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SQL Anywhere 11.0.1 (中文) » SQL Anywhere 服务器 - SQL 参考 » 系统对象 » 视图 » 统一视图

 

SYSCATALOG 统一视图

SYSCATALOG 视图中的每一行都描述一个系统表。

在以下的 SQL 语句中提供了组成该视图的表和列。要了解有关特定表或列的详细信息,请使用该视图定义下所提供的链接。

ALTER VIEW "SYS"."SYSCATALOG"( creator,
  tname,dbspacename,tabletype,ncols,primary_key,"check",
  remarks ) 
  as select u.user_name,tab.table_name,dbs.dbspace_name,
    if tab.table_type_str = 'BASE' then 'TABLE' else tab.table_type_str endif,
    (select count() from SYS.ISYSTABCOL
      where ISYSTABCOL.table_id = tab.table_id),
    if ix.index_id is null then 'N' else 'Y' endif,
    null,
    rmk.remarks
    from SYS.SYSTAB as tab
      join SYS.ISYSDBSPACE as dbs on(tab.dbspace_id = dbs.dbspace_id)
      join SYS.ISYSUSER as u on u.user_id = tab.creator
      left outer join SYS.ISYSIDX as ix on(tab.table_id = ix.table_id and ix.index_id = 0)
      left outer join SYS.ISYSREMARK as rmk on(tab.object_id = rmk.object_id);
另请参见