当你遇到“table 'book' already exists”这样的错误消息时,这通常意味着你试图在数据库中创建一个已经存在的表。以下是一些处理这个问题的步骤和建议: 1. 确认错误消息的含义 错误含义:这个错误表明你尝试创建的表book在数据库中已经存在。这可能是因为之前的创建操作没有成功完成,或者表被其他用户或脚本创建。 2...
表名重复了
mysql> ALTER TABLE DAY_BOOK_REPORT ADD UNIT_PRICE_PCS DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不存在字段UNIT_PRICE_PCS,但是给表加字段时就报这个错误,遂咨询了一下他具体的操作过程,反馈是当时在做大...
mysql> ALTER TABLE DAY_BOOK_REPORTADD UNIT_PRICE_PCSDOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不存在字段UNIT_PRICE_PCS,但是给表加字段时就报这个错误,遂咨询了一下他具体的操作过程,反馈是当时在做大量数...
ON DELETE CASCADE can't be defined if an INSTEAD OF trigger ON DELETE already exists on the table. For example, in the AdventureWorks2022 database, the ProductVendor table has a referential relationship with the Vendor table. The ProductVendor.BusinessEntityID foreign key references the Vendor.Bu...
public static final TableErrorCode ENTITY_ALREADY_EXISTS Static value EntityAlreadyExists.ENTITY_NOT_FOUND public static final TableErrorCode ENTITY_NOT_FOUND Static value EntityNotFound.ENTITY_TOO_LARGE public static final TableErrorCode ENTITY_TOO_LARGE Static value EntityTooLarge.FORBIDDEN...
IF EXISTS Applies to: SQL Server (SQL Server 2016 (13.x) and later) and Azure SQL Database. Conditionally drops the column or constraint only if it already exists. RESUMABLE = { ON | OFF} Applies to: SQL Server 2022 (16.x) and later. Specifies whether an ALTER TABLE ADD CONSTRAINT ...
Share via Facebook x.com LinkedIn Email Print TypedTableBase<T> ClassReference Feedback DefinitionNamespace: System.Data Assembly: System.Data.Common.dll Source: TypedTableBase.cs This type is used as a base class for typed-DataTable object generation by Visual Studio and the XSD.exe .NET...
Django项目在执行 python manage.py migrate进行表迁移时报错 错误截图: 解决方法执行: 问题解决!!! 作者:陈彦斌 出处:https://www.cnblogs.com/chenyanbin/ 关注:点我哟(^U^)ノ~YO 分类:Python «上一篇:JQuery 图片轮播,详细注释说明,让你一看就会!
If the value is 1, then precomputed partitions are already being used. If the value is 0, then execute sp_changemergepublication at the Publisher on the publication database. Specify a value of use_partition_groups for @property and a value of true for @value. Note If the publication does...