a c...
What is mod_php?
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I used xampp to install the php, apache and mysql package... So, what will be my setup?
– SpikETidE
Apr 26 '10 at 10:58
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