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https://dev.mysql.com/doc/refman/8.4/en/partitioning-management-exchange.html
The following example compares the difference between execution times when exchanging a partition with a nonpartitioned table, with and without validation. Exchanging Partitions Without Row-By-Row Validation To avoid time consuming validation when ...Table nt contains no foreign key references, and no other table has any foreign keys that refer to ...
https://dev.mysql.com/doc/connectors/en/connector-net-programming-blob-writing.html
After assigning the byte array as a parameter of the MySqlCommand object, the ExecuteNonQuery method is called and the BLOB is inserted into the file table. To write a file to a database, we need to convert the file to a byte array, then use the ...
https://dev.mysql.com/doc/connector-net/en/connector-net-programming-blob-writing.html
After assigning the byte array as a parameter of the MySqlCommand object, the ExecuteNonQuery method is called and the BLOB is inserted into the file table. To write a file to a database, we need to convert the file to a byte array, then use the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-sbr-rbr.html
If there is an error in evaluation on the replica, particularly when executing complex statements, statement-based replication may slowly increase the margin of error across the affected rows over time. For complex statements, the statement must be ...For most users, the mixed replication format should provide the best combination of data integrity and ...
https://dev.mysql.com/doc/mysql-installer/en/mysql-installer-setup.html
Choosing a Setup Type Path Conflicts Check Requirements MySQL Installer Configuration Files When you download MySQL Installer for the first time, a setup wizard guides you through the initial installation of MySQL products. As the following figure ...MySQL Installer detects existing MySQL products installed on the host during its initial setup and adds them to the list of products to be ...
https://dev.mysql.com/doc/refman/8.4/en/nested-loop-joins.html
MySQL executes joins between tables using a nested-loop algorithm or variations on it. Nested-Loop Join Algorithm Nested-Loop Join Algorithm A simple nested-loop join (NLJ) algorithm reads rows from the first table in a loop one at a time, passing ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-transaction-management.html
For example, an application might encounter performance issues if it commits thousands of times per second, and different performance issues if it commits only every 2-3 hours. When each change is followed by a commit (as with the default autocommit ... To optimize InnoDB transaction processing, find the ideal balance between the performance overhead of transactional features and the workload of your ...
https://dev.mysql.com/doc/refman/8.4/en/online-ddl-memory-management.html
Defining an appropriate buffer size limit avoids potential out of memory errors for online DDL operations that create or rebuild secondary indexes. Online DDL operations that create or rebuild secondary indexes allocate temporary buffers during ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-limitations-all.html
The use of CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP or NOW() as a default value for a timestamp column. Enable explicit_defaults_for_timestamp to use ALTER TABLE and CREATE TABLE statements with Lakehouse tables that have a timestamp column. A ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-redo-log-reader.html
Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. Command-Line Format -mbyte # Type Numeric Default Value 0 Minimum Value 0 Maximum Value 15 -mbyte #: Starting megabyte. Command-Line Format ...