PDF-CS145LectureNotes#9SQL
NULLsConstraintsTriggers
Exampleschema
CREATETABLEStudentSIDINTEGERPRIMARYKEYnameCHAR30ageINTEGERGPAFLOATCREATETABLETakeSIDINTEGERCIDCHAR10PRIMARYKEYSIDCIDCREATETABLECourseCIDCH
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