Introduction to SQL 'AS' clause is used in SQL for Projection operation. Join operation. Rename operation. Selection operation. Projection operation. Join operation. Rename operation. Selection operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? SAVE AS UPDATE SAVE MODIFY SAVE AS UPDATE SAVE MODIFY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these SUM MAX COUNT All of these SUM MAX COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement that queries or reads data from a table is ________ . None of these READ SELECT QUERY None of these READ SELECT QUERY ANSWER DOWNLOAD EXAMIANS APP
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