For SQL, Modify the following select statement. Convert the datatypes of all the columns to text. (Actually, sometimes this code will work as it is and the conversion of the datatypes is done automatically for you behind the scenes.) select date_1,                date_1,                date_1 from sec1507_first union select number_2,                word_2,                date_2 from sec1507_second;

plz help in sql In Triggers, BEFORE means before the changes are made in memory but after the changes are permanently saved to disk. Select one: a. True b. False

Task 3: The Car Maintenance team wants to insert and store the following maintenance types to the MAINTENANCE_TYPES table: ID: 1; Description: Tire Change; Price: 50 ID: 2; Description; Oil Change; Price: 45 ID: 3; Description; Full Cleaning; Price: 100 ID: 4; Description; Gas Pump Change; Price: 145 SQL Database Add the four maintenance types to the MAINTENANCE_TYPES table Test Query SELECT * FROM MAINTENANCE_TYPES Expected Results MAINTENANCE_TYPE_ID MAINTENANCE_TYPE_DESCRIPTION MAINTENANCE_PRICE 1 Tire Change 50 2 Oil Change 45 3 Full Cleaning 100 4 Gas Pump Change 145

CREATE TABLE Employee( firstName char(30) , lastName char(30) , hireDate date ,empNo int , empInitial char(30) , years int );   Write the SQL syntax to create an insert statement for the employee table you created above.

If the DOCTORS table has the following columns, and you want to write a SELECT statement to return the Doctors name and join_year who were joined before 2000, and after 2018. Column Name Data type Size Doctor_id Number Doctor_name Varchar2 30 Degree Varchar2 25 Join_year Number 4 Salary Number which of the following SQL statements should you use?

using the link below, select which data type best fits the following needs: https://www.w3schools.com/sql/sql_datatypes.asp The Date a student enrolls with a university The students phone number The name of a degree program The students financial aid amount

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

Need help writing SQL queries for sample data base

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…

How do I do this question in SQL command?  Use the Oracle database employees table and CASE expression to decode the departmentid. Display the department id, last name, salary, and a column called “New Salary” whose value is based on the following conditions: If the department id is 10 then 1.25 * salary If the department id is 90 then 1.5 * salaryIf the department id is 130 then 1.75 * salary Otherwise, display the old salary.