Postgresql 中文操作指南
37.3. information_schema_catalog_name #
information_schema_catalog_name 是一个始终包含一个行和一列的表格，其中包含当前数据库的名称（在 SQL 术语中为当前目录）。
information_schema_catalog_name is a table that always contains one row and one column containing the name of the current database (current catalog, in SQL terminology).
Table 37.1. information_schema_catalog_name Columns
Table 37.1. information_schema_catalog_name Columns
Column Type Description |
catalog_name sql_identifier Name of the database that contains this information schema |