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Tag: oracle11g

ORA-00937: not a single-group group function Workaround

This is my query which produces this error: ORA-00937: not a single-group group function Expected result for the last column – first order of every customer: I know that I have to use GROUP BY clause to handle this error, but it seems rather inappropriate to group by all the other columns.. I know that this is a limitation in

Not able to create a matrix in PL/SQL using nested tables

I was trying to create a matrix in PL/SQL using nested tables as such: firstly, I create a table type that is able to store varchars (that in my case is name lista_principala) secondly, using the previously declare table type lista_principala I try to create a table type that contains items of type lista_principala. I don’t think that I’m wrong

Partial Group Filter

Oracle 11g How can I get ALL pet_owners of FURRRY and SCALY and only earthworms and slugs ? Answer You want either of the two conditions to be met, so you need OR:

Oracle Hierarchical Query at depth level

I have a requirement to build a table from a hierarchical table. Table structure as below: emp_hier table: emp_id supervisorId 100 null 1 100 2 1 3 2 New table: I have to write a select query on the emp_heir table and the selected data should look like this: sel_emp_id rel_emp_id relation depth_lvl 100 100 self 0 100 1 My

Transpose rows to columns using multiple pivots

I am trying to transpose rows to columns without any luck . What I have now WEEK_NUMBER VAL9 VAL4 VAL5 VAL7 45 63.27% 28.58% 7.92% 0.23% 52 65.66% 26.16% 7.80% 0.38% 50 90.97% 8.45% 0.29% 0.29% 46 82.49% 12.43% 3.01% 2.06% 47 66.33% 29.53% 3.77% 0.36% 51 65.36% 31.83% 2.69% 0.11% 49 61.88% 28.29% 9.46% 0.37% 44 45.34% 45.55% 8.45%

Change + ordered to + leading

I’m trying try to find the most selective criteria to start joining in SQL. I tried this: But this + ordered is deprecated. How I can implement this query using + leading? Answer Use the leading hint and put the table aliases between parentheses in the order you want the database to join them, for example: This would tell the