Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Hi Nothing FLASE TRUE Hi Nothing FLASE TRUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: ORDER BY. SORT BY. None of these GROUP BY. ORDER BY. SORT BY. None of these GROUP BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? COLLAPSE DELETE ALTER REMOVE COLLAPSE DELETE ALTER REMOVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: modify database data only. All of these create database structures only. query database data only. modify database data only. All of these create database structures only. query database data only. ANSWER DOWNLOAD EXAMIANS APP
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 9 0 10 5 9 0 10 5 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer and blank for character the same as 0 for integer not a value the same as blank for character the same as 0 for integer and blank for character the same as 0 for integer not a value the same as blank for character ANSWER DOWNLOAD EXAMIANS APP
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