Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints ab gh bc 23 ab gh bc 23 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? RENAME GRANT UPDATE REVOKE RENAME GRANT UPDATE REVOKE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 456789 1234 2345 6789 456789 1234 2345 6789 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: brackets -- [...]. braces -- {...}. parenthesis -- (...) . CAPITAL LETTERS. brackets -- [...]. braces -- {...}. parenthesis -- (...) . CAPITAL LETTERS. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is valid SQL for an Index? ADD INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; ADD INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; REMOVE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
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