Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing Hi TRUE FLASE Nothing Hi TRUE FLASE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? REVOKE GRANT RENAME UPDATE REVOKE GRANT RENAME UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER DELETE COLLAPSE REMOVE ALTER DELETE COLLAPSE REMOVE 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 NULL is the same as blank for character not a value the same as 0 for integer the same as 0 for integer and blank for character the same as blank for character not a value the same as 0 for integer the same as 0 for integer and blank for character ANSWER DOWNLOAD EXAMIANS APP
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