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https://dev.mysql.com/doc/refman/5.7/en/replace.html
For information about generated columns, see Section 13.1.18.7, “CREATE TABLE and Generated Columns”. There are no user-visible effects other than a possible difference in how the storage engine increments Handler_xxx status variables. REPLACE ...
https://dev.mysql.com/doc/refman/5.7/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-selection.html
When a table is created using [LINEAR] HASH or [LINEAR] KEY partitioning and the names of the partitions are not specified, MySQL automatically names the partitions p0, p1, p2, ..., pN-1, where N is the number of partitions. MySQL 5.7 supports ...
https://dev.mysql.com/doc/refman/5.7/en/column-count-limit.html
mysql> CREATE TABLE t (a VARCHAR(10000), b VARCHAR(10000), c VARCHAR(10000), d VARCHAR(10000), e VARCHAR(10000), f VARCHAR(10000), g VARCHAR(6000)) ENGINE=InnoDB CHARACTER SET latin1; ERROR 1118 (42000): Row size too large. You have to change some ... This section describes limits on the number of columns in tables and the size of individual ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html
CREATE TABLE Failure Due to Orphan Table A symptom of an out-of-sync data dictionary is that a CREATE TABLE statement fails. InnoDB: You can drop the orphaned table inside InnoDB by InnoDB: creating an InnoDB table with the same name in another ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-range.html
A table that is partitioned by range is partitioned in such a way that each partition contains rows for which the partitioning expression value lies within a given range. Ranges should be contiguous but not overlapping, and are defined using the ...
https://dev.mysql.com/doc/refman/5.7/en/keywords.html
Reserved words are permitted as identifiers if you quote them as described in Section 9.2, “Schema Object Names”: mysql> CREATE TABLE interval (begin INT, end INT); ERROR 1064 (42000): You have an error in your SQL syntax ... Certain keywords, ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-quick-start.html
| events_stages_current | | events_stages_history | | events_stages_history_long | | events_stages_summary_by_account_by_event_name | | events_stages_summary_by_host_by_event_name | | events_stages_summary_by_thread_by_event_name | | ...For example, ... This section briefly introduces the Performance Schema with examples that show how to use ...
https://dev.mysql.com/doc/refman/5.7/en/backup-strategy-example.html
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 to the MySQL server. Assume that data is stored in the InnoDB storage ...
https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html
Thus, users can configure the locale in their environment for use by MySQL clients. C applications can use character set autodetection based on the OS setting by invoking mysql_options() as follows before connecting to the server: ... A ...