--检查不符合数据库命名规范的字段名

Select TABLE_NAME,COLUMN_NAME,DATA_TYPE

From user_tab_columns

Where column_name In --(Select keyword From v$reserved_words)

('ACCESS','ADD','ALL','ALTER','AND','ANY','AS','ASC','AUDIT','BETWEEN','BY','CHAR','CHECK','CLUSTER',

'COLUMN','COMMENT','COMPRESS','CONNECT','CREATE','CURRENT','DATE','DECIMAL','DEFAULT','DELETE',

'DESC','DISTINCT','DROP','ELSE','EXCLUSIVE','EXISTS','FILE','FLOAT','FOR','FROM','GRANT','GROUP',

'HAVING','IDENTIFIED','IMMEDIATE','IN','INCREMENT','INDEX','INITIAL','INSERT','INTEGER','INTERSECT',

'INTO','IS','LEVEL','LIKE','LOCK','LONG','MAXEXTENTS','MINUS','MLSLABEL','MODE','MODIFY','NOAUDIT',

'NOCOMPRESS','NOT','NOWAIT','NULL','NUMBER','OF','OFFLINE','ON','ONLINE','OPTION','OR','ORDER',

'PCTFREE','PRIOR','PRIVILEGES','PUBLIC','RAW','RENAME','RESOURCE','REVOKE','ROW','ROWID','ROWNUM',

'ROWS','SELECT','SESSION','SET','SHARE','SIZE','SMALLINT','START','SUCCESSFUL','SYNONYM','SYSDATE',

'TABLE','THEN','TO','TRIGGER','UID','UNION','UNIQUE','UPDATE','USER','VALIDATE','valueS','VARCHAR',

'VARCHAR2','VIEW','WHENEVER','WHERE','WITH')

Or column_name Like '% %'

--检查数据库中相同名字不同类型的字段名

select a.column_name,a.data_type,b.data_type From

(select distinct column_name,data_type from all_tab_columns Where TABLE_NAME Like 'T%') a,

(select distinct column_name,data_type from all_tab_columns Where TABLE_NAME Like 'T%') b

where a.column_name=b.column_name and a.data_type<>b.data_type

--检查数据库中相同名字相同类型不同长度的字段名

select a.column_name,a.data_type,b.data_type,a.data_length,b.data_length From

(select distinct column_name,data_type,data_length from all_tab_columns Where TABLE_NAME Like 'T%') a,

(select distinct column_name,data_type,data_length from all_tab_columns Where TABLE_NAME Like 'T%') b

where a.column_name=b.column_name and a.data_type=b.data_type And A.DATA_LENGTH<>B.DATA_LENGTH