Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints 23 ab bc gh 23 ab bc gh ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? COUNT All of these SUM MAX COUNT All of these SUM MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a programming language. a DBMS. a data sublanguage. an operating system. a programming language. a DBMS. a data sublanguage. an operating system. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. NATURAL JOIN NON-EQUIJOIN EQUIJOIN OUTER JOIN NATURAL JOIN NON-EQUIJOIN EQUIJOIN OUTER JOIN ANSWER DOWNLOAD EXAMIANS APP