Python->mysql->dbvisualizer

Source: Internet
Author: User
Tags mysql version python mysql dbvisualizer

1.Download Connector/python:mysql-connector-python-2.1.3-py2.7-win32

mysql:mysql-installer-community-5.5.48.0

python:python-2.7.10

2. Install the Python,mysql

Connector/python:http://dev.mysql.com/doc/connector-python/en/connector-python-installation.html

Python3 no longer supports MYSQLDB,

Replaced by: Import pymysql Python MySQL Official pack: Mysql-connector-python

3. Test code

Mysql: View all users select * from Mysql.user;

show databases; ----------View all databases

Use test; --Using the database

#-*-Coding:utf8-*-ImportMysql.connectorconn=Mysql.connector.connect (Host='127.0.0.1', Port=3306, the user='Root', passwd='[email protected]', DB='Test',) cursor=conn.cursor () cursor.execute ("SELECT VERSION ()") Row=Cursor.fetchone ()Print "Server version:", Row[0] Cursor.close () conn.close ()

4. Managing Databases

Dbvisualizer 8.0.8 Management

CREATE Table table name (field name VARCHAR (20), Field name CHAR (1));

CREATE TABLE Pet (

Name varchar, #名字

Owner varchar, #主人

Species varchar (+), #种类

Sex char (1), #性别

Birth date, #出生日期

Death date, #死亡日期)

Show tables;

SELECT * from TB;

To establish a foreign key relationship, first ensure that the column used to establish the foreign key relationship is unique, that is, with a unique constraint

is usually a table's primary key as a foreign key to another table

MySQL version and driver version do not match

An error occurred while executing the database request for:
Mysql
5.5.47-log
Mysql-ab JDBC Driver
mysql-connector-java-5.1.16 (Revision: ${bzr.revision-id})

Short message:
An error occurred while performing the operation:
You have a error in your SQL syntax; Check the manual, corresponds to your MySQL server version for the right syntax to use near ') ' on line 1

The command that caused the problem:
ALTER TABLE testdjango.student ADD CONSTRAINT student_fk1 FOREIGN KEY (Scoreid) REFERENCES Testdjango.pet ()

Long Message:
You have a error in your SQL syntax; Check the manual, corresponds to your MySQL server version for the right syntax to use near ') ' on line 1

Details:
Type:com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException
Error code:1064
SQL state:42000

System Information:
Product:dbvisualizer Personal 8.0.8
Build: #1745 (2012/02/14 10:52)
Java Vm:java HotSpot (TM) Client VM
Java version:1.6.0_20
Java Vendor:sun Microsystems Inc.
OS Name:windows 7
OS arch:x86
OS version:6.1

Download Update Driver:

Mysql-connector-java-5.1.38.zip

Finally, update to the Dbvis jar package to the appropriate directory.

Dbvisualizer-8.0.8\jdbc\mysql

Reason for failure:

Http://www.cnblogs.com/edisonfeng/archive/2014/06/05/3766243.html

mSQL Terminal add:

ALTER TABLE student ADD constraint SCORE_STUDENT_FK1 foreign key (Scoreid) references score (Scoreid)

Alter Table Add constraint Foreign Key references score (Scoreid)

Python->mysql->dbvisualizer

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