Mastering Subqueries in MySQL
Subquery in WHERESELECT name FROM employees WHERE salary > (SELECT AVG(salary) FROM employees);Subquery in FROMSELECT de...
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API to Update FND_LOOKUP DECLARE l_lookup_type VARCHAR2 (250); l_lookup_code VARCHAR2 (250);...
Oracle SQL Performance & TuningOracle provides features and tools to analyze and tune query performance.Execution PlansI...
Basic SELECTSELECT name, salary FROM employees;All ColumnsSELECT * FROM employees;
SELECT DISTINCT A.APPLICATION_ID , A.application_short_name , b.application_name , c.RESPO...
DECLARE l_responsibility_id NUMBER; l_application_id NUMBER; l_user_id NUMBER; l_request_id...
Lists the Data Access Sets (GL access sets) the current user has access to — used as the LOV source for a "Data Ac...
Updated Aug 22, 2026
security-parametersLists the Business Units the current BI Publisher user has data access to, based on their user role data assignments &md...
Updated Aug 18, 2026
security-parametersLists the Business Units the current user has procurement agent access to, via their PO agent assignment — used as...
Updated Aug 22, 2026
security-parametersLists the Ledgers the current user has direct data access to — used as the LOV source for a "Ledger" report parame...
Updated Aug 22, 2026
security-parametersLists the Fixed Asset Books the current user has data access to — used as the LOV source for a Fixed Assets report...
Updated Aug 22, 2026
security-parametersLists the Intercompany Organizations the current user has data access to — used as the LOV source for an intercomp...
Updated Aug 22, 2026
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Subquery in WHERESELECT name FROM employees WHERE salary > (SELECT AVG(salary) FROM employees);Subquery in FROMSELECT de...
What is a Subquery?A subquery is a query nested inside another SQL statement. It can be used in SELECT, FROM, or WHERE c...
Scalar and Row SubqueriesScalar SubqueryReturns a single value (one row, one column).SELECT first_name, salary FROM empl...
Correlated SubqueriesThese subqueries reference columns from the outer query and are evaluated once per row.SELECT e1.fi...
Subquery Comparison OperatorsINChecks if a value exists in the subquery result set.SELECT * FROM employees WHERE departm...