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https://dev.mysql.com/doc/refman/5.7/en/perror.html
For most system errors, MySQL displays, in addition to an internal text message, the system error code in one of the following styles: message ... (Errcode: #) You can find out what the error code means by examining the documentation for your ...
https://dev.mysql.com/doc/refman/5.7/en/populating-spatial-columns.html
Values should be stored in internal geometry format, but you can convert them to that format from either Well-Known Text (WKT) or Well-Known Binary (WKB) format. After you have created spatial columns, you can populate them with spatial data. For ...
https://dev.mysql.com/doc/refman/5.7/en/precision-math-expressions.html
For DECIMAL literals, in addition to the precision limit of 65 digits, there is a limit on how long the text of the literal can be. With precision math, exact-value numbers are used as given whenever possible. For example, numbers in comparisons ...
https://dev.mysql.com/doc/refman/5.7/en/preface.html
Differences between minor versions of MySQL 5.7 are noted in the present text with reference to release numbers (5.7.x). This is the Reference Manual for the MySQL Database System, version 5.7, through release 5.7.44. This manual is not intended ...
https://dev.mysql.com/doc/refman/5.7/en/purge-binary-logs.html
(Bug #18199, Bug #18453) To handle such errors, edit the .index file (which is a simple text file) manually to ensure that it lists only the binary log files that are actually present, then run again the PURGE BINARY LOGS statement that failed.
https://dev.mysql.com/doc/refman/5.7/en/query-cache-status-and-maintenance.html
Every cached query requires a minimum of two blocks (one for the query text and one or more for the query results). Note The query cache is deprecated as of MySQL 5.7.20, and is removed in MySQL 8.0. To check whether the query cache is present in ...
https://dev.mysql.com/doc/refman/5.7/en/query-cache.html
The query cache stores the text of a SELECT statement together with the corresponding result that was sent to the client. Note The query cache is deprecated as of MySQL 5.7.20, and is removed in MySQL 8.0. If an identical statement is received ...
https://dev.mysql.com/doc/refman/5.7/en/replace.html
REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] {VALUES | VALUE} (value_list) [, (value_list)] ... REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION ...
https://dev.mysql.com/doc/refman/5.7/en/replica-logs-status.html
To address this, modify the file in a text editor by deleting the initial line containing the number of lines. A replica server creates two replication metadata repositories, the connection metadata repository and the applier metadata repository.
https://dev.mysql.com/doc/refman/5.7/en/replica-sql-thread-states.html
The Info column for the SQL thread may also show the text of a statement. Making temporary file (create) before replaying LOAD DATA INFILE The thread is executing a LOAD DATA statement and is creating a temporary file containing the data from which ...