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https://dev.mysql.com/doc/refman/5.7/en/replication-features-differing-tables.html
Source and target tables for replication do not have to be identical. A table on the source can have more or fewer columns than the replica's copy of the table. In addition, corresponding table columns on the source and the replica can use ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-fulltext-index.html
A full-text index is defined as part of a CREATE TABLE statement or added to an existing table using ALTER TABLE or CREATE INDEX. When incoming documents are tokenized, the individual words (also referred to as “tokens”) are inserted into the ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-table-wait-summary-tables.html
The following sections describe the table I/O and lock wait summary tables: table_io_waits_summary_by_index_usage: Table I/O waits per index table_io_waits_summary_by_table: Table I/O waits per table table_lock_waits_summary_by_table: Table lock ...
https://dev.mysql.com/doc/refman/5.7/en/show-table-status.html
Create_options shows the ENCRYPTION option specified when creating or altering a file-per-table tablespace. When altering the storage engine of a table, table options that are not applicable to the new storage engine are retained in the table ...You ...
https://dev.mysql.com/doc/refman/5.7/en/delete.html
Given a partitioned table t with a partition named p0, executing the statement DELETE FROM t PARTITION (p0) has the same effect on the table as executing ALTER TABLE t TRUNCATE PARTITION (p0); in both cases, all rows in partition p0 are dropped. To ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-desc.html
Three of the table properties that can be set using NDB_TABLE comments embedded in CREATE TABLE and ALTER TABLE statements are also visible in ndb_desc output. You can check that the ALTER TABLE statement has the desired effect using SHOW CREATE ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-row-format.html
To store DYNAMIC tables in the system tablespace, either disable innodb_file_per_table and use a regular CREATE TABLE or ALTER TABLE statement, or use the TABLESPACE [=] innodb_system table option with CREATE TABLE or ALTER TABLE. The row format of ... The row format of a table determines how its rows are physically stored, which in turn can affect the performance of queries and DML ...As more rows fit into a single disk page, ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-syntax.html
Trying either to create a temporary table that uses the NDB storage engine or to alter an existing temporary table to use NDB fails with the error Table storage engine 'ndbcluster' does not support the create option 'TEMPORARY'. (Bug #18094360) ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-fulltext_index-tables.html
INNODB_FT_BEING_DELETED: Provides a snapshot of the INNODB_FT_DELETED table; it is used only during an OPTIMIZE TABLE maintenance operation. When OPTIMIZE TABLE is run, the INNODB_FT_BEING_DELETED table is emptied, and DOC_ID values are removed from ...INNODB_FT_INDEX_CACHE: Provides token information about newly inserted rows in a FULLTEXT ...
https://dev.mysql.com/doc/refman/5.7/en/server-status-variables.html
| Connections | 30023 | | Created_tmp_disk_tables | 0 | | Created_tmp_files | 3 | | Created_tmp_tables | 2 | ... For additional connection-related information, check the Connection_errors_xxx status variables and the host_cache table. The MySQL ...