System tables and usage in Sql Server database
sysaltfiles: The main database saves the database files
syscharsets: main database character set and sort order
sysconfigures: main database configuration options
syscurconfigs: current configuration options of the main database
sysdatabases: the databases in the main database server
syslanguages: main database language
syslogins: main database login account information
sysoledbusers: main database link server login information
sysprocesses: the main database process
sysremotelogins main database remote login account
syscolumns: each database column
sysconstrains: each database limit
sysfilegroups: each database file group
sysfiles: each database file
sysforeignkeys: foreign keys for each database
sysindexs: each database index
sysmenbers: members of each database role
sysobjects: all database objects for each database
syscomments: Details of database objects
syspermissio ns: permissions for each database
systypes: user-defined data types for each database
sysusers: each database user
Get all table names and rows in the database
select a.name,b.rows
from sys.sysobjects as a inner join sys.sysindexes as b on a.id=b.id
where a.type='u' and b.indid<2
order by a.name,b.rows desc