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
Introduction to SQL Which of the SQL statements is correct? None of these SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username AND Password FROM Users None of these SELECT Username, Password FROM Users SELECT Username, Password WHERE Username = 'user1' SELECT Username AND Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE SELECT INSERT JOIN DELETE SELECT INSERT JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 prints 045.926 is illegal prints garbage prints 50 prints 045.926 is illegal prints garbage ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? None of These SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; None of These SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
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