Introduction to SQL 'AS' clause is used in SQL for Projection operation. Selection operation. Rename operation. Join operation. Projection operation. Selection operation. Rename operation. Join operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return exactly 10 rows less than 10 rows more than 10 rows None of these exactly 10 rows less than 10 rows more than 10 rows None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? Both of above None Data Manipulation Language(DML) Data Definition Language(DDL) Both of above None Data Manipulation Language(DML) Data Definition Language(DDL) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints gh bc 23 ab gh bc 23 ab ANSWER DOWNLOAD EXAMIANS APP
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