Introduction This article present a tiny database engine which implements fixed width record tables and BTree indexes. This library is a work in progress, I am looking for some feedback on this to see if there is a need for it. This article is also
File: Account.xml select ACC_ID as id, ACC_FIRST_NAME as firstName, ACC_LAST_NAME as lastName, ACC_EMAIL as emailAddress from ACCOUNT where ACC_EMAIL = #emailAddress# and ACC_LAST_NAME = #lastName# insert into ACCOUNT ( ACC_ID, ACC
这是一个用iBator生成iBatis有关代码的例子。 特别说明: Eclipse应该是3.4.1以上版本, 并且安装了iBator插件。否则可用iBator的命令行版本或ant工具。 测试用数据是： CREATE TABLE PERSON( id INTEGER NOT NULL, firstName VARCHAR (40) NOT NULL, lastName VARCHAR (40) NOT NULL, PRIMARY KEY (ID) ); insert into PERSON v
精心收集整理的各种SQL语句示例，帮助您更加容易的熟悉和使SQL。 1 DECLARE @local_variable 1.1 使用 DECLARE 以下示例将使用名为 @find 的局部变量检索所有姓氏以“Man”开头的联系人信息。 USE AdventureWorks; GO DECLARE @find varchar(30); SET @find = 'Man%'; SELECT LastName, FirstName, Phone FROM Person.Contact WHERE L
Select 用途： 从指定表中取出指定的列的数据 语法： SELECT column_name(s) FROM table_name 解释： 从数据库中选取资料列，并允许从一或多个资料表中，选取一或多个资料列或资料行。SELECT 陈述式的完整语法相当复杂，但主要子句可摘要为： SELECT select_list [ INTO new_table ] FROM table_source [ WHERE search_condition ] [ GROUP BY group_by_expre
大学数据结构课本内的源代码 例如：/*------------------------------------- Program to greet its user. Input: The name of the user Output: A personalized greeting -----------------------------------------*/ #include // cin, cout, <> #include // string using na
Select 用途： 从指定表中取出指定的列的数据 语法： SELECT column_name(s) FROM table_name 解释： 从数据库中选取资料列，并允许从一或多个资料表中，选取一或多个资料列或资料行。SELECT 陈述式的完整语法相当复杂，但主要子句可摘要为： SELECT select_list [ INTO new_table ] FROM table_source [ WHERE search_condition ] [ GROUP BY group_by_expre
1.简单形式： var q = ( from c in db.Customers select c.Phone ).Concat( from c in db.Customers select c.Fax ).Concat( from e in db.Employees select e.HomePhone ); 语句描述：返回所有消费者和雇员的电话和传真。 2.复合形式： var q = ( from c in db.Customers select new { Name = c.Compan
