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Parameter and Keyword Description:
SQL:
This SQL is the name of the implicit SQL cursor.
%FOUND:
This attribute results TRUE if an INSERT, DELETE, or UPDATE statement affected one or more rows or a SELECT INTO statement returned one or more rows. Or else, it results FALSE.
%ISOPEN:
This attribute always results FALSE as the Oracle closes the SQL cursor automatically after executing its related SQL statement.
%NOTFOUND:
This attribute is the logical reverse of the %FOUND. It results TRUE if an INSERT, DELETE, or UPDATE statement affect no rows, or the SELECT INTO statement returned no rows. Or else, it results FALSE.
%ROWCOUNT:
This attribute results the number of rows affected by an INSERT, DELETE, or UPDATE statement, or returned by the SELECT INTO statement.
Dynamic Ranges The PL/SQL lets you determine the loop range dynamically at run time, as the example below shows: SELECT COUNT(empno) INTO emp_count FROM emp; FOR i IN 1..emp_cou
Pl/sql Conditional Control: IF statements Frequently, it is necessary to take the alternative actions depending on the circumstances. The IF statement execute a series of statem
Relational Algebra - SQL It describes some operators, that together constitute an algebra that is not only relationally complete but also irreducibly so (very nearly- apart f
THEORY OF SPONTANEOUS GENERATION - ABIOGENESIS OR AUTOGENESIS - According to this theory, the existing living communities have originated from non-living organic matter with
Committing and Rolling Back The COMMIT and ROLLBACK end the active autonomous transaction but do not exit the autonomous routine. As the figure shows, if one transaction ends,
Project Description: I am looking to change FullCalendar to add/delete sql server data when events are removed or dropped from Calendar. Events should only be included by dra
Redeclaring Predefined Exceptions Keep in mind that, the PL/SQL declares predefined exceptions globally in the package STANDARD; Therefore you need not declare them yourself.
Example of Foreign Key Constraint Example: Alternative formulation for 6.3 as a foreign key constraint ALTER TABLE EXAM_MARK ADD CONSTRAINT Must_be_enrolled_to_take_exam
Row Counterparts of Table Operators SQL does not have counterparts tuple rename, tuple projection, tuple extension, tuple join and tuple compose. To obtain the same effects as
Parameter Default Values As the illustration below shows, you can initialize the IN parameters to the default values. In that way, you can pass various numbers of actual par
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