sp_changearticlecolumndatatype 用于替代受支持的发布服务器类型(Oracle 和 SQL Server)之间的默认数据类型映射。 若要查看这些默认数据类型映射,请执行 sp_getdefaultdatatypemapping。 sp_changearticlecolumndatatype 仅Oracle 发布服务器支持。 针对 SQL Server 发布执行此存储过程会导致错误。 sp_changearticlecolumn...
简单示例 altertablemyTableaddmyNewColumnintnull; while1=1beginupdatetop (100000) myTablesetmyNewColumn=myOldColumnwheremyNewColumnisnull; if @@ROWCOUNT=0break;endaltertablemyTabledropcolumnmyOldColumn;EXECsp_RENAME'[myTable].[myNewColumn]','myOldColumn','COLUMN'...
使用SQL Server 管理物件 (SMO) 中的 Column.Collation 屬性。 無法變更目前由下列任何一個項目參考的資料行定序: 計算資料行 索引 分布統計資料,不論是自動產生或由 CREATE STATISTICS 陳述式生成 檢查條件約束 外鍵約束 當您使用 tempdb時, COLLATE 子句會包含 database_default 選項,將暫存資料表中...
sp_changearticlecolumndatatype sp_changedistpublisher sp_changedistributiondb sp_changedistributor_password sp_changedistributor_property sp_changedynamicsnapshot_job sp_changelogreader_agent sp_changemergearticle sp_changemergefilter sp_changemergepublication sp_changemergepullsubscri...
column_name 指定主鍵數據行或資料行的名稱。 您可以依任何順序指定多個資料行名稱。 value 這是主鍵的值。 如果有多個主鍵數據行,則必須以與數據行出現在 column_name 清單中的順序相同來指定值。 [ FORCESEEK ] 適用於:SQL Server(從 SQL Server 2016 (13.x) SP2 CU16、SQL Server 2017 (14.x) CU24 和...
SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance Analytics Platform System (PDW) You can change the order of columns inTable Designerin SQL Server Management Studio (SSMS). By default, a safety mechanism of SSMS blocks changing the column order. Though it isn...
Assume that you have a table that has a clustered columnstore index in Microsoft SQL Server 2014. You run a DDL query against the table to change the data type of an existing column. For example, you update the data type for Column_1 of Table_1 from VARCHAR (499) to...
You use the Always Encrypted feature of Microsoft SQL Server to encrypt a column in a table. You enable the change data capture (CDC) feature for this table. The encrypted column is not included in thecaptured column li...
Change data type mappings (applies to Oracle publishing only). sp_changearticlecolumndatatype @type @length @precision @scale New snapshot. Reinitialize subscriptions. Publication Properties for Merge Replication Expand table DescriptionStored procedurePropertiesRequirements Change snapshot format sp_change...
Applies to: SQL Server Azure SQL Database Azure SQL Managed InstanceInterprets the SYS_CHANGE_COLUMNS value that is returned by the CHANGETABLE(CHANGES ...) function. This enables an application to determine whether the specified column is included in the values that are ret...