May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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This was just one way to define variables. Another is to indicate them in the command line, when running the script:
psql -v tabname=mytab2 -f vartest.sql
Variables can also be set interactively. The following line will prompt the user, and then set the variable to whatever is typed before hitting Enter:
\prompt 'Insert the table name: ' tabname
In the next recipe, we will see how to set variables using a SQL query.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.