the command that will delete all the records in the table "Books" is .a DELETE ROWS FROM Books; .b O .c .d O
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- In the formula below, which references will update when copied? =$C$3+$E7 a. Row 3 b. Row 7 c. Column C d. Column ECreate a trigger that will prefix the values of item category with ‘dev-‘ when a new row insinserted. For example if the inserted category is ‘rdf’ then then the value should become ‘devrdf’. Below is the item tableCREATE TABLE Item (ItemID NUMBER PRIMARY KEY, category VARCHAR2(12)); Write in SQLCreate Trigger for When a student marks are being inserted, if the marks that are inserted are greater than 50, allow the insertion, but update marks to 50. Marks(Id , Marks) -> Table Fill in the blanks: ___ triggerName Before ___ ON Marks REFERENCING _____ AS nrow FOR EACH ROW WHEN (nrow.marks>50) _____ nrow SET nrow.marks = 50;
- Which of the following statements DOES NOT delete the last value in the list lst? a) 1st.pop( b) 1st.remove(-1) c) 1st = lst[:-1] d) 1st.pop(len(lst)-1)Sql server 2019 Get a count of the records in InvoiceArchive, the column header should read Record Count.Which of the following statements is correct? (refer to the tables in the JustLee Books database) a. A table can contain a maximum of only one column marked as unused. b. You can delete a table by removing all columns in the table. c. Using the SET UNUSED clause allows you to free up storage space used by a column. d. None of the above statements are correct.
- Create a table in your own database using the following statement. CREATE TABLE DateRange (DateID INT IDENTITY, DateValue DATE, DayOfWeek SMALLINT, Week SMALLINT, Month SMALLINT, Quarter SMALLINT, Year SMALLINT ); Write a stored procedure that accepts two parameters: A starting date The number of the consecutive dates beginning with the starting date The stored procedure then inserts data into all columns of the DateRange table according to the two provided parameters.Write a SELECT statement that returns all rows with salary, last name, street address and ZIP code (SALARY, LAST_NAME, STREET, ZIP_CODE) from the EMPLOYEE and ADDRESS tables, sorted by SALARY from largest to smallest. STREET and ZIP_CODE are in the ADDRESS table, while the other fields are in the EMPLOYEE table. The common key is EMPLOYEE_ID.CREATE TABLE MOVIE( mov_id int NOT NULL, mov_title varchar(255) NOT NULL, mov_releaseDate date, gen_id int NOT NULL, PRIMARY KEY (mov_id), FOREIGN KEY (gen_id) REFERENCES GENRE(gen_id) ); CREATE TABLE GENRE( gen_id int NOT NULL, PRIMARY KEY (gen_id), gen_name varchar(255) NOT NULL ); Search movies by year. Using the tables above, create a stored procedure, called getMovieByYear, that, given a year, returns all the movies which were released in that year. It displays the movie title, movie’s genre name, and release year.please use MySQL Workbench with screenshots of it for the explanation.
- CREATE TABLE MOVIE( mov_id int NOT NULL, mov_title varchar(255) NOT NULL, mov_releaseDate date, gen_id int NOT NULL, PRIMARY KEY (mov_id), FOREIGN KEY (gen_id) REFERENCES GENRE(gen_id) ); CREATE TABLE GENRE( gen_id int NOT NULL, PRIMARY KEY (gen_id), gen_name varchar(255) NOT NULL );Search movies by year. Using the tables above, create a stored procedure, called getMovieByYear, that, given a year, returns all the movies which were released in that year. It displays the movie title, movie’s genre name, and release year.Which function can be used to add spaces to a column until it’s a specific width? (refer to the tables in the JustLee Books database.)a. TRIMLb. PADLc. LWIDTHd. none of the aboveQ9:- Which data-type .maketrans() return? Table List Tuple Dictionary Q 10:- How to loop over the float range? Arange Enumerate Range None of these Q4:- Which of the following is correct ? deafaultdict throws a KeyErrror when the key is not present in it. Sorting dictionary by the key has more runtime accessing than the sorting by the value. c)Sorting dictionary by the key has less runtime accessing than the sorting by the value. d).None of these. Q5:- Choose the correct statement:- getattr() and setattr() are used to retrieve and set class attributes. pow() and ** will always produce the same value. getattr() and setattr() are used to retrieve and set Constructor attribute. None of these.