I am trying to “Order by” my table by Id in Dynamic SQL, though it works with Name and Description (Both Type Nvarchar) as shown but not Working with Id (type INT), Here is my Dynamic SQL Query The Line Gives Following Error Conversion failed when converting the nvarchar value ‘cereals’…
Tag: dynamic-sql
Chances of SQL injection in dynamically constructed SQL
I have a query like this in MySQL val selectQ = “SELECT NAME FROM EMPLOYEE” val date = “2010-10-10” val age = 10 Now I have some dynamic AND clauses, like val whereNameFilter = “WHERE date = $…
Any way to get a more meaningful error message in postgres?
Let’s have some tea … CREATE OR REPLACE FUNCTION allRelevantTeas() RETURNS TABLE(tea_id INTEGER) AS $function$ DECLARE result REFCURSOR; stmt TEXT; countries_with_tea TEXT[] := array[‘…
Using replace() inside a loop
I am trying to copy indexes from materialized views onto tables. This is the script I am trying to use: DO $$ declare indexdefname record; a text; b text; c text; begin for indexdefname in …
Eror While Executing a dynamic queries in a variable
I’m executing a dynamic query from a variable but it always says: Could not find stored procedure I have tried to use simpler queries like set @query = ‘select * from [table_name]’ but it gives the same error. In my temporary table is the list of all my trigger name so the expected output I …
Passing a column name as parameter to a stored procedure in mySQL
I’m creating some stored procedures to manage my DB. In particular, i want to create a stored procedore to edit a column, of a specific row, but i want to do it dinamically, passing the column name as an argument. That’s what i want to do Using the parameter keyi find the specific row in myTableth…
Dynamically selection of Column Name
I want to select Column Name which has non null and non zero value. So any column name which has 0 or NULL should not be displayed in the output grid I have the Source table as below I want to group by Col1 and Display Col1, MIN(Col2), MIN(Col3), MIN(Col4) and ColRes as (Name of the column with value more
Set empty strings (”) to NULL in the whole database
In my database are many text columns where values are empty strings (”). The empty strings need to be set to NULL. I do not know the exact schemas, tables and columns in this database or rather I want to write a general solution which can be reused. How would I write a query / function to find all text
How to use variables in “EXECUTE format()” in plpgsql
I want to update a column in table stats with the specific column being a parameter, then return the updated value of that column [only has 1 row]: CREATE FUNCTION grow(col varchar) RETURNS integer …
Oracle: DBMS_UTILITY.EXEC_DDL_STATEMENT vs EXECUTE IMMEDIATE
Which are the differences between DBMS_UTILITY.EXEC_DDL_STATEMENT and EXECUTE IMMEDIATE? Answer Fundamentally they do the same thing, which is to provide a mechanism to execute DDL statements in PL/SQL, which isn’t supported natively. If memory serves me well, the EXEC_DDL_STATEMENT was available in the…