I have 15 tables which are normalized to contain records and many user may be inserting/updating data in these tables( No two user can update the same record(s) simultaneously, this is restricted by client implementation). these 15 tables are updated 1 by 1 in a stored procedure. WITH(NOLOCK) is used where se…
Average value for Money Datatype
The following is the “pc” table which contains details about pc. user=> SELECT * FROM pc; code | model | speed | ram | hd | cd | price ——+———-+——-+——+——+—–+—–…
Need to combine two columns in a table [closed]
I need to combine two column in a table using alias name select firstname as fn, lastname as ln, userid, fn + ” + ln as fullname from users Error is Invalid column name …
EF6 Stored Procedure does not accept parameters
I am using EF6 and I need to execute stored procedure. It takes two parameters: mIIN varchar(12), which is input string mXMLOutput varchar(max), which is the result of execution It works fine when I call it from Management Studio. However, when I use the following code: which results in the error Procedure or…
SQL create table column AS SELECT FROM OTHER TABLE
My problem is I cannot create proper DDL statement ‘create table’ with column based on 2 columns from other table. The final table should looks like after: CREATE TABLE PRACOWNICY_ZESPOLY AS …
SQL select where column begins with Letters
I have a table tbl1 with row of data: I want to query the the Legal_Doc_No of each ID. The value of each ID is either the TIN or the SSS column. How can I query the TIN and SSS column starting with letters (none) so that only values starting with numbers will be assigned to Legal_Doc_No Answer Most databases
How to do a where exists in nested query with SQLAlchemy?
I’m trying to do a WHERE EXISTS clause in SQLAlchemy. The SQL looks like this: Is it possible to do this in SQLAlchemy without using raw SQL? I’ve tried this but it doesn’t seem to be returning the correct results: Answer Use sqlalchemy.orm.aliased() and exists():
Cannot catch SQL Server alter table error
It is a really simple code, but it cannot catch the error. Or how to catch the error? Thanks. Answer Errors that occur as a result of batch recompilation after deferred name resolution cannot be caught at the same level the error occurs. One work-around is to wrap the DDL in dynamic SQL:
SQL N items per Group in SQL || SQL Sub Query Limit
I want to Select join with cats table with data. Join with cats.id = data.cat_id. with limit 3 data table row for each unique category id cat.id Table: cats id | parent_id | name —+———–+——…
Summing edges properties for order by in select statement
I’m trying to do a select statement to order the result set by force of connections between them. ‘isConnectedTo’ edges relate Entities to another Entities The tricky part is I have double connections between the same entities as so: So Mike is connected to John which is connected to him too…