query

Query processing in dbms

Nov 30, 2022 -- Query processing is the process through which a Database Management System (DBMS) parses, verifies, and optimizes a given query before creating low-level code that the DB.

Query a list of city names from station for cities that have an even id number. print the results in any order, but exclude duplicates from the answer.

You may print the results in any order, but must exclude duplicates from your answer.*/. select distinct CITY from STATION where ID%2=0; /*Let N be the number of CITY entries in STATION, and let N'be the number of distinct CITY names in STATION; query the value of N-N' from STATION.

What symbol specifies the beginning of a query string

What Symbol Specifies the Beginning of a Query String? A @ B ? C # D % Solution The correct option is B ? A correct answer is option (B) ? The symbol that specifies the beginning of a query string is ‘?’. Suggest Corrections 0 Similar questions Q. Write all symbols beginning with the letter C. Q. Good afternoon mam/sir

The ability to query data, as well as insert, delete, and alter tuples, is offered by

09.03.2022 Computer Science Secondary School answered • expert verified The ability to query data, as well as insert, delete, and alter tuples, is offered by (A) TCL Transaction Control Language) (B) DCL (Data Control Language) (C) DDL (Data Definition Language) (D) DLM (DATA MANIPULATION LANGUAGE ) See answers Advertisement aburaihana123