\h [NAME] help on syntax of SQL commands, * for all commands Query Buffer \e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] edit function definition with external editor \ev [VIEWNAME [LINE]] edit view definition with external editor \p sh...
示例:psql postgresql://postgres:123456@192.168.51.17:5432/database 二、执行SQL脚本操作 由于命令行脚本不支持交互式的输入,因此只能将要执行的SQL脚本配置好,登陆时直接调用sql脚本。 psql.exe -f "E:\script\execute.sql" postgresql://postgres:123456@192.168.51.17:5432/database 即直接在exe后面加选项指定s...
You are using psql, the command-line interface to PostgreSQL. Type: \copyright for distribution terms \h for help with SQL commands \? for help with psql commands \g or terminate with semicolon to execute query \q to quit \? 用来查看psql命令。命令很多。。。 \l,列出所有数据库; \c[onne...
options showhelpon psql command-line options \? variables showhelpon special variables \h [NAME]helpon syntax of SQL commands, *forall commands Query Buffer \e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] editfunctiondefinition with external edito...
https://www.postgresql.org/docs/9.5/static/sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS 关于垃圾回收,除了设置以上两个阈值,还有3个非常关键的参数 postgres=# show autovacuum_max_workers ; autovacuum_max_workers --- 5 (1 row) 同时可以起多少个垃圾...
At this point you're expected to type commands and parameters into the command line. psql vs SQL commands psqlhas two different kinds of commands. Those starting with a backslash are forpsqlitself, as illustrated by the use of\qto quit. ...
options show help on psql command-line options \?variables show help on special variables \h[名称]SQL命令语法上的说明,用*显示全部命令的语法说明 查询缓存区 \e[FILE][LINE]使用外部编辑器编辑查询缓存区(或文件)\ef[FUNCNAME[LINE]]使用外部编辑器编辑函数定义 \p 显示查询缓存区的内容 \r 重置(清除...
When you are working with a database, or any other kind of software, your experience is enhanced or hindered by the tools you use to interact with it. PostgreSQL has a command line tool, psql, and it’s pretty powerful, but some people much prefer a grap
<?php $db = new PDO('pgsql:host=localhost'); $statement = $db->prepare("SELECT datname FROM pg_database"); $statement->execute(); while ($row = $statement->fetch()) { echo "<p>" . htmlspecialchars($row["datname"]) . "</p>\n"; } ?> ...
-S,--single-line single-line mode (end of line terminates SQL command) Outputformat options: -A,--no-align unaligned table output mode -F,--field-separator=STRING field separatorforunalignedoutput(default:"|") -H,--html HTML table output mode ...