reloading data log book

The premise is that the previous database data must be retainedBefore introducing this method, it is advisable to remind you that the best way to transfer data is:Export the SQL file in the original MySQL server, and then import the data in the new MySQL server.First, the MySQL storage data principle:MySQL storage

New book Unix/Linux Log Analysis and traffic monitoring is coming soon The new book "Unix/Linux Log Analysis and traffic monitoring" is about to release the 0.75 million-word book created in three years. It has been approved by the publishing house today and will be publishe

sub-functions Tuple operations Expression evaluation Projection transaction processing and concurrency control Tblockstate 2PC 3 Kinds of Locks SpinLock Lwlock Regularlock Lock management mechanism Dead lock Wait Diagram (WFG) MVCC (the explanation here seems not clear enough) Log Management: Xlog/clog SLRU Buffer Pool Sub

identifiersIf you want the SHA string name of a binary object (BLOB), you can get it by adding a binary object (BLOB) corresponding to the file path after the ' Tree name ' (treeish).master:/path/to/file10. IntervalFinally, you can use the ".." To refer to the interval between two commits (commit). The following command gives you all commits (commit) between "7b593b5" and "51bea1" except for "7b593b5" (Note: 51BEA1 is the most recent commit).7b593b5..51bea1This includes all commits (commits) th

: Network Disk DownloadFirst, the content of the book is a foreign data structure and algorithm analysis of the classic textbook, using the excellent Java programming language as the implementation tool to discuss the data structure (the method of organizing a large number of data) and algorithm analysis (estimation of

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Facebook, with 1.2 billion users per day, 10 billion messages, 350 million pictures, 250 billion photos, and this number is multiplying every day. This is undoubtedly a wonderful treasure chest that brings together information from people from all over the world, and at the same time, it bodes well for the sheer power of a company.Admittedly, Facebook is well aware of the rights they have, and has built its own business model based on this data. The c

1, the filegroup does not contain log files.In addition, we can also add a customized filegroup.Use filegroups to help with data layout and management tasks, such as backup and restore#文件增长SQL Server enables the user to set the database initial value and maximum value.For data files, put different files on different hard disks to speed up read and write.It is im

files with the extension jpg, "*" means to find all the files, this can be used flexibly, extrapolate;-exec: fixed notation;RM-RF: Forced deletion of files, including directories;{}\; : fixed notation, pair of curly braces + space +\+;2. Scheduled Tasks:If it is too troublesome to manually execute the statement every time, you can write this small statement into an executable shell script file, and then set cron Schedule execution, then you can let the system automatically clean up the relevant