ALL_TAB_COLUMNS view contains information about the columns in all tables accessible : all_tab_columns « System Tables Views « Oracle PL / SQL

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Oracle PL / SQL » System Tables Views » all_tab_columns

ALL_TAB_COLUMNS view contains information about the columns in all tables accessible

  



SQL> select column_name, data_type from all_tab_columns

  2  where table_name = 'COUNTRIES';



COLUMN_NAME

------------------------------

DATA_TYPE

--------------------------------------------------------------------------------

COUNTRY_ID

CHAR



COUNTRY_NAME

VARCHAR2



REGION_ID

NUMBER





SQL>

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Query all_tab_columns table and decode the data_type, data_precision, nullable columns

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