-L, --log-file=FILENAME send session log to file -n, --no-readline disable enhanced command line editing (readline) -o, --output=FILENAME send query results to file (or |pipe) -q, --quiet run quietly (no messages, only query output) -s, --single-step single-step mode (confirm ...
-L, --log-file=FILENAME send session log to file -n, --no-readline disable enhanced command line editing (readline) -o, --output=FILENAME send query results to file (or |pipe) -q, --quiet run quietly (no messages, only query output) -s, --single-step single-step mode (confirm ...
postgres=# app-psql,PostgreSQL 的数据库客户端,从始至终都支持变量。这些可以让您以安全的方式编写某些查询,即使从outside获取参数也是如此。 要使用它们,我们首先需要知道如何设置它们。为此,我们有多种方法: 您可以将变量作为参数传递给 psql:psql -v var=value(可以使用–set=x=y或–variable=x=y代替-v x...
-X, --no-psqlrc 不读取启动文档(~/.psqlrc) -1 ("one"), --single-transaction 作为一个单一事务来执行命令文件(如果是非交互型的) -?, --help[=options] 显示此帮助,然后退出 --help=commands 列出反斜线命令,然后退出 --help=variables 列出特殊变量,然后退出 输入和输出选项: -a, --echo-all 显...
例如，如果您正在获取一个使用\命令的SQL文件，请使用build a command withProcessBuilder，然后以批处理...
\watch is useful when you want to repeat running a query at regular intervals. For example, you can use \watch 5 to run a query every 5 seconds. The query that's rerun is the last query you entered. On this page Getting psql installed Connecting to a database The psql command line ...
qmake src 3rdparty activeqt corelib dbus declarative gui imports multimedia network opengl openvg phonon plugins qt3support s60installs s60main script scripttools sql drivers db2 ibase mysql oci odbc psql qsql_psql.cpp qsql_psql.h qsql_psql.pri ...
Run the following command to generate the queries that will grant select access to your new user:SELECT 'GRANT SELECT ON '||schemaname||'."'||tablename||'" TO chartio_read_only_user;' FROM pg_tables WHERE schemaname IN ('public') ORDER BY schemaname, tablename;...
We can use it with thepsqlcommand in a single line: $ psql postgresql://username:password@localhost:5432/database_name Connection URIs can be easily modified to change connection parameters without altering multiple settings. In addition, several libraries and frameworks support connection URIs, enabl...
The “\echo” command is used to print the statement specified after it on the psql. We can use this meta-command to make comments in the psql. This method can be implemented like this: \dt \echodisplay_all_the_tables! This method will also work fine. The query will also run as it...