Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL You can add a row using SQL in a database with which of the following? ADD INSERT MAKE CREATE ADD INSERT MAKE CREATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? All of these Increased dependence on a single vendor Reduced training costs Applications are not needed All of these Increased dependence on a single vendor Reduced training costs Applications are not needed ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ________ was adopted as a national standard by ANSI in 1992. DBase SQL Microsoft Access Oracle DBase SQL Microsoft Access Oracle ANSWER DOWNLOAD EXAMIANS APP