Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE DELETE 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 with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. None of these all columns of the table are to be returned. all records with even partial criteria met are to be returned. all records meeting the full criteria are to be returned. None of these all columns of the table are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT VALUES INTO student ( INSERT VALUES ( INSERT student VALUES ( INSERT INTO student VALUES ( INSERT VALUES INTO student ( INSERT VALUES ( INSERT student VALUES ( INSERT INTO student VALUES ( ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the full form of SQL? None of these Simple Query Language Structured Query Language Structured Query List None of these Simple Query Language Structured Query Language Structured Query List ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: 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. can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. ANSWER DOWNLOAD EXAMIANS APP