I am trying to write a query which will return only the rows, which time has the greatest value for each id Result should look like: I tried grouping by id but I don’t know how to sort after that and pick only the top result. Answer You can use window functions: An alternative method is a correlated sub…
Tag: oracle
How to convert date : Sep 26 00:15:00 2020 in YYYY/MM/DD HH24:MI:SS’ format in oracle sql
Error while converting Looking for solutions Answer With TO_DATE(), you want to convert a string – ‘Sep 26 00:15:00’ to an Oracle DATE type – that is a type that counts, internally, the number of seconds since an epoch date. In Unix, that would be ‘1970-01-01 00:00:00’, in …
How can i write hired the same month employees and order?
Sql, which gives the number of employees hired in the same month (or year) grouped and sequentially on date basis. I tried to write this code, but i didn’t find same hired and order. Answer This is how I understood the question. Sample data: Employed in the same month: Hired in the same year:
Can I combine parts of multiple columns in Oracle SQL
I’m a student in college and I’m working on a project with Oracle DB. I was wondering if it was possible to make a column value appear as concatenated parts of other columns when I Insert a line and use that column as PK ? So on a table like this : So when I insert a line I’d like
ORA-00932: inconsistent datatypes: expected – got CLOB – while using clob in regexp_substr function
I am trying to use CLOB variable in regexp_substr function as below clob_variable is of type CLOB and contains ~ separated ids. While executing the update statement I am getting below error: ORA-00932: inconsistent datatypes: expected – got CLOB Can we use CLOB with RegExp? If not, is there any way to c…
Oracle combines two records in one record despite of Union
I have created two simple queries to combine the records using UNION However, I faced a problem in one case, the data in the 1st table is exactly like the 2nd one Then the result appears in one record,…
Query with join from MSSQL to Oracle
I have this query which runs on MsSQL: How do I convert it to work with Oracle data base type? Answer The only change is to drop the as: Oracle doesn’t support as for table aliases.
Oracle SQL Query for Distributing Quantity
I have one table called INVENTORY which has data: ITEM_NUM SUB_INV LOT_NUM QUANTITY LOT_EXPIRY_DATE 101 22 A1 10 9/29/2019 101 22 A2 14 9/28/2019 Let’s say,…
Limit date for each day to 2:30 PM
SQL Oracle Query: I have datetime values in 30 minute intervals. I want to stop each day at 2:30 PM. I am limiting my hours with this: TO_CHAR(ALL_DATES.DATEDATE,’HH24′) NOT IN (01,02,03,04,05,06,07,…
Add value of type B to type A of same org_id
I have a table like this Now I want to select values from this table for each org_id, type but for type A i want to add value of type B of same org_id to type A. My query should return this In this case, when ORG_ID is 1 and TYPE is ‘A’, I have to add that organization’s type