MySQL 的 DDL 包含了 copy 和 inplace 方式,对于不支持 online 的 ddl 操作采用 copy 方式。对于 inplace 方式,mysql 内部以“是否修改记录格式”为基准也分为两类:一类需要重建表(重新组织记录),比如 optimize table 、添加索引、添加/删除列、修改列 NULL / NOT NULL 属性等;另外一类是只需要修改表的元数据...
00' which then won't result in a change when I try to Null it. Final note: - i'm using MySQL 4.0.24_Debian-10 (on Linux), not sure if it's relevant. - after 20 random-attempts I just noticed that if I switch the NotNull off and at the same time change the null value, ...
Bug #53918Change Field to Not Null does not work Submitted:23 May 2010 0:06Modified:11 Jun 2010 15:44 Reporter:Jesse CastleberryEmail Updates: Status:ClosedImpact on me: None Category:MySQL Workbench: SQL EditorSeverity:S3 (Non-critical) ...
mysql_change_user()fails if the connected user cannot be authenticated or does not have permission to use the database. In this case, the user and database are not changed. Pass adbparameter ofNULLif you do not want to have a default database. ...
withName public ChangeDataCaptureFolder withName(String name) Set the name property: The name of the folder that this CDC is in. Parameters: name - the name value to set. Returns: the ChangeDataCaptureFolder object itself.Applies to Azure SDK for Java Latest...
mysql_change_user()fails if the connected user cannot be authenticated or does not have permission to use the database. In this case, the user and database are not changed. Pass adbparameter ofNULLif you do not want to have a default database. ...
This option can be used when lease store is not initialized and it is ignored if a lease item exists and has continuation token that is not null. If this is specified, both StartTime and StartFromBeginning are ignored. Parameters: startContinuation - the start request continuation token to ...
Fixed an issue with NULL value in CC field breaking a data-driven email subscription Power BI Desktop (optimized for Power BI Report Server) Version: 2.124.1960.0 (January 2024), Released: January 26, 2024 Features Support for many to many cardinality in Power BI Report Server ...
1846 (0A000): ALGORITHM=INPLACE is not supported.问题现象在RDS MySQL实例中,使用INPLACE方式扩展VARCHAR字段长度时,提示如下错误:ERROR 1846 (0A000):ALGORITHM=INPLACE is not suppor...
s the problem. One of the many changes that has been implemented in MySQL 8 (8.0.22+) is the alteration of the default value of explicit_defaults_for_timestamp from OFF to ON. This may seem like a small change, but it has significant implications for the way NOT NULL and defaul...