【多选题】能修改列的数据类型指令是 A. ALTER TABLE ... ALTER COLUMN B. ALTER TABLE ... MODIFY COLUMN... C. ALTER TABLE ... CHANGE COLUMN ... D. ALTER TABLE ... UPFATE

删除列的命令是______。 A: alter table... delete... B: alter table...delete column... C: alter tabe..drop... D: alter table...drop column...

MySQL中，删除列的SQL语句是（） A: ALTER TABLE ... DELET.. B: ALTER TABL.. DELETE COLUMN... C: ALTER TABL.. DROP... D: ALTER TABL.. DROP COLUMN...

A column that fails due to normal stress, is called ( ) A: short column B: long column C: weak column D: medium column

Which one of the followings columns has the highest column efficiency? A: packed column B: WCOT column C: SCOT column D: PLOT column

Identify the column where the formatting rules have not been applied. A: Date column B: Ref column C: Item $ column D: Bal $ column

A column in journals and ledger accounts used to cross reference journal and ledger entries is the__________. A: account balance column B: debit column C: posting reference column D: credit column E: description column

Match the English in Column A with their meanings Match the English in Column A with their meanings in Column B.

What is not included in the three column theory ( ). ____ A: Ant. Column B: Mid. Column C: Upper column D: Post. Colum

_____ is a representation of the beauty of female. A: Doric column B: Ionic column C: Corinthian column