Introduction to SQL A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of columns. distinct values. values. groups. columns. distinct values. values. groups. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: all columns of the table are to be returned. None of these all records meeting the full criteria are to be returned. all records with even partial criteria met are to be returned. all columns of the table are to be returned. None of these all records meeting the full criteria are to be returned. all records with even partial criteria met are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a data sublanguage. a DBMS. an operating system. a programming language. a data sublanguage. a DBMS. an operating system. a programming language. ANSWER DOWNLOAD EXAMIANS APP