Introduction to SQL What operator tests column for the absence of data? IS NULL operator EXISTS operator NOT operator None of these IS NULL operator EXISTS operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Selection operation. Rename operation. Projection operation. Join operation. Selection operation. Rename operation. Projection operation. Join operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL You can add a row using SQL in a database with which of the following? INSERT ADD MAKE CREATE INSERT ADD MAKE CREATE ANSWER DOWNLOAD EXAMIANS APP
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