Table: table_name Insertion of records: Now I want to update set_name for some dates. For example: I want to update table like this: Note: The given_dates and set_name are pass a parameter because of they are dynamic. I may pass 2 sets as shown above s1,s2 or may pass 4 sets according to the requirement. So I…
Why does orderBy in F# not result in an ORDER BY in SQL?
I’m currently working on a small project that uses USA county data. I have no problems ordering the data in a Seq.orderBy, but as there is a sortBy in the query expression I would expect the results to be sorted. This is not the case. Now, the above is what I’m executing, but my results end up loo…
Using MAX within INNER JOIN – SQL
I have two tables, one called facebook_posts and the other called facebook_post_metrics. facebook_posts looks like facebook_post_metrics looks like So the common column that would be used for the inner join is id from the facebook_posts table and FBID from the facebook_post_metrics. So after the inner Join, t…
Return rows with more than one comma separated value in a string
I have a table called contacts and in that table there is a field called contact_type. contact_type is varchar and stores comma separated values in a sting like this: ^Media^,^Historical^ However …
Returning the row with the most recent timestamp from each group
I have a table (Postgres 9.3) defined as follows: The pertinent details here are the customer_id, the timestamp, and the licensekeys_checksum. There can be multiple entries with the same customer_id, some of those may have matching licensekey_checksum entries, and some may be different. There will never be ro…
Sql Server select datetime without seconds
I have datetime column value below I tried below and These are did not work for me How can i get above datetime as 01-04.2015 20:37 ? Answer In SQL Server this will work:
MySQL – Find the largest time difference between consecutive datetimes
I have a table that contains a list of datetimes. I’d like to find the longest amount of time between consecutive datetimes ie., find the largest distance between any two datetime entries that fall …
ORA-00932: inconsistent datatypes: expected CHAR got NUMBER
Logic The logic is if an order is cancelled then return 0 otherwise return the owed value – the paid value Small query CASE WHEN d.cancelled = ‘TRUE’ THEN ‘0’ ELSE (to_char(b.owed)) – (…
Is there any function in C# like isnull in SQL?
In SQL server we can use “isnull” function for example if Table1 Contains Field1 and only one record which Field1 is null we can write this Query: which returns “0”. can we use any function like this in C#? for Example Consider textBox1 is Empty. and I want to Show “0”. Ans…
SQL – Get result of current year only
How can I get the result of the current year using SQL? I have a table that has a column date with the format yyyy-mm-dd. Now, I want to do select query that only returns the current year result. The pseudo code should be like: The result should be as following: How can I do this? Answer Use YEAR() to