批量添加的方法是生成一条SQL语句,和数据库只交互一次。那为什么图片中有多条Insert语句呢,当你使用BulkInsert时,如果数据达到4万之前,那在SQL的解释时,也是很有压力的,有多情况下会超时,当然这与你的数据库服务器有关,但为了性能与安全,将Bulk操作变为分批提交,即将上W的数据进行分解,分用1W数据量提交一次,这样...
AI代码解释 /// ///大批量数据插入,返回成功插入行数/// /// 数据库连接字符串/// 数据表/// <returns>返回成功插入行数</returns>publicstaticintBulkInsert(DataTable table){if(string.IsNullOrEmpty(table.TableName))thrownewException("请给DataTable的TableName属性附上表名称");if(table.Rows.Count=...
In theprevious part of this article, we discussed how to import CSV files to SQL Server with the help of BULK INSERT statement. We discussed the main methodology of bulk insert process and also the details of BATCHSIZE and MAXERRORS options in scenarios. In this part, we will go through ...
Specifies the number of rows in a batch. Each batch is copied to the server as one transaction. If this fails, SQL Server commits or rolls back the transaction for every batch. By default, all data in the specified data file is one batch. CHECK_CONSTRAINTS :指定在执行bulk insert操作期间,...
工具:Microsoft Visual Studio Ultimate 2013+Oracle SQL Developer 1.5.5+Oracle Database 11g Enterprise Edition 11.2.0.1.0(32位)+TNS for 32-bit Windows 11.2.0.1.0 方式一:ArrayBind 当插入一条数据时,SQL 语句如下: INSERTINTOtable_nameVALUES(:col1, :col2, :col3, :col4, :col5) ...
Having understood the syntax of BULK INSERT, now it’s time to test it in practice. Load Data into SQL Server with BULK INSERT First, we need a large set of sample data that can be used to insert the data into SQL Server. You candownload a large sample file from here. This is a ...
Rows per Batch:It tells SQL Server to insert n number of rows in a single batch, rather than the entire file. Max Errors:It specifies how many rows can fail before the bulk insert fails. Well this was all aboutBulk-Insert. And also comments on this!!
SQL Copy Here we have created the procedure named `spBulkImportEmployee` which is accepting the table type created in an earlier step as a parameter, also known as a table-valued parameter. We have used the `Merge` feature of the SQL server to perform updates and insert in the same query...
Fixes an error message that may occur when you run a "BULK INSERT" query on a database that uses the "BULK_LOGGED" or "SIMPLE" recovery model in SQL Server 2008, SQL Server 2008 R2, SQL...
for i in 1 .. 100000 loop execute immediate 'insert into t_num values (:v1)' using i; end loop; commit; end; 结果:2.402s(无主键),3.744(有主键) 3. 软解析(静态sql) declare i integer; begin for i in 1 .. 100000 loop insert into t_num values (i); ...