The following table shows which MySQL objects are converted, and the resulting SQL Server objects: MySQL objectsResulting SQL Server objects Tables with dependent objects such as indexesSSMA creates tables with dependent objects. Table is converted with all indexes and constraints. Indexes are converted...
Before creating a DRS task, if concurrency control rules of SQL statements are configured for the source database, the DRS task may fail. MySQL 5.7 filters CHECK constraints. If the source database version is 5.7, you are not advised to use CHECK constraints, which may cause data inconsistenc...
Synchronize data from an ApsaraDB RDS for SQL Server instance to an ApsaraDB RDS for MySQL instance,Data Transmission Service:This topic describes how to synchronize data from an ApsaraDB RDS for SQL Server instance to an ApsaraDB RDS for MySQL instance
If deadlock warnings occur constantly, you might review the application code to reorder the SQL operations in a consistent way, or to shorten the transactions. You can test with theinnodb_print_all_deadlocksoption enabled to see all deadlock warnings in the MySQL error log, rather than only t...
Q 4- How to check foreign key constraints in MySQL? A- We can check the foreign key constraints in MySQL by using the below syntax. show create table table_name; SQL Copy In the above query, table_name is the name of your table that contains a foreign key. Cascade Constraint Foreign ...
概述:MySQL unique constraints incorrectly limited to 255 char when it should be 1000→MySQL unique constraints incorrectly limited to 255 char when it should be 1000. 版本:3.0→master 状态:new→closed Thanks for this ticket, however Django supports MySQL 5.6+. Moreover this restriction depends on...
PARTITIONS | | PLUGINS | | PROCESSLIST | | REFERENTIAL_CONSTRAINTS | | ROUTINES | | SCHEMATA | | SCHEMA_PRIVILEGES | | STATISTICS | | TABLES | | TABLE_CONSTRAINTS | | TABLE_PRIVILEGES | | TRIGGERS | | USER_PRIVILEGES | | VIEWS | +---+ SHOW COLUMNS and DESCRIBE can display information...
Azure Database for MySQL Flexible Server Zonal: The zonal availability mode means that a standby server is always available within the same zone as the primary server. While this option reduces failover time and network latency, it's less resilient due to a single zone outage impacting both th...
SQL Copy In the above example, the "id" column has a "PRIMARY KEY" constraint applied to it. This means that each row in the table must have a unique value for the "id" column, and the column is used to identify each row in the table. Foreign Key Constraints in MySQL A foreign ...
To improve the performance of the destination MySQL database, you are advised to use the Save Change function to configure common parameters (except max_connections). For performance parameters, you need to manually change the parameter values based on the specifications of the destination database....