Can you explain the main use and purpose of the GROUPING SETS clause?
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Can you explain the main use and purpose of the GROUPING SETS clause?
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- What is the use of group by clause?SQL: Create a SQL query that uses an uncorrelated subquery and no joins to display the descriptions for products provided by a vendor in area code 615. Remember, the main difference between a correlated subquery and uncorrelated subquery is that, in a correlated subquery, the inner query is dependent upon the outer query, while, with an uncorrelated query, the inner query does not depend upon the outer query. Instead, it runs just once. You should NOT use union, minus, or intersect in this query. The outer query will use the PRODUCT table and the inner query will use the VENDOR table [hint: you should have 9 records of output]. My code: select p_descript from product where (select v_areacode from vendor where v_areacode = '615' ; I am getting this error, problem is I can't see what is missing any assistance is appreciated. ORA-00936: missing expressionWhat does the SELECT ASSIGN clause do in this snippet of code: ******************************************** ENVIROMENT DIVISION. ENVIROMENT DIVISION. ******************************************** INPUT-OUTPUT SECTION. INPUT-OUTPUT SECTION. FILE CONTROL. FILE CONTROL. SELECT PRINT LINE ASSIGN TO PRINT LINE. SELECT PRINT LINE ASSIGN TO PRINT LINE. ******************************************** ENVIROMENT DIVISION. ENVIROMENT DIVISION. ******************************************** INPUT-OUTPUT SECTION. INPUT-OUTPUT SECTION. FILE CONTROL. FILE CONTROL. SELECT PRINT LINE ASSIGN TO PRINT LINE. SELECT PRINT LINE ASSIGN TO PRINT LINE. Select one: a. Selecting the internal file name, PRINT-LINE, and assigning it to the internal file/data set, PRTLINE. b. Selecting the external file name, PRINT-LINE, and assigning it to the internal file/data set, PRTLINE. c. Selecting the external file name, PRINT-LINE, and assigning it to the external file/data set, PRTLINE. d. Selecting the…
- 01. You are given a list of queries, each consisting of three integers: a, b, and k. Your task is to perform a series of operations on an array of size n such that each element in the array is incremented by k in a specific range defined by a and b... Explain also. .What does the group by clause accomplish?1.Description: You are given a list of queries, each consisting of three integers: a, b, and k. Your task is to perform a series of operations on an array of size n such that each element in the array is incremented by k in a specific range defined by a and b.. Coding expansion.