Kingbase export table structure

The database management tool function of NPC gold warehouse is not strong enough . Only through SQL To export the table structure .

View the database objects of the NPC gold warehouse , In addition to using its scripting tools ksql, It is estimated that it can only provide its own graphical tools “ Database object management tool ” 了 . No third-party tools . No means that you cannot use the database of the gold warehouse of the National People's Congress .

The problem is , People's gold warehouse's own tools are not easy to use , Lack of functionality that should have been provided , For example, export table structure . You see oracle Of plsql Query tools , To export the table structure, you can export , To generate ER You can generate ER chart . and kingbase Our database object management tools do not have these functions .

Only use sql Statement to query table information , Then export manually .

SELECT a.attname AS field,
       b.description AS COMMENT,
       t.typname AS type,
       CASE WHEN a.atttypmod<=0 THEN NULL ELSE (a.atttypmod-4) END AS lengthvar,
       a.attnotnull AS notnull
  FROM sys_class c 
     INNER JOIN sys_namespace n on c.relnamespace = n.oid,
     sys_attribute a LEFT JOIN sys_description b ON a.attrelid=b.objoid AND a.attnum = b.objsubid,
     sys_type t    
 WHERE a.attnum > 0
       and a.attrelid = c.oid
       and a.atttypid = t.oid
       AND nspname = 'work'     -- schema
       AND c.relname = 'outlet_nonfarmed' -- table_name
 ORDER BY a.attnum;

Reference article
Get table structure , Including column name and other information