Introduction to SQL Indexes may be created or dropped at any time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username, Password FROM Users SELECT Username AND Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users SELECT Username AND Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Selection operation. Join operation. Projection operation. Rename operation. Selection operation. Join operation. Projection operation. Rename operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. True False True False ANSWER DOWNLOAD EXAMIANS APP
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