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https://dev.mysql.com/doc/refman/5.7/en/view-restrictions.html
However, a view that is processed with the temptable algorithm is unable to take advantage of indexes on its underlying tables (although indexes can be used during generation of the temporary tables). SHOW CREATE VIEW displays view definitions using ... The maximum number of tables that can be referenced in the definition of a view is ...
https://dev.mysql.com/doc/refman/5.7/en/dynamic-format.html
Dynamic storage format is used if a MyISAM table contains any variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT), or if the table was created with the ROW_FORMAT=DYNAMIC table option. If you have fixed-length columns that you access or ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-system-tables.html
INNODB_SYS_COLUMNS provides metadata about InnoDB table columns, equivalent to the information in the SYS_COLUMNS table in the InnoDB data dictionary. INNODB_SYS_FIELDS provides metadata about the key columns (fields) of InnoDB indexes, equivalent ... You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA system ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-overview.html
The SQL language itself is intended to work independently of any data structures or media underlying the schemas, tables, rows, or columns with which it works. This expression can be a column value, a function acting on one or more column values, or ... This section provides a conceptual overview of partitioning in MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-auto-increment.html
Statement-based replication of AUTO_INCREMENT, LAST_INSERT_ID(), and TIMESTAMP values is done correctly, subject to the following exceptions: When using statement-based replication prior to MySQL 5.7.1, AUTO_INCREMENT columns in tables on the ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-index-table-table.html
This value might reflect the value of an ID column that you defined for the underlying table, or it can be a sequence value generated by InnoDB when the table contains no suitable column. The INNODB_FT_INDEX_TABLE table has these columns: WORD A ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-tables-table.html
The INNODB_SYS_TABLES table has these columns: TABLE_ID An identifier for the InnoDB table. The number reported includes three hidden columns that are created by InnoDB (DB_ROW_ID, DB_TRX_ID, and DB_ROLL_PTR). Use the INFORMATION_SCHEMA COLUMNS ...
https://dev.mysql.com/doc/refman/5.7/en/optimize-table.html
After doing substantial insert, update, or delete operations on columns that are part of a FULLTEXT index in an InnoDB table. After deleting a large part of a MyISAM or ARCHIVE table, or making many changes to a MyISAM or ARCHIVE table with ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations-locking.html
However, if an AUTO_INCREMENT value is generated for any partitioning column then all partitions are locked. An UPDATE prunes locks only for tables on which no partitioning columns are updated. ON DUPLICATE KEY UPDATE is pruned as long as no ...In ...
https://dev.mysql.com/doc/refman/5.7/en/constraint-invalid-data.html
For strings, MySQL stores either the empty string or as much of the string as can be stored in the column. If you try to store a string that does not start with a number into a numeric column, MySQL Server stores 0. Invalid values for ENUM and SET ... MySQL 5.7.5 and later uses strict SQL mode by default, which treats invalid values such that the server rejects them and aborts the statement in which they occur (see Section 5.1.10, “Server SQL ...