What is a sub-select statement?

A．a select statement that selects a subset of fields in a table

B．a select statement that returns a subset of the data in a table

C．a select statement that appears within another select statement

D．a select statement that returns a subset of the constraints on a field

[单选题]This statement is not ____ with what you said earlier.A. right B. consist C. accordance D. consistent

[单选题]What is a FALSE statement concerning the line throwing appliance on a vessel ().A．A drill on its use must be held once every three monthsB．The actual firing is at the discretion of the MasterC．The auxiliary line must be of a light colorD．The auxiliar

[主观题]What led you to select your major? You minor?

[单选题]According to Statement on Auditing Standards No.99, Consideration of Fraud

[单选题]A vertical common-size income statement expresses each category of the inco

[单选题]Which of the following statement is NOT true?A． When you run out of money, you can ask your partner to call back.B． Telephone books in the US have different colors.C． The state of Oregon has several area codes.D． An area code is necessary in making a

[单选题]Which statement is NOT true?A．While displacement pump works, volume of the working chamber will increase and decrease alternatelyB．A gear pump always has two gearsC．Any vane pump will have a rotor within a ringD．A balanced vane pump has two outlet po

[单选题]Which statement is NOT true?A．In a simple vane pump, the rotor and cam ring are exactly concentricB．Balanced vane pump has an elliptical cam ringC．Liquid in both gear pump and vane pump are forced out to the outlet.D．Balanced vane pumps can work at a

[单选题]Which statement is True?A．The Port State Control Officer has no right to check a SSPB．The Master has the right to refuse the request from a Port State Control Officer to check the confidential part of the SSP on boardC．The Confidential part of a SSP

[单选题]Which statement is NOT true?A．Most callers are girl students．B．There are only a few callers every time．C．The students’ phones show that many parents failed in properly handling their children’ s problems．D．This special phone line has been in service