Introduction to SQL The Microsoft Access wildcards are ____ and ____ . question mark (?); asterisk (*) percent sign (%); underscore (_) underscore(_); question mark (?) asterisk (*); percent sign (%) question mark (?); asterisk (*) percent sign (%); underscore (_) underscore(_); question mark (?) asterisk (*); percent sign (%) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement that queries or reads data from a table is ________ . None of these READ SELECT QUERY None of these READ SELECT QUERY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 is illegal prints garbage prints 045.926 prints 50 is illegal prints garbage prints 045.926 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username AND Password FROM Users SELECT Username, Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? Data Definition Language(DDL) Data Manipulation Language(DML) None Both of above Data Definition Language(DDL) Data Manipulation Language(DML) None Both of above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS