Introduction to SQL SQL data definition commands make up a(n) ________ . DML XML HTML DDL DML XML HTML DDL 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 5 10 9 0 5 10 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A virtual table that can be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
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