How do I resolve ORA 00913 too many values?
Action: Check the number of items in each set and change the SQL statement to make them equal. ORA-00913 error is related with the SQL statement that required two sets of equal values, you should enter more items in the second set than first set as follows.
How do you drop a column from a table in Oracle?
To physically drop a column you can use one of the following syntaxes, depending on whether you wish to drop a single or multiple columns. alter table table_name drop column column_name; alter table table_name drop (column_name1, column_name2);
What is the error ORA 00913?
Cause: The SQL statement requires two sets of values equal in number. This error occurs when the second set contains more items than the first set.
How do I delete a specific value in a column in Oracle?
- UPDATE table SET your_column_name = NULL DELETE removes rows, alternatively you can get rid of column using ALTER table DROP COLUMN name (not recommended) – Lukasz Szozda. Sep 26, 2015 at 13:43.
- @lad2025 Thank you. Now I clearly understood that DELETE removes only rows but not entire data from a particular column.
What is too many values error in Oracle?
This error occurs when the second set contains more items than the first set. For example, the subquery in a WHERE or HAVING clause may return too many columns, or a VALUES or SELECT clause may return more columns than are listed in the INSERT.
How do you resolve ORA-01427 single row subquery returns more than one row?
Dmytro offered this advice to resolve ORA-01427: Try to add and rownum=1 to your subquery conditions if you DO NOT care about the value from the list or DO sure that they are the same. A single row subquery returns only one row. It can be used with the equal comparison operators (=,<,>,<>, etc).
What is Ora-01427 single row subquery returns multiple rows?
The ORA-01427 is a straightforward query error in Oracle. The cause of the error is a subquery returning more than one row of information. This error in multi-row returns on the subquery originates from an outer query failing to use appropriate, designated keywords to specify values for comparison in the subquery.