___在T-SQL中,将查询结果保存到新表(NewTable)中的语句是SELECT列1,列2intoNewTable FROM 表1SELECT查询列表序列INTOFROM数据源在SQL Server 2008中,设要在T表上创建一个针对插入和更新操作的后触发型触发器。请补全下列语句:CREATE TRIGGER tri_T ON T1AFTERINSERT,UPDATE AS ...在T-SOL中,提取cur1游标...
SELECT INTO 语句常用于创建表的备份复件或者用于对记录进行存档。 SQL SELECT INTO 语法 您可以把所有的列插入新表: SELECT * INTO new_table_name [IN externaldatabase] FROM old_tablename 或者只把希望的列插入新表: SELECT column_name(s) INTO new_table_name [IN externaldatabase] FROM old_tablenam...
Note: The SELECT INTO statement creates a new table. If the database already has a table with the same name, SELECT INTO gives an error. If you want to copy data to an existing table (rather than creating a new table), you should use the INSERT INTO SELECT statement. Copy Selected Co...
INTOnewtable[INexternaldb] FROMoldtable WHEREcondition; Copy only some columns into a new table: SELECTcolumn1,column2,column3, ... INTOnewtable[INexternaldb] FROMoldtable WHEREcondition; The new table will be created with the column-names and types as defined in the old table. You can ...
SELECT LastName,FirstName INTO Persons_Backup FROM Persons CREATE DATABASE: 创建数据库 Syntax: CREATE DATABASE database_name CREATE TABLE: 创建表 Syntax: CREATE TABLE table_name ( column_name1 data_type, column_name2 data_type, column_name3 data_type, ...
-- Create a new table with columns from the existing table Person.Address.-- A new IDENTITY column is created by using the IDENTITY function.SELECTIDENTITY(int,100,5)ASAddressID, a.AddressLine1, a.City, b.NameASState, a.PostalCodeINTOPerson.USAddressFROMPerson.AddressASaINNERJOINPerson.State...
在SQL的SELECT语句中,INTO TABLE用于将查询结果存入表中,不同数据库系统语法可能不同。 - **A.INTO DBF**:DBF是dBase/FoxPro的表文件格式。在Visual FoxPro等系统中,`INTO DBF`与`INTO TABLE`功能等价,均表示将结果存入表文件,因此A正确。 - **B.TO TABLE**:标准SQL中无此语法,且`TO`通常用于导出到非表...
解析 A 正确答案:A 解析:SQL SELECT语句中INTO TABLE短语和INTO DBF短语都可用来定义将查询结果存放到永久表中。另外,INTO ARRAY将查询结果存放到数组,INTO CURSOR将查询结果存放到临时表,TO FILE将查询结果存放到文本文件中。 知识模块:关系数据库标准语言SQL...
【答案】：A A。【解析】使用短语INT()DBFITABLE TABLENAME可以将查询结果存放到永久表(．dbf文件)。所以INTODBF和INTOTABLE是等价的。
注: Sql Server select * into new_tab from tab; Oracle create table new_tab as select * from tab; 在Oracle中select * into from不可以使用,请用create table NewTable as select * from ATable;代替该功能!!!