pg dump command

One, database upgrade 9.4 to 9.51.pg_dump Import and export (used when data volume is small)Postgres User Login$ pg_dumpall > Db_export.out$ env|grep LANGLang=en_us. UTF-8If the database character set is en_US. UTF-8, the system character set is

When writing programs, especially embedded programs, we usually need to analyze the program's performance so that the program can run faster and better to achieve real-time. If the program is large, it will be difficult to analyze it. If there is a

Introduction to C development tools in Linux-general Linux technology-Linux programming and kernel information. The following is a detailed description. The Linux release contains many software development tools. many of them are used for C and C ++

The Linux release contains many software development tools. many of them are used for C and C ++ application development. this article describes the tools that can be used for C application development and debugging in Linux. the purpose of this

Ceph environment setup (2)1. There are three layout hosts: node1, node2, and node3. Each host has three osdks, as shown in figure. osd1, and 8 are SSD disks, 4 is the SATA disk. Each of the three hosts has a Monitor and an MDS. We use osd1, 3, and 4

Linux Command abbreviations bin = BINaries/dev = DEVices/etc = ETCetera/lib = LIBrary/proc = PROCesses/sbin = Superuser BINaries/tmp = TeMPorary/usr = Unix Shared Resources/ var = VARiable? FIFO = First In, First Out GRUB = GRand uniied Bootloader

Know his watch, and it needs to know its meaning. Apt = Advanced Packaging Tool AR = archiver As = Assembler awk = "Aho Weiberger and Kernighan" The first letter of the last name of three authors bash = Bourne Again SHell BC = Basic (Better)

Ls:list (List contents) Cd:change directory (change directory) Su:switch User Switch users Rpm:redhat Package Manager Red Hat Pack Manager Pwd:print Work Directory Print current directory displays the absolute path of the current working

Ps gv | head-N 1; ps gv | egrep-V "RSS" | sort + 6B-7-n-r | head-N 11 2 shows the complete command based on your situation; 3. The value 0 indicates that the ratio of the used memory to the total physical memory is close to 0, indicating that it is

After being acquired by sun and oracle, Mysql has not been acquired by the oracle giant. On the contrary, it has been developing very fast in recent years. everyone knows that oracle is not doing well with mysql, the open-source market will be