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Status: published
Programming, Software and application
2020-12-07 03:13:23
Oracle Minus
1809
Introduction to Oracle Database Oracle Tables and Data definition Modifying data Oracle Query and Filter Oracle data types Joining tables Oracle Operators Grouping data Constraints
এই কোর্সে যা থাকছে
৩টি বিষয়
৮০টি লাইভ ক্লাস
In Oracle, MINUS operator is used to return all rows in the first SELECT statement that are not returned by the second SELECT statement.
Each SELECT statement has a dataset and the MINUS operator returns all documents from the first dataset and then removes all documents from the second dataset.Syntax
SELECT expression1, expression2, ... expression_n FROM table1 WHERE conditions MINUS SELECT expression1, expression2, ... expression_n FROM table2 WHERE conditions;
Parameters
1) expression1, expression2, ... expression_n: It specifies the columns that you want to retrieve.
2) table1, table2: it specifies the tables that you want to retrieve records from.
3) conditions: it specifies the conditions that must be fulfilled for the records to be selected.
Note:
The expressions must be same in number for both the SELECT statement and have similar datatype.