I have a table A with column data: I want to get a count of the invalid and blank(—). I tried : but it doesn’t work. Can someone please help me figure out what I am doing wrong here? Answer This should work as well.
Tag: sql
SQLQuery.list() returns the same entries
In my java code I have written like this. This query returning same records again and again. But in database I have only single record. String queryString = “select e.business_event_id, e.event_name …
DB2 add auto increment column to an existing table
I have a table with following schema in my DB2 database. CREATE TABLE IDN_OAUTH_CONSUMER_APPS ( CONSUMER_KEY VARCHAR (255) NOT NULL, CONSUMER_SECRET VARCHAR (512), USERNAME …
SELECT hex(name || age) AS X FROM Ages ORDER BY X
I am taking a Cousera course talking about SQL and there is one line of code I cannot understand. What does it mean by ‘hex(name || age)’? I know it turns the string into hexadecimal format using the …
Convert positive data into negetive data (entire column) in Postgres Server
The current data in my table is: a b ——— -1 5 -11 2 -5 32 My request is to convert every data of column a into negative value. But how to update the positive values into the …
The specified schema name either does not exist or you do not have permission to use it
I am trying to create replica of my database from SQL server to another. For that I am generating script from original server and trying to run in another server. I’ve created database manually with …
How to select rows with uniq value of column and to calculate count?
I have table like this for example: I need to select each uniq column by ver and to calculate how much is total of rows by each uniq ver column I think each total to add into the new column …
Using EXCEPT clause in PostgreSQL
I am trying to use the EXCEPT clause to retrieve data from table. I want to get all the rows from table1 except the one’s that exist in table2. As far I understand, the following would not work: The only way I can use EXCEPT seems to be to select from the same tables or select columns that have the
Pivot Queries – trouble with SUM()
I have the following query: select extract(year from p.when_paid) yyyy, MONTHNAME(STR_TO_DATE(extract(month from p.when_paid), ‘%m’)) mm, f.name, IF(p.payment_type_id = 1,SUM(p.amount),null) MedPay, …
Convert Hibernate @Formula (case ) to JOOQ field
I am rewriting entire DB access layer from Hibernate to JOOQ and I face following issue. One of JPA models is annotated with @Formula annotation as follows: I saw the following question : Convert Hibernate @Formula to JOOQ field but it did not really help How can above query be translated to JOOQ DSL? Answer …