Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? ORDER ORDER BY SORT BY SORT ORDER ORDER BY SORT BY SORT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... REMOVE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints gh 23 ab bc gh 23 ab bc ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? None of these Structured Query List Simple Query Language Structured Query Language None of these Structured Query List Simple Query Language Structured Query Language ANSWER DOWNLOAD EXAMIANS APP
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