SQL INSERT statement – insert multiple rows into a table TheINSERTstatement also allows you to insert multiple rows into a table using a single statement as the following: INSERTINTOtable_name(column1,column2…)VALUES(value1,value2,…), (value1,value2,…), …Code language:SQL (Structured ...
ROWS_PER_BATCH = rows_per_batch 指示数据文件中近似的数据行数量。 默认情况下,数据文件中所有的数据都作为单一事务发送到服务器,批处理中的行数对于查询优化器是未知的。 如果指定了 ROWS_PER_BATCH(值 > 0),则服务器将使用此值优化批量导入操作。 为 ROWS_PER_BATCH 指定的值应当与实际行数大致相同。 有...
CREATE PROCEDURE sp_insert_loop AS BEGIN DECLARE @i int SET @i = 1 WHILE @i <11822 BEGIN INSERT INTO tbl_tem_ccp VALUES (@i) SET @i = @i+1 END END /* Results of time spent */ EXEC sp_insert_loop --(11821 row(s) inserted)0:01:37(100000 row(s))0:11:31 DELETE FROM tbl...
expression can be either a number or a percent of the rows. For more information, see TOP (Transact-SQL). INTO Is an optional keyword that can be used between INSERT and the target table. server_name Applies to: SQL Server 2008 (10.0.x) and later. Is the name of the linked server ...
INSERT INTO [] VALUES ('some value' /*replace with actual set of values*/) 注意 使用INSERT INTO 將值插入叢集資料行存放區索引的並行執行緒,可以將資料列插入到相同的差異存放區資料列群組中。 資料列群組包含 1,048,576 個資料列之後,差異資料列群組會標示為已關閉,但仍可供查詢、更新/刪除操作...
Feature8 : Insert or update insert or update Db.Storageable(list2).ExecuteCommand(); Db.Storageable(list2).PageSize(1000).ExecuteCommand(); Db.Storageable(list2).PageSize(1000,exrows=> { }).ExecuteCommand(); Feature9 : Auto split table ...
Discard File:nonespecified(Allow all discards)Number to load:ALLNumber to skip:0Errors allowed:50Bind array:10rows,maximumof600bytes★Continuation:none specified Path used:Conventional TableTEST_LDR,loaded from every logical record.Insert optionineffectforthistable:INSERTTRAILINGNULLCOLSoptionineffect ...
另Maximum Workspace Memory (KB)一个计数器占任何可能需要执行此类哈希、排序、大容量复制和索引创建操作的请求的最大工作区内存量。 这两个计数器之外经常遇到术语工作区内存。 大型QE 内存利用率的性能影响 在大多数情况下,当线程请求 SQL Server 中的内存完成操作且内存不可用时,请求失败并出现内存不足错误。
INSERT INTO shirts (name, size) VALUES ('dress shirt','large'), ('t-shirt','medium'),('polo shirt','small'); set 集合类型 A SET column can have a maximum of 64 distinct members. 示例: CREATE TABLE myset (col SET('a', 'b', 'c', 'd')); ...
(50), C3 DATETIME); GO CREATE UNIQUE INDEX AK_Index ON #Test (C2) WITH (IGNORE_DUP_KEY = ON); GO INSERT INTO #Test VALUES (N'OC', N'Ounces', GETDATE()); INSERT INTO #Test SELECT * FROM Production.UnitMeasure; GO SELECT COUNT(*) AS [Number of rows] FROM #Test; GO DROP ...