Medicine. 1  hs, medical abbreviation for hours of sleep. 2  h.s., medical abbreviation for the Latin phrase hora somni (at bedtime) 3  Hereditary spherocytosis, a genetic disorder marked by hemolytic anemia.  Hidradenitis suppurativa, a skin condition affecting apocrine sweat glands and hair follicles.
Anti-Defamation League. For other uses, see Anti-Defamation League (disambiguation). The Anti-Defamation League (ADL; formerly known as the Anti-Defamation League of B'nai B'rith) is an international Jewish non-governmental organization based in the United States.
DDL (Data Definition Language) is a language used by a database management system (like Oracle) that allows users to define the database and specify data types, structures and constraints on the data. Examples DDL statements are: CREATE TABLE, CREATE INDEX, ALTER, and DROP. Note: DDL statements will implicitly COMMIT any outstanding transaction.