Top Sql Aptitude Questions for Aptitude Some SQL Aptitude questions for Aptitude Preparations Q Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? Data Definition Language (DDL) Q What operator performs pattern matching? LIKE operator Q What operator tests column for the absence of data? IS NULL operator Q Which command executes the contents of a specified file? START <filename> or @<filename> Q What is the parameter substitution symbol used with INSERT INTO command? & Q Which command displays the SQL command in the SQL buffer, and then executes it?. RUN Q. What are the wildcards used for pattern matching? _ for single character substitution and % for multi-character substitution Q State true or false. EXISTS, SOME, ANY are operators in SQL. ...
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