The pg_stat_statements module provides a means for tracking planning and execution statistics of all SQL statements executed by a server. The statistics gathered by the module are made available via a ...

The catalog pg_namespace stores namespaces. A namespace is the structure underlying SQL schemas: each namespace can have a separate collection of relations, types, etc. without name conflicts.

School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China ...