Introduction to SQL 'AS' clause is used in SQL for Selection operation. Rename operation. Join operation. Projection operation. Selection operation. Rename operation. Join operation. Projection operation. 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 In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is: a data sublanguage. an operating system. a DBMS. a programming language. a data sublanguage. an operating system. a DBMS. a programming language. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To define the data structures To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language All of these To define the data structures To specify the syntax and semantics of SQL manipulation language To specify the syntax and semantics of SQL data definition language All of these ANSWER DOWNLOAD EXAMIANS APP