postgresql database design tool

Label:1. BackgroundIn the production of the overall open source toolbox products, data warehousing is an important link. Although PostGIS provides data warehousing interface operations, this tool cannot be integrated into our toolbox, and the tool interface, operation is not ideal, and can not be customized to complete a number of specific requirements. Therefore, it is more necessary to make a self-made SH

main library backup will compete with the application for IO resources, originally also evaluated on-premises from the library backup, but we use the Pg_rman tool still need to initiate the start Backup and end Backup command in the main library, considering the network impact, coupled with the current IO resources are more abundant, so the backup temporarily or On the main library, subsequent consideration of migrating the backup operations to the s

Last release: CYQ. DBImport V1.0 Introduction: CYQ. DBImport reverse engineering and batch import database tool V1.0 This release of V2.0 is intended for overseas attacks. The following is a description of this release. I. Introduction to new features of Version 2.0 1: fixed the GUID script error. 2: add processing. When the table for data import has no data, the table structure is also created. The ori

After another year, I finally updated the version. However, this version only advances to a small bit, from 3.0 to 3.1. The version number is small, which indicates that this change is not big, but let's talk about it:1: The latest CYQ. Data V5 series with better performance have been replaced, and the Data batch insertion speed has been improved. 2: Modify the image type and time type conversion of MySql. 3: Modify the table structure of Txt and Xml. 4: The error output is automatically record

After the project is published to the server, if the structure of the database changes at a later stage, how to update to the server?First, right click on the database and export the structure script fileCopy the script files and Mr.e.rar to the server, unzip the MR.E on the server, and run the "Update database structure. bat"Select the script file, select the

The benefits of LINQ are very obvious, not only the database access layer is really object-oriented, but also the system's permissions can be encapsulated into the database access layer.Microsoft's current stable LINQ framework is the Entity Framework 6.1, I have written a database tool MR.E, can be used to

Label:I have long been engaged in ASP. NET development, often update the database design of different environment (dev,uat,staging,production). After a long time, it is very painful and tedious to update the database fields when the server is maintained, which often misses the update of a field in a table and causes the program to fail. After several lessons, I d

About very simple design patterns, ui-dao-database, and JavaBean and Util tool classes 24. Three / J2ee / No Comments A simple Java EE design pattern,The UI accesses the database or XML document through the DAO layer, and the data returned by the

MYSQL official tool WorkBench Design Database essentials AnalysisThe beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IO

=Newtest.userdocument (); Userdoc.userid=user.id; Userdoc.filename="d:\\ test document. doc"; Userdoc.desc="Test Document"; Db. Update (Userdoc); //Delete User db. Delete (user); //Commit a transaction db.committransaction (); } Catch { //rolling back a transaction db. RollbackTransaction (); Throw; } } } } } Run the code and discover the db. Delete (user);

=NewTest.userinfo (); User2. UserName="Liu Fang"; User2. Sex=test.userinfo_sexenum. Female; Db. Update (User2); varUser3 =NewTest.userinfo (); User3. UserName="Li MoU"; User3. Sex=test.userinfo_sexenum. Shemale; Db. Update (USER3); //data for Select males varTable = ( fromMinchdb. UserInfowhere(M.sex test.userinfo_sexenum. Male) = =test.userinfo_sexenum. MaleSelectm). ToArray (); //Show each data foreach(varUseriteminch

Label:: Http://www.cubrid.org/wwwsqldesignerAfter downloading, put in the Apache website root directory, access localhost/wwwsqldesigner-master/directly into the design interface:Initialize to English interface, select Option->language to change the interface display language.1. Add a table: Click Add Table, enter a name and description2. Modify the field size and type: Double-click the field above the table3. Add a new field: Click Add Column above t

processing, Then it needs to be implemented in a hierarchical way, through the rapid generation of the Code generation tool Databasse2sharp, the whole development work becomes more efficient and faster, and the various hierarchical catalogs are unified and understandable. We use PostgreSQL database support as an example to support this development on the develop

community began to flourish, 　　Up to now, there are over 1000 contributors and 30,000 members. 　　The key advantage of the greater community is that the interaction between users and developers is more frequent, and users can even directly participate in the design of new features, which is also a model for other open source communities to emulate. MySQL community originally originated from the business world, MySQL was born in 1994 in Sweden, as a hi

-index a PostgreSQL database Vacuumdb - garbage collection and analysis of a PostgreSQL database Iii. PostgreSQL Server Application Initdb--Create a new PostgreSQL database clust

In this article, we will focus on another option, the open source database named PostgreSQL. Although MySQL is a fast, powerful, and fairly simple relational database management system, PostgreSQL is more comprehensive and sacrifices some speed for this complexity. If you are used to using interfaces that contain vari

Processing Method for PostgreSQL database transactions in unknown state, postgresql Processing Method Background Database transactions are atomic operations, either successful or failed. However, from the client perspective, there may be a third State: unknown. After the client submits a transaction (rollback, commit,

I. INTRODUCTION to psql is a PostgreSQL command line interactive client tool, similar to the command line tool sqlplus: 1 in Oracle allows you to interactively type SQL or commands, then they are sent to the PostgreSQL server, and then the SQL or command results are displayed; 2 input I. INTRODUCTION to psql Psql is a

Install the open source database PostgreSQL 9.4 and phpPgAdmin on UbuntuIntroduction PostgreSQL is a powerful, open-source, and Object-based relational database system. It supports all mainstream operating systems, including Linux, Unix (AIX, BSD, HP-UX, sgi irix, Mac OS, Solaris, Tru64) and Windows operating systems.

Postgresql to mysql tool bitsCN.com I collected some articles on postgresql to mysql on the internet. most of them said that I first exported the SQL script from postgresql, and then manually changed some of the statements in the SQL script to the mysql format, I thought that if I was a big data company, I would also