Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints 23 bc ab gh 23 bc ab gh ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? All of these To define the data structures To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language All of these To define the data structures To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause does which of the following? Acts like a WHERE clause but is used for groups rather than rows. Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for columns rather than groups. Acts like a WHERE clause but is used for groups rather than rows. Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for columns rather than groups. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): IN only. Both IN and NOT IN. NOT IN only. LIKE only. IN only. Both IN and NOT IN. NOT IN only. LIKE only. ANSWER DOWNLOAD EXAMIANS APP
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