What are some common uses for the STRING_AGG function in SQL?

In EXCEPT (MINUS) queries, the order of operands matters, but in UNION queries, it doesn't?

Write a function and a call program in PL/SQL to sum the even integers between 1 and any number that is passed as parameter to the function. Use the editor to format your answer

How can the CAST function be combined with other functions to enhance data type compatibility in SQL queries?

What advantages does the ISNULL function offer when dealing with missing data in SQL?

Function is in pl/sql

What use cases are best suited for the CROSS APPLY function in SQL?

SQL ( ORACLE SQL DEVELOPER ) : THIS IS FIRST , SECOND AND THIRD TABLE for the Task 1 to solve : create table author_45( auth_name char(50), gender char(1), age number(3), nationality char(50), PRIMARY KEY (auth_name) ); create table book_45( isbn number(10), title char(50), ver_no number(2), publisher char(50), PRIMARY KEY (isbn) ); create table writtenBy_45( isbn number(10), auth_name char(50), yr_published number(4), price number(3), no_copy number(4), PRIMARY KEY (isbn,auth_name), foreign key (isbn) references book_45, foreign key (auth_name) references author_45 ); insert into author_45 values ('Benoit','F',42,'French'); insert into author_ 45 values ('Antonini','M',33,'Italian'); insert into author_ 45 values ('McAven','F',31,'Australian'); insert into author_ 45 values ('Williams','M',90,'British'); insert into book_45 values (101,'atabases',1,'Possum'); insert into book_45 values (202,'SQL Primer',2,'Hall'); insert into book_45 values...

Can we use DDL and DML statements in Function SQL?

SQL Database Write PL/SQL or T-SQL procedures to retrieve and output the reservation ID, trip ID, number of persons, and trip price for every reservation whose customer number is stored in I_CUSTOMER_NUM