Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT DELETE JOIN INSERT SELECT DELETE JOIN INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. brackets -- [...]. parenthesis -- (...) . braces -- {...}. CAPITAL LETTERS. brackets -- [...]. parenthesis -- (...) . braces -- {...}. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A base table that cannot be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands A base 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 virtual table that can be accessed via SQL commands A base table that can be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 1234 2345 456789 6789 1234 2345 456789 6789 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
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