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1, Install gitlab Reference blog Gitlab installation and application of continuous integration Install gitlab, and perform the basic operation of the third and remote library 2, Mail verification registration Email reminders can be used to register users and need to be verified by email. They will also be reminded when gitlab uploads code or d ...

How to set the default value in doctrine2? #1 building <?php /** * @Entity */ class myEntity { /** * @var string * * @ORM\Column(name="myColumn", type="integer", options={"default" : 0}) */ private $myColumn; ... } Note that this uses SQL DEFAULT, which is not supported for some fields, such as BLOB ...

[SQL from bit by bit Analysis series articles] is a bit by bit summary in actual development, from the simplest SQL query to comprehensive analysis query When analyzing SQL, related operations in mybatis and Hibernate will also be analyzedClick to view details This section describes inserting data in ...

problem There is business feedback that Java applications keep reporting the following errors after modifying the length of a table field, but the fewer errors that follow, the fewer errors that will not occur in 15 minutes. ### Error querying database. Cause: org.postgresql.util.PSQLException: ERROR: cached plan must not change result type R ...

Recently, Alibaba cloud urged a friend to deal with the system vulnerability quickly, and shut down the machine if he didn't deal with it again. This friend deployed 32-bit PostgreSQL 8.1 on a CentOS 6 host in Alibaba cloud. He wants to use this. Think about it, or install PostgreSQL 8.1 on CentOS 7. The former is a 64 bit operating system, an ...

This chapter uses the actual example in CentOS 7.2 to show how to store relevant information through PostgreSQL. As an important member of the open-source relational database, PostgreSQL boasts that it is the most advanced open-source database in the world. Compared with other open-source relational databases such as MySQL, PostgreSQL is a comm ...

os: ubunbu 16.04 postgresql: 9.6.8 repmgr: 4.1.1 192.168.56.101 node1 192.168.56.102 node2 Install postgresql 9.6 software Both node1 and node2 need to use apt install to install postgresql9.6.8. The last bit represents the patch number # apt install postgresql-plpython-9.6 postgresql-plperl-9.6 postgresql-pltcl-9.6 postgresql ...

PG starts psql locally, accesses external tables, and exits The connection between PG and remotePG is broken as the client psql exits.   PG starts multiple psqls locally, and each psql accesses the external table once View remotePG process postgres@ubuntu:~$ ps -ef|grep post root 134 89 0 09:36 pts/0 00:00 ...

Note: this plug-in is only demonstrated in the test environment. If it is used in the production environment, please assess the risk yourself Environment list: Host 1: intranet: 125.10.1.166 System configuration list: IP HOSTNAME CPU MEM DISK RELEASE 1 ...

"High efficiency" means the speed of table building is fast? no, it's 9012 years. What do you want? Efficient table creation refers to how to quickly query this table. Under the same resource conditions, the query performance is better than that of ordinary tables!When we build a table, we usually attach attributes to the table, such ...