Introduction to SQL You can add a row using SQL in a database with which of the following? MAKE CREATE INSERT ADD MAKE CREATE INSERT ADD ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? Both of above Data Manipulation Language(DML) Data Definition Language(DDL) None Both of above Data Manipulation Language(DML) Data Definition Language(DDL) None 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? 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; None of These ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? TOP MOST MAX UPPER TOP MOST MAX UPPER ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS