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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: modify database data only. create database structures only. query database data only. All of these modify database data only. create database structures only. query database data only. All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? UPPER MOST TOP MAX UPPER MOST TOP MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." True False True False ANSWER DOWNLOAD EXAMIANS APP