Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? COMMIT DELETE ROLLBACK TRUNCATE COMMIT DELETE ROLLBACK TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL How to select all data from student table starting the name from letter 'r'? SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE '%r'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword(s) ________ is used with wildcards. LIKE only IN and NOT IN NOT IN only IN only LIKE only IN and NOT IN NOT IN only IN only ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL query and modification commands make up a(n) ________ . XML DDL HTML DML XML DDL HTML DML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A virtual table that can be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
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