informix system table description

systables: describes the table information in the database;
syscolumns: describes the columns of the table in the database;
sysindexes: describes the index of the columns in the database;
sysfragments: stores the fragment information of the segmented index;
sysfragauth: the table identifies the column-level permissions;
sysviews: describes the Each view defined in the database;
sysdpend: describes how views depend on other views and tables;
syssyntable: defines each synonym and the object it represents;
sysconstraints: records constraints loaded on database table columns;
sysreferences: Lists the referential constraints placed on the database, it creates a row for each referential constraint of the database
syscoldepend: records all columns involved in check constraints, including each column in the constraint will create a row in the syscoldepend table;
sysprocedures: store the database The characteristics of each procedure in the;
sysprocplan: loaded with two things required for the execution of the procedure (execution plan or query plan, affiliate list);
sysprocauth: described the permissions granted to the stored procedure;
systriggers: loaded with information about triggers;
sysblobs : Determines the storage location of the BLOB column;
sysroleauth: describes the roles granted to the user;
sysobjstate: stores state information about database objects;
sysvlolations: violation or diagnostic table;