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https://dev.mysql.com/doc/refman/5.7/en/backup-strategy-example.html
Assume also that the MySQL server is under load at the time of the crash. Information about this recovery process is conveyed to the user through the MySQL error log. You should include such options as necessary to enable client programs to connect ...
https://dev.mysql.com/doc/refman/5.7/en/create-server.html
server_name has a maximum length of 64 characters (names longer than 64 characters are silently truncated), and is case-insensitive. Character literals are UTF-8, support a maximum length of 64 characters and default to a blank (empty) string.
https://dev.mysql.com/doc/refman/5.7/en/bit-type.html
The maximum combined size of all BIT columns used in a given NDB table must not exceed 4096 bits. The BIT data type is used to store bit values. If you assign a value to a BIT(M) column that is less than M bits long, the value is padded on the left ...
https://dev.mysql.com/doc/refman/5.7/en/backup-types.html
These provide logical copies of the file system at a given point in time, without requiring a physical copy of the entire file system. (For example, the implementation may use copy-on-write techniques so that only parts of the file system modified ... This section describes the characteristics of different types of ...
https://dev.mysql.com/doc/refman/5.7/en/floating-point-types.html
For maximum portability, code requiring storage of approximate numeric data values should use FLOAT or DOUBLE PRECISION with no specification of precision or number of digits. The FLOAT and DOUBLE types represent approximate numeric data values.
https://dev.mysql.com/doc/refman/5.7/en/json.html
A maximum of 3 JSON columns per NDB table is supported. MySQL parses any string used in a context that requires a JSON value, and produces an error if it is not valid as JSON. Positions for “at position N” in such error messages are 0-based, but ...The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON ...
https://dev.mysql.com/doc/refman/5.7/en/linux-installation-debian.html
Oracle provides Debian packages for installing MySQL on Debian or Debian-like Linux systems. The packages are available through two different channels: The MySQL APT Repository. This is the preferred method for installing MySQL on Debian-like ...
https://dev.mysql.com/doc/refman/5.7/en/document-store.html
This chapter introduces an alternative way of working with MySQL as a document store, sometimes referred to as “using NoSQL”. If your intention is to use MySQL in a traditional (SQL) way, this chapter is probably not relevant to you. Important ...
https://dev.mysql.com/doc/refman/5.7/en/federated-create-server.html
If you are creating a number of FEDERATED tables on the same server, or if you want to simplify the process of creating FEDERATED tables, you can use the CREATE SERVER statement to define the server connection parameters, just as you would with the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-file-io-type.html
max_latency The maximum single wait time of timed occurrences of the file I/O event for the host. total_latency The total wait time of timed occurrences of the file I/O event for the host. These views summarize file I/O, grouped by host and event ...