What is system tables in database?

Question

The database system contains a number of system tables that you can use to select information about the configuration, structures, and sizes of database objects. These statistics system tables are available in the database system administrator schema. You do not need to specify the schema to access these tables.

What is the function of system table?

The system/table/functions helps us to monitor our database, track changes and measure the performance of the databases. There are multiple uses of these objects to help us in our real life problems.

Which information is stored in the system table?

System tables in SQL Server contain the all-important meta data, the data about your data. This data includes information about table names, column names, and data types, so that SQL Server can properly process queries and return result sets.

What are system tables in Oracle?

System TableDescriptionALL_TABLESDescription of relational tables accessible to the userALL_TAB_COLUMNSColumns of user's tables, views and clustersALL_TAB_COL_STATISTICSColumns of user's tables, views and clustersALL_TAB_COMMENTSComments on tables and views accessible to the user

What are the types of tables in database?

There are three types of tables: base, view, and merged. Every table is a document with its own title, viewers, saved visualizations, and set of data.base: A table. ... view: A table that is populated by data from a base table.Types of tables - Fusion Tables Help - Google Support

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