Question 19 (2.5 points) A relational database consists of one or more what? rows columns tables cells Question 20 (2.5 points) A SQL Server database consists of two files: a database file and a error file log file creation file foreign key file Question 21 (2.5 points) Which of the following types of statements isn't an action query? Select Insert Update Delete To relate one table to another, a/an another table. in one table is used to point to the primary key in index composite primary key primary key foreign key Question 23 (2.5 points) To store and manage the databases of the client/server system, each server requires what? Structured Query Language (SQL) data access API (application programming interface) database management system (DBMS) tables Question 24 (2.5 points) To concatenate character strings in a string expression, which operator do you use? = A graphical tool that you can use to start and stop the database server is called what? SQL Server Management Studio SQL Server Configuration Manager Object Explorer Table Designer Question 26 (2.5 points) The search condition of a WHERE clause consists of one or more string expressions Boolean expressions numeric expressions none of the above Question 27 (2.5 points) The Query Editor of the Management Studio lets you enter and execute all types of SELECT statements DDL statements DML statements SQL statements