Search results
8 mar 2021 · select jobs, nvl(salary, 0) as salary from your_table Or COALESCE. select jobs, coalesce(salary, 0) as salary from your_table Or DECODE. select jobs, decode(salary, null, 0, salary) as salary from your_table Or CASE. select jobs, case when salary is null then 0 else salary end as salary from your_table
26 lut 2015 · You could use NVL to replace the NULL value with required number of spaces to retain the format. For example, SQL> SELECT 'Karl' NAME, 2 NVL('Blue', ' ') color, 3 NVL('$150.00',' ') balance, 4 40884 zip_code 5 FROM dual 6 UNION ALL 7 SELECT 'Jenny' name, 8 NVL(NULL, ' ') color, 9 NVL(NULL,' ') balance, 10 45667 zip_code 11 FROM dual 12 / NAME ...
The Oracle NVL() function allows you to replace null with a more meaningful alternative in the results of a query. The following shows the syntax of the NVL() function: NVL(e1, e2) Code language: SQL (Structured Query Language) ( sql )
DROP TABLE null_test_tab; CREATE TABLE null_test_tab ( id NUMBER, col1 VARCHAR2(10), col2 VARCHAR2(10), col3 VARCHAR2(10), col4 VARCHAR2(10) ); INSERT INTO null_test_tab values (1, 'ONE', 'TWO', 'THREE', 'FOUR'); INSERT INTO null_test_tab values (2, NULL, 'TWO', 'THREE', 'FOUR'); INSERT INTO null_test_tab values (3, NULL, NULL, 'THREE', 'FOUR ...
Nulls can appear in columns of any data type that are not restricted by NOT NULL or PRIMARY KEY integrity constraints. Use a null when the actual value is not known or when a value would not be meaningful. Oracle Database treats a character value with a length of zero as null.
9 kwi 2020 · So the rule is replace the word TEST with null but if the word TEST is towards the end of the string along with a hyphen - then even replace the - with null and also REMOVE any trailing space at the end.
15 mar 2006 · CREATE TABLE BARMERESULT ( ID NUMBER(10, 0) NOT NULL ENABLE, SEQUENCES NUMBER(10, 0), VALIDFLAG NUMBER(1, 0), MEWEIGHT FLOAT(126), WEIGHTDATE DATE, HISTORY VARCHAR2(10), STORAGEFLAG NUMBER(1, 0), SUBMITSIGN NUMBER(1, 0), SUBMITDATE DATE, BRANCHCOUNT NUMBER(5, 0), PIECECOUNT NUMBER(5, 0), ACADEMICWEIGHT FLOAT(126), BARMEREQUEST_ID NUMBER(10, 0 ...
