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- What is the difference between `- gt; gt;` and `- gt;` in Postgres SQL?
What is the difference between ->> and -> in SQL? In this thread (Check if field exists in json type column postgresql), the answerer basically recommends using, json->'attribute' is
- sql - PostgreSQL IF statement - Stack Overflow
How can I do such query in Postgres? IF (select count(*) from orders) gt; 0 THEN DELETE from orders ELSE INSERT INTO orders values (1,2,3);
- Find the host name and port using PSQL commands
I have PSQL running, and am trying to get a perl application connecting to the database Is there a command to find the current port and host that the database is running on?
- Postgresql SELECT if string contains - Stack Overflow
One thing non-intuitive thing is that for postgres, position is 1 based, not 0 based For example select position ('a' in 'abc') returns 1 And if there is no match it returns 0
- What is the default password for Postgres - Stack Overflow
I have just installed Postgres 9 3 on Windows 7 The installation completed successfully It has never asked me to provide the password for postgres user The service postgresql-x64-9 3 is up and r
- Run PostgreSQL queries from the command line - Stack Overflow
I have no doubt on @Grant answer But I face few issues sometimes such as if the column name is similar to any reserved keyword of postgresql such as natural in this case similar SQL is difficult to run from the command line as "\natural\" will be needed in Query field So my approach is to write the SQL in separate file and run the SQL file from command line This has another advantage too
- How to show data in a table by using psql command line interface?
Is there a way to show all the content inside a table by using psql command line interface? I can use \\list to show all the databases, \\d to show all the tables, but how can I show all the data in a
- sql - Right query to get the current number of connections in a . . .
Note that when the postgres command line tool, PSQL is used for executing this query, the total number of connections is the result of this query - 1 since the psql connection made is also included as a connection
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