Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? Increased dependence on a single vendor All of these Reduced training costs Applications are not needed Increased dependence on a single vendor All of these Reduced training costs Applications are not needed ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a programming language. an operating system. a DBMS. a data sublanguage. a programming language. an operating system. a DBMS. a data sublanguage. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following are the five built-in functions provided by SQL? COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to eliminate a table from a database is: DROP TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DELETE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DROP TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DELETE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; ANSWER DOWNLOAD EXAMIANS APP
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