Introduction to SQL Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints 5 10 0 9 5 10 0 9 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? DELETE REMOVE COLLAPSE ALTER DELETE REMOVE COLLAPSE ALTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT student VALUES ( INSERT INTO student VALUES ( INSERT VALUES INTO student ( INSERT VALUES ( INSERT student VALUES ( INSERT INTO student VALUES ( INSERT VALUES INTO student ( INSERT VALUES ( ANSWER DOWNLOAD EXAMIANS APP
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 In SQL, which command is used to change a table's storage characteristics? MODIFY TABLE CHANGE TABLE None of these ALTER TABLE MODIFY TABLE CHANGE TABLE None of these ALTER TABLE 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 records with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. all columns of the table are to be returned. None of these all records with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. all columns of the table are to be returned. None of these ANSWER DOWNLOAD EXAMIANS APP