mysql to postgresql converter

tables in any way. As mentioned above, now it is more practical to use the optimizer instead of querying the largest table type. Postgresql of version 8. x supports all SQL92 specifications and has almost no limitations. In sequence, I feel that you will see a database that is better than other databases, even in terms of optimization. Hybrid queries will become messy, and the query plan is your good friend when diagnosing functional bottlenecks. Ind

*unique ' > Key.sql Generate a separate file for all foreign key statements (this step can be omitted, followed by other methods)Cat Table_new.sql | Egrep ' \-|^\s*constraint ' > Constraint.sql Remove the key and constraint statements and generate a new file Table_last.sqlCat Table_new.sql | Sed ' s/^\s*key.*$//' | Sed ' s/^\s*constraint.*$//' | Sed ' s/^\s*unique.*$//' | Sed '/^$/d ' > Table_last.sql Convert line breaksUnix2dos Table_last.sql Copy the file to Windows and use the Notepad

MySQL implements the ranking syntax such as Oracle or PostgreSQL row_numberover bitsCN. comPostgreSQL and Oracle both provide statements such as row_number () over () to rank corresponding fields, which is very convenient. MySQL does not provide such a syntax. Table "ytt. t1" Column | Type | Modifiers -------- + ----------------------- + ----------- I _name | cha

Top Benefits of PostgreSQL:1. PostgreSQL is completely free and BSD, and it's important that if you change PostgreSQL and then sell it, and nobody cares, it means that the PostgreSQL database will not be manipulated by other companies. Oracle database does not have to be said, is a commercial database, not open. While

The amount of data will be huge in the future/you cannot predict the size of the data. We recommend that you change to PostgreSQL. After a certain amount of data is stored in MySQL (generally, the performance of a single MySQL table is the best-, and the performance starts to decline when there are more data), the performance decreases rapidly, and in the case of

Recently, the company asked a website to be revised and download the website programs and databases to programmers. The program file is very simple. Just download it by creating a compressed package. When I looked at the configuration file to view the database, I was dumpfounded. The database type was postgresql, and I had never heard of the Data Type before, let alone the operation. No way, you have to stick your head down. Baidu times to see how to

Tags: Introducing join state speed buffer Incremental redo log Incremental backup orgOriginal Sticker Address: https://www.oschina.net/translate/showdown-mysql-8-vs-postgresql-10?lang=chspage=2#English Original address: http://rachbelaid.com/introduction-to-postgres-physical-storage/Now that MySQL 8 and PostgreSQL 10 h

the most shining star in the open-source community. I tried it a few years ago, but I did some research in depth. A basket of MySQL installation information is available on the Internet. I am on the road again after I have any experience introduction. After preliminary tests, they all went well. Coincidentally, A friend talked to me about PostgreSQL and talked about the differences between the two open-sou

Tags: adb via function GRE Active Program Server Branch nbspThe current version of MYSQL/MARIADB is 5.7.6 (mariadb is a MySQL branch created by the MySQL creator Monty Widenius), and the version of PostgreSQL is 9.4.1. The following aspects compare the latest versions of both: ANSI standard compatibility:

Php implementation can be used for mysql, mssql, PostgreSQL database operation class, and mysqlmssql. Php implementation can be used for mysql, mssql, and pg database operation classes. mysqlmssql this article describes the database operation classes available for mysql, mssql, and pg databases, you only need to make a

This article mainly introduces how to migrate the database used by Django from MySQL to PostgreSQL. It also mentions some precautions, if you want to migrate the database from mysql to PostgreSQL, you can see that we have already migrated the database to the Django1.6 app. if your environment is clean, this process wil