In this chapter, we will cover the following recipes:
- Writing a script that either succeeds entirely or fails entirely
- Writing a psql script that exits on the first error
- Using psql variables
- Placing query output into psql variables
- Writing a conditional psql script
- Investigating a psql error
- Performing actions on many tables
- Adding/removing columns on a table
- Changing the data type of a column
- Changing the definition of a data type
- Adding/removing schemas
- Moving objects between schemas
- Adding/removing tablespaces
- Moving objects between tablespaces
- Accessing objects in other PostgreSQL databases
- Accessing objects in other foreign databases
- Updatable views
- Using materialized views
