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1, LONG data type is stored in the variable-length string, maximum length limit is 2GB. 2, for beyond a certain length of text, the basic type can only be used to store LONG, many of the data dictionary definition of the object is to use LONG to stor

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1 into the TIMESTAMP database type from the date 2.mybatis the same, jdbcType = TIMESTAMP Then is a normal write sql statement 3.java no change in 4. Struts2 front shows the date labeling available

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LONG columns can not appear in some parts of the SQL statement: 1, in the WHERE, GROUP BY, ORDER BY, CONNECT BY clause and a DISTINCT operation of the SELECT statement. 2, SQL functions (such as SUBSTR or INSTR) 3, expression or condition. 4, contain

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LONG columns can not appear in some parts of the SQL statement: 1, in the WHERE, GROUP BY, ORDER BY, CONNECT BY clause and a DISTINCT operation of the SELECT statement. 2, SQL functions (such as SUBSTR or INSTR) 3, expression or condition. 4, contain

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1, LONG data type is stored in the variable-length string, maximum length of 2GB. 2, for beyond a certain length of text, the basic type can only be used to store LONG, many of the data dictionary definition of the object is to use LONG to store. 1,

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Sub-query is embedded in other SQL statement SELECT statement, also known as nested queries. Note that when the DDL statement references a subquery, you can with the Order By clause; but when the where clause, Set reference to sub-clause query, not w

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First, read what the original source: Hibernate3.6.0 English document first section of Chapter 11, reference sources: Hibernate3.6.0 Chinese document in the first section of Chapter 11 Hibernate defines and supports the following object states: 1.Tra

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First look at a simple example: The following were named to three pages frame.html, top.html, bottom.html example to specify what to do. frame.html from top (top.html) under (bottom.html) composed of two pages, the code is as follows: <! DOCTYPE HTML

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Create a dynamic link library steps: First, create a Non-MFC DLL dynamic link library 1, open the File -> New -> Project Options, select Win32 Dynamic-Link Library -> sample project -> Project Name: DllDemo 2, create a new. H file DllDemo.h Th

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First look at a simple example: The following were named to three pages frame.html, top.html, bottom.html example to specify what to do. frame.html from top (top.html) under (bottom.html) composed of two pages, the code is as follows: <! DOCTYPE HTML

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First look at a simple example: The following were named to three pages frame.html, top.html, bottom.html example to specify what to do. frame.html from top (top.html) under (bottom.html) composed of two pages, the code is as follows: <! DOCTYPE HTML

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Javascript refresh the current page The following were named to three pages frame.html, top.html, bottom.html example to specify what to do. frame.html from top (top.html) under (bottom.html) composed of two pages, the code is as follows: <!DOCTYPE H

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Suppose a class as follows: class Integer { private: int i; public: Integer(int I):i(I){ } const Integer operator+(const Integer &rhs) const; friend ostream& operator<<(ostream& os, const Integer &integer); }; const Integer Integer::

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First look at a simple example: The following were named to three pages frame.html, top.html, bottom.html example to specify what to do. frame.html by the previous (top.html) under (bottom.html) composed of two pages, the code is as follows: <!DOCTYP

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Session to perform some sql statement to the state of objects in memory synchronized to the database, a process called session clean-up. By default, Session at the following time points clear cache. 1 When an application calls net.sf.hibernate.Transa

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By Altair, http://www.phpinternals.com reproduced please specify this information Yesterday, a friend in Hangzhou, PHPer group which posted the following piece of code and give some results: Source: <? Php function doTicks () ( echo 'Ticks'; ) regist

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Reprinted: http://www.talentdigger.cn/home/space.php?uid=3821&do=blog&id=19384 SQL Summary DML, DDL, DCL, Transaction Summary 1. SQL statement category (five categories): Select statement DML: insert \ update \ delete \ merge (Oracle unique for da

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<1> asp Write In "%%> in <% Statement ... ... %> <2> define variables dim statement <% dim a, b a = 10 b = "ok!" %> Note: The definition of variables can be numerical, it can be characters or other types of <3&

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Table Structure Table name projectinfo project_id, parent_project 001 null ---------------------------- 002 001 ----------------------------- 003 001 ----------------------------- 004 null ----------------------------- 005 004 -----------------------

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[Size = x-small] [size = x-small] Session interface is the Hibernate to operate the database application provides the main interface, it provides a basic save, update, delete, and query methods. Session has a cache, the cache is located in a persiste

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