Introduction to SQL The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? FROM, WHERE, SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM WHERE, FROM,SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? UPDATE SAVE MODIFY SAVE AS UPDATE SAVE MODIFY SAVE AS ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? SELECT SYSDATE - SYSDATE FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; None of these SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: parenthesis -- (...) . brackets -- [...]. CAPITAL LETTERS. braces -- {...}. parenthesis -- (...) . brackets -- [...]. CAPITAL LETTERS. braces -- {...}. 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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