Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return exactly 10 rows less than 10 rows more than 10 rows None of these exactly 10 rows less than 10 rows more than 10 rows None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE INSERT JOIN SELECT DELETE INSERT JOIN SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? SELECT, FROM, WHERE SELECT,WHERE,FROM WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM WHERE, FROM,SELECT FROM, WHERE, SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? EXISTS operator LIKE operator None of these BETWEEN operator EXISTS operator LIKE operator None of these BETWEEN operator ANSWER DOWNLOAD EXAMIANS APP
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