Introduction to SQL ON UPDATE CASCADE ensures which of the following? Data Integrity Normalization Materialized Views All of these Data Integrity Normalization Materialized Views All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? LEN AVG JOIN LEFT LEN AVG JOIN LEFT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. ONLY SINGLE UNIQUE DISTINCT ONLY SINGLE UNIQUE DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? None of these LIKE operator BETWEEN operator EXISTS operator None of these LIKE operator BETWEEN operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints 23 gh ab bc 23 gh ab bc ANSWER DOWNLOAD EXAMIANS APP
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