? POSTGRES-XL: PostgreSQL-based open source extensible DB cluster The recent year the industry to the "IoE" more calls louder, many traditional enterprises have to go to the "IoE" program on the desktop. I always wonder what motivates these
Q. What does XL stand?
XL is short for extensible lattice. It also connotes an extra large version of postgresql, in this case when SS multiple systems.
Q. Is this a "nosql" solution?
No, ipvs-XL supports traditional SQL, stronugly conforms to
Recently, I have been working on a project related to PostgreSQL database, documenting the knowledge that I have learned in this process. About PostgreSQL database online already have too many relevant introduction, in order to blog the system or
I. Overview of DB-API
Python supports a number of different databases. Because different seller servers result in different network protocols for database communication. In earlier versions of Python, each database had its own Python module, all of
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
0, password file:
Before giving other PostgreSQL client commands, we need to introduce the password file in PostgreSQL. The file is explained here in advance because we are applying the file in a lot of the following sample code to ensure that our
Installing PostgreSQL using RPM packages in Linux
Postgresql and MySQL are currently popular and active open source relational database systems. Compared with high-end Oracle commercial products, Postgresql and MyQL have much room for improvement in
Seven, Pg_dump:
Pg_dump is a tool for backing up the PostgreSQL database. It can even make a full, consistent backup when the database is being used concurrently, without blocking access to the database by other users. The dump format generated by
I. Overview of DB-APIPython supports a number of different databases. Because the different seller server causes the network protocol which communicates with the database to be different. In earlier versions of Python, each database had its own
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