What is the difference betweenWhat is the difference between DDL and DML commands? DDL and DML commands?
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What is the difference betweenWhat is the difference between DDL and DML commands? DDL and DML commands?
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- What is the difference between DDL and DML commands?Write an XML file that describes information of students in a class. The following table has the students’ details: Name ID Ahmed 1000 Muhammad 2000 Note that the root element start and end tags are provided <class>Explain in brief DDL, DML and DCL command with the help of example.
- Write an XML file that describes information of students in a class. The following table has the students' details: Name ID Ahmed 1000 Muhammad 2000 Note that the root element start and end tags are providedWrite a PHP script that displays an HTML table showing all of the attributes of each of the tables in the bysykkel database. The table name should be in the left hand column and the attribute names in the right hand columnHi, I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have. Please be advised I am using PostgreSQL. Thus, I must use LANGUAGE PLPGSLQ as that is what the professor is looking for. Thank you for your help. Code CREATE TABLE instructor_course_nums (ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25)); CREATE TEMPORARY TABLE instructor_course_nums (ID VARCHAR(5),name VARCHAR(20),tot_courses INTEGER); CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc(INOUT i_ID VARCHAR(5))LANGUAGE PLPGSQLAS$$
- What attributes would you create for a “movie” XML element? What default would you use for your attributes? Which values might be fixed?Identify the default model for complex type in XML schema for elements? a. Text and Elements b. Element only c. No default type d. Text onlya). What are the JSON advantages over XML? Can we add comments to JSON? b) Why do we need asynchronous programming in NodeJS? Which use cases can we not satisfy synchronously, and why is this not the case in most programming languages? c) Why does NodeJS introduce Promises? What are the use cases in which using Promises is easier than callbacks?
- Hi, I am looking for some help to solve this question. I cannot figure out how to solve it and the code below is all I have. The application being used: PostgreSQL edition 12 or 13. I must use LANGUAGE PLPGSLQ as that is what the professor is looking for. Thank you for your help. Tables in the DB:instructor (id, name, dept_name, salary)teaches (id, course_id, sec_id, semester, year) CREATE TEMPORARY TABLE instructor_course_nums (ID VARCHAR(5),name VARCHAR(20),tot_courses INTEGER); CREATE OR REPLACE PROCEDURE Moreno_03_insCourseNumsProc(INOUT i_ID VARCHAR(5))LANGUAGE PLPGSQLAS$$BEGINSELECT name INTO instructor.name FROM instructor WHERE instructor.id = i_id;SELECT COUNT(*) INTO course FROM teaches WHERE teaches.id = i_id;SELECT COUNT(*) INTO l_Exist_count FROM instructor_course_nums WHERE instructor_id= i_id;END;$$;explain the concept of DDL and DML with an example?8. What Swift structures or classes are necessary to retrieve data from a Web API? Assume that the data is formatted using JSON and you want to store the results into a dictionary. Only provide the names of the structures or classes that you will need to use.