instanceIntarraylength= Objrecordset.recordcount'The number of rows in the query result as the length of the array MsgBoxIntarraylengthIfIntarraylength >0 Then Do while notObjrecordset.eof'assigning the column values of a database query to an array MsgBoxobjRecordSet ("COUNT (*)") Objrecordset.movenextLoop End If End SubConnectdatabase' *************************************** ' Copy to my end *********************************C # Edition Static voidMain (
Recently encountered some egg pain, all the business processing to the MySQL function to deal with, resulting in the MySQL CPU usage is a tiger. SQL speech is also a language, including some processing functions for connection strings, such as CONCAT (), concat_ws () , Group_concat (). Let's talk about the use of these several functions.
1. CONCAT ()
Syntax: CO
MySQL tutorial concat () connection string detailed descriptionIn some cases you want two or more strings, in MySQL there is a string concatenation function concat (), let's talk about how it is used.
Concat syntaxConcat (STR1,STR2,...)
Simple instance two
Configuring an ODBC data source
1. Select Microsoft ODBC for Oracle
2. Data Source Name: Connection string name/user name: Database name (SID name)/server name: Database server IP Address
Using System.Data.Odbc;
private void Monitorbatch ()
{
string contection = ' d
Toss for a while, and finally the ASP and MySQL connection completed, feeling, close-up this article with everyone to share.
Check a lot of information, ASP and MySQL connection currently has two ways: one is the use of components, more famous is MYSQLX, but a pity to 99 dollars. Two is to use MYODBC to connect, let's
C ++ Class Library: OTL connects to the MySQL ODBC database (insert, update, select) and otlodbc
I. Introduction
OTL is a pure C ++ universal database connection template library, can support a variety of popular databases, such as Oracle, Sybase, MySQL, PostgreSQL, EnterpriseDB, SQLite, ms access, Firebird and so on.
/** * Function: Demo using JDBC-ODBC bridge connection to manipulate SQL database * Xu Shouwei * Operation steps: * 1. Configure Data source * 2. Connect data source in program * 3. Operation data */package com.jasxu; Introduction of SQL packet import java.sql.*; public class T1 {/** * @param args */public static void main (string[] args) {//TODO auto-generated m
MySQLPostgrsql detailed instructions on how to use the ODBC interface to access MySQL
MySQL/Postgrsql detailed instructions on how to use the ODBC interface to access MySQL Guide
How to access MySQL through
PHP and MySQL is the best combination of PHP web development, but when you want to migrate other platforms to the PHP platform, you will inevitably encounter porting problems, such as how asp+access platform porting? The first is the PHP connection to the Access database problem, how does PHP connect to an Access database without changing the database?
PHP provides a variety of connectivity database soluti
Detailed instructions on how to access the MySQL Guide with an ODBC interface
MySQL's ODBC interface implementation is through the installation of MYODBC driver, this driver is cross-platform. If used under UNIX systems such as Linux, you need to first install IODBC these third-party ODBC standard support platforms.
S
1.ODBC connecting MySQLWhat is ODBC first?Open Database Interconnect (CONNECTIVITY,ODBC) is an integral part of the database in the Microsoft Open Service Architecture (Wosa,windows Open Services Architecture). It establishes a set of specifications and provides a set of standard APIs (application programming interfaces) for database access. These APIs use SQL to
Using php and MySql to connect to ODBC data ODBC refers to an open data connection. it is a data driver led by Microsoft and can be connected to other data, the SQL language is used to operate data. of course, PHP also provides functions for ODBC data
Anyone who has learned Web development should know ODBC. This Microsoft-Created database connection method makes it easy for a program to connect to the database in Windows, such as Java ODBC to connect MSSQL and Access. To develop a cross-platform and cross-database program, it is a good choice to Connect ODBC to the
Label:ODBC data Source configuration: needs to be configured on the server where the site is located, the ODBC driver version number 5.15 is recommended. (explained in Mysql-connector-odbc-3.51.20-win32.exe) An ODBC-based application operates on a database that does not rely on any DBMS, does not interact directly with
How to access MySQL through ODBC
MySQL ODBC interface is implemented by installing the myodbc driver.
Program Is cross-platform. For Linux and other UNIX operating systems, install the third-party ODBC standard support platform, such as iodbc.
Simple ASP exampleCode:Cop
Mysql|odbc /**
* ODBC to MySQL
* Xu Zuning (nagging)
* czjsz_ah@stats.gov.cn
*
* First contact with php+mysql friends, there are many are the master of ASP. As soon as possible to get started
* Close-up of this program, used to convert the original database through the
The first method can implement my current requirements by connecting different strings to connect different databases. Only mysql,sqlserver,oracle,access is connected for the time being. For access, because it creates a table with SQL statements that are not very compatible with standard SQL statements, you need to do something about it, not yet. The second method can only be used for a connection to the
Install and configure the mysql-ODBC driver in 64-bit win7
To use powerdesigner, you need to configure ODBC. after repeated failures, the following knowledge points are summarized:
1. there are some bugs in ODBC drivers of different versions of mysql5. if you cannot change the number, this method is generally use
://www.mysql.com
Address: http://dev.mysql.com/downloads/connector/odbc/3.51.html#win32
I downloaded Windows ZIP/Setup. EXE.
Download the setup.exe file from the zip package and double-click it to install it. There is nothing to say. It is a silly installation. 2. Set ODBC Data sources
There are two ways to configure the ODBC data source for
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