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Convert the following Oracle query to a PostgreSQL query: CREATE FUNCTION [dbo].[ufnGetAccountingEndDate]() RETURNS [datetime] AS BEGIN RETURN DATEADD(millisecond, -2, CONVERT(datetime, '20040701', 112)); END; GO

CREATE FUNCTION [dbo].[ufnGetAccountingEndDate]() RETURNS [datetime] AS BEGIN RETURN DATEADD(millisecond, -2, CONVERT(datetime, '20040701', 112)); END; GO

CREATE OR REPLACE FUNCTION ufnGetAccountingEndDate() RETURNS timestamp AS $$ BEGIN RETURN '2004-07-01'::timestamp - INTERVAL '2 milliseconds'; END; $$ LANGUAGE plpgsql;

Convert the following Oracle query to a PostgreSQL query: SELECT SYSDATE FROM dual

SELECT SYSDATE FROM dual

SELECT CURRENT_DATE

Convert this Oracle function to PostgreSQL: TO_CHAR(SYSDATE, 'YYYY-MM-DD')

TO_CHAR(SYSDATE, 'YYYY-MM-DD')

SELECT TO_CHAR(CURRENT_TIMESTAMP, 'YYYY-MM-DD')

Translate the following from Oracle to PostgreSQL: SELECT user FROM dual

SELECT user FROM dual

SELECT current_user

How to write this Oracle query in PostgreSQL: SELECT TO_NUMBER('500', '999') FROM dual

SELECT TO_NUMBER('500', '999') FROM dual

SELECT '500'::integer

Oracle to PostgreSQL conversion: SELECT LENGTH('Hello World') FROM dual

SELECT LENGTH('Hello World') FROM dual

SELECT LENGTH('Hello World')

Change this Oracle SQL to PostgreSQL: SELECT SUBSTR('Hello World', 1, 5) FROM dual

SELECT SUBSTR('Hello World', 1, 5) FROM dual

SELECT SUBSTRING('Hello World' FROM 1 FOR 5)

Convert Oracle to PostgreSQL: SELECT INSTR('Hello World', 'World') FROM dual

SELECT INSTR('Hello World', 'World') FROM dual

SELECT POSITION('World' IN 'Hello World')

Translate Oracle to PostgreSQL: SELECT MOD(11, 4) FROM dual

SELECT MOD(11, 4) FROM dual

SELECT 11 % 4

Oracle to PostgreSQL: SELECT NEXTVAL('my_seq') FROM dual

SELECT NEXTVAL('my_seq') FROM dual

SELECT nextval('my_seq')

Convert this Oracle SQL to PostgreSQL: SELECT CURRENT_TIMESTAMP FROM dual

SELECT CURRENT_TIMESTAMP FROM dual

SELECT CURRENT_TIMESTAMP

How to rewrite this Oracle query in PostgreSQL: SELECT ADD_MONTHS(SYSDATE, 12) FROM dual

SELECT ADD_MONTHS(SYSDATE, 12) FROM dual

SELECT CURRENT_DATE + INTERVAL '12 months'

Convert Oracle PL/SQL to PostgreSQL: CREATE OR REPLACE TRIGGER test_trigger BEFORE INSERT ON test_table FOR EACH ROW BEGIN SELECT test_seq.NEXTVAL INTO :new.id FROM dual; END;

CREATE OR REPLACE TRIGGER test_trigger BEFORE INSERT ON test_table FOR EACH ROW BEGIN SELECT test_seq.NEXTVAL INTO :new.id FROM dual; END;

CREATE OR REPLACE FUNCTION test_trigger() RETURNS trigger AS $$ BEGIN NEW.id := nextval('test_seq'); RETURN NEW; END; $$ LANGUAGE plpgsql;

Oracle to PostgreSQL conversion needed: SELECT EXTRACT(YEAR FROM SYSDATE) FROM dual

SELECT EXTRACT(YEAR FROM SYSDATE) FROM dual

SELECT EXTRACT(YEAR FROM CURRENT_DATE)

Translate this Oracle statement to PostgreSQL: SELECT NLS_UPPER('hello') FROM dual

SELECT NLS_UPPER('hello') FROM dual

SELECT UPPER('hello')

Change Oracle to PostgreSQL: SELECT DECODE(status, 'Open', 'O', 'Closed', 'C', 'Unknown') FROM orders

SELECT DECODE(status, 'Open', 'O', 'Closed', 'C', 'Unknown') FROM orders

CASE WHEN status = 'Open' THEN 'O' WHEN status = 'Closed' THEN 'C' ELSE 'Unknown' END FROM orders