You can create an append-only ledger table by specifying the LEDGER = ON argument in your CREATE TABLE (Transact-SQL) statement and specifying the APPEND_ONLY = ON option.Important After a table is created as a ledger table, it can't be reverted to a table that doesn't have ledger ...
CREATE TABLE T_TRTest_History --历史表,记录删除的数据 (sid uniqueidentifier Default(Newid()) primary key, msid UNIQUEIDENTIFIER, --用来保存测试表主键 TestData VARCHAR(10)IF not EXISTS(SELECT 1 FROM sysobjects WHERE NAME='T_TRTest_Append' AND xtype='U') CREATE TABLE T_TRTest_Append --同...
sqlStr.Append(" set ").Append(tableName).Append("_AA=NewID()"); return sqlStr.ToString();
适用于:SQL ServerAzure SQL 数据库Azure SQL 托管实例Microsoft Fabric SQL 数据库 在数据库中创建新表。 备注 有关Microsoft Fabric 中仓库的引用,请访问 CREATE TABLE (Fabric 数据仓库)。 有关Azure Synapse Analytics 和 Analytics Platform System (PDW) 的参考,请访问 CREATE TABLE (Azure Synapse Analytics)...
Applies to: SQL Server 2012 (11.x) and later. Creates the new table as a FileTable. You don't specify columns because a FileTable has a fixed schema. For more information, see FileTables. column_name AS computed_column_expression An expression that defines the value of a computed column...
sql Server 批量insert 存储过程 sqlserver批量添加 本篇,我将来讲解一下在Sqlserver中批量插入数据。 先创建一个用来测试的数据库和表,为了让插入数据更快,表中主键采用的是GUID,表中没有创建任何索引。GUID必然是比自增长要快的,因为你生成一个GUID算法所花的时间肯定比你从数据表中重新查询上一条记录的ID的值...
Applies to: SQL Server 2012 (11.x) and later. Creates the new table as a FileTable. You don't specify columns because a FileTable has a fixed schema. For more information, see FileTables. column_name AS computed_column_expression An expression that defines the value of a computed column...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Creates a new table in the database. Note For reference to Warehouse in Microsoft Fabric, visit CREATE TABLE (Fabric Data Warehouse). For reference to Azure Synapse Analytics and Analytics ...
sql server 插入记录不是追加记录 sql添加记录语句 13.3 操作功能 SQL语言的操作功能包括对表中数据的增加、删除和更新操作。 13.3.1 插入 在一个表的尾部追加数据时,要用到插入功能,SQL的插入命令包括以下3种格式: 格式: INSERT INTO 〈表名〉 [(〈字段名1〉 [,〈字段名2〉,…])]...
在运行时,Flink 调用的是org.apache.flink.table.runtime.operators.join.window.WindowJoinOperator。点击阅读WindowJoinOperator的源码。 时态表 JOIN(Temporal JOIN) 时态表 JOIN是一类特殊的关联操作:本文前半部分介绍的各种 JOIN 类型都是基于最新的数据进行关联,而时态表 JOIN则可以根据左表记录中的时间戳,在右表...