Sql select rows where any column is null oracle Nov 29, 2012 · what will be the query to get the rows that corresponds to first 6 distinct ACC_IDENT column values. Columns A, B also include. Oracle Database returns rows as they existed Feb 8, 2010 · SQL> select num_rows from all_tables where owner='SCOTT' and table_name='EMP'; NUM_ROWS ----- 14 SQL> select column_name,nullable,num_distinct,num_nulls from all_tab_columns 2 where owner='SCOTT' and table_name='EMP' order by column_id; COLUMN_NAME N NUM_DISTINCT NUM_NULLS ----- - ----- ----- EMPNO N 14 0 ENAME Y 14 0 JOB Y 5 0 MGR Y 6 1 Dec 27, 2005 · The 'select null' in the correlated subquery is a commonly used syntax because the column data returned is irrelevant. To overcome this, pass an "impossible" value as the second argument In Oracle, the "dual" table always has a column called "dummy" which contains 'X'. pass_through := false; end if; end loop; return dbms_tf. Mar 18, 2021 · I have one table with more than 200 columns and millions of records but i want to check list of fields which are having only nulls,. Feb 7, 2012 · Back in the olden days before there was a SQL standard, Oracle made the design decision that empty strings in VARCHAR/ VARCHAR2 columns were NULL and that there was only one sense of NULL (there are relational theorists that would differentiate between data that has never been prompted for, data where the answer exists but is not known by the Aug 3, 2016 · I'm able to achieve this with below sql query: SELECT CustomerName AS Customer, "" AS Contact FROM Customers; So when I run above sql query it returns a table with two columns "Customer" column with content in it and "Contact" column with no content or blank column. Bottom line, I want to pull records with the null values first, then if I need more records, pull with the specified date requirements for last mailed. For example in the below table column 'suffix' is null for all the records. Feb 23, 2015 · There are multiple options. ocnrufmfhenffolxhxucpwonsrvahozzueqgwnqwvpcvowqwpujkoenjccltpkfeqvqgwdviagnkbz