'Bud lite' presentation slideshows

Introduction to SQL

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More SQL

More SQL. Outerjoins , Grouping/Aggregation Insert/Delete/Update. Outerjoin. Suppose we join R ? C S . A tuple of R that has no tuple of S with which it joins is said to be dangling . Similarly for a tuple of S . Outerjoin preserves dangling tuples by padding them NULL.

386 views • 37 slides

Data Modification with SQL

CS4416 Database Systems CS5122 Development of IS 2. Data Modification with SQL. CREATE TABLE, INSERT, DELETE, UPDATE. Slides from http://infolab.stanford.edu/~ullman/fcdb/aut07/index.html#lecture. Database Modifications.

339 views • 20 slides