Which of the following invokes functions in sql?

Related MCQs

• View the Exhibit and examine the data in the EMPLOYEES tables. Evaluate the following SQL statement: SELECT employee_id, department_id FROM employees WHERE department_id= 50 ORDER BY department_id UNION SELECT employee_id, department_id FROM employees WHERE department_id= 90 UNION SELECT employee_id, department_id FROM employees WHERE department_id= 10; What would be the outcome of the above SQL statement?
•                  dump, writes out SQL DDL statements and SQL insert statements to a file, which can then be reexecuted to re- create the database.
• Which SQL function is used to count the number of rows in a SQL query?
• PL/SQL has two types of subprograms, procedures and functions. Which subprogram isused to compute a value?
• SQL applies predicates in the                 clause after groups have been formed, so aggregate functions may be used.
• Aggregate functions are functions that take a                        as input and return a single value.
• Which of the following is used as the embedded SQL in COBOL?
• Which of the following is used to distinguish the variables in SQL from the host language variables?
• Which of the following SQL command can be used to modify existing data in a database table?
• Which of the following statements is/are not true for SQL profiler?