Introduction to SQL Indexes may be created or dropped at any time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? 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 To define the data structures To specify the syntax and semantics of SQL manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs TRUE Hi FLASE Nothing TRUE Hi FLASE Nothing ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? ALTER TABLE MODIFY TABLE None of these CHANGE TABLE ALTER TABLE MODIFY TABLE None of these CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL data definition commands make up a(n) ________ . DDL DML XML HTML DDL DML XML HTML ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of distinct values. columns. groups. values. distinct values. columns. groups. values. ANSWER DOWNLOAD EXAMIANS APP
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