Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: use FROM to name the source table(s) and list the columns to be shown after SELECT. use SELECT to name the source table(s) and list the columns to be shown after USING. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use FROM to name the source table(s) and list the columns to be shown after SELECT. use SELECT to name the source table(s) and list the columns to be shown after USING. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? COUNT MAX All of these SUM COUNT MAX All of these SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? ALTER REMOVE COLLAPSE DELETE ALTER REMOVE COLLAPSE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE INSERT JOIN SELECT DELETE INSERT JOIN SELECT ANSWER DOWNLOAD EXAMIANS APP
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