Questions tagged [dynamic-sql]
Constructing a query at runtime with string concatenation operations and executing the query from that string.
336
questions
4
votes
1answer
50 views
sp_executesql: what can be parameterized
Is there a definitive list published showing what can and cannot be parameterized in a call to sp_executesql.
For example, predicates can, table names cannot. Number of rows in TOP can:
exec ...
-3
votes
2answers
65 views
Why does IO Statistics show a lot of LOB Logical Reads on the Worktable when none of the tables in my query use any LOB datatype fields?
I have a procedure that runs a query dynamically across a few hundred databases that all have the same exact schema and aggregates the results to a temp table.
The query only involves 3 tables (each ...
0
votes
1answer
26 views
Generate GRANT for all tables reference by a procedure
I have a couple of stored procedures in my DB in which each one select from a couple of tables. I need to construct a statement where I can give it a stored procedure and get the grant select ...
0
votes
1answer
30 views
Change database and execute update query (T- Transact)
Could anyone face with issue like me?
I need to update some rows in table, but I don't know exact name of database. I am able to figure out name with:
Select name
from sys.databases
where name ...
0
votes
1answer
21 views
Get availability group and listener of the current DB (dynamic SQL)
I have hundreds of DB on an instance and I want to remove the DB from their AG (each DB is in a separate AG), remove the listener and then delete that AG. I have written the script below to automate ...
0
votes
0answers
24 views
Pass scale value for NUMERIC datatype dynamically
I want to pass scale value for NUMERIC datatype dynamically:
DO
$$
DECLARE
v_roundfact INTEGER;
BEGIN
v_roundfact := 3;
CREATE TEMP TABLE TempTable ON COMMIT DROP AS
...
-3
votes
1answer
76 views
Dynamic table names [closed]
I am trying to create dynamic table names for each month.
This is how I tried it:
declare @query varchar(max)
declare @i date
declare @tableid int
declare @tblname varchar(20)
...
1
vote
0answers
19 views
MySQL 5.7 - Calling procedure with dynamic name
I'm trying to write a MySQL (5.7) procedure that dynamically calls another procedure based on the one of its inputs.
The code I came up with so far is this (procedure_exists works for checking ...
-1
votes
1answer
149 views
Stored procedure in SQL Server that returns total count of columns in table and distinct count of values in each column [closed]
I need a stored procedure that takes any table name as a parameter and returns total count of rows and distinct count of values in each column of that particular table when executed.
Let's take the ...
0
votes
1answer
33 views
How to insert into temp table on Server A results from dynamic SQL open query stored proc call to remote server B via Remote Query showplan operator?
I have to call a stored procedure on server B from server A using open query via dynamic SQL, and insert the results into a temp table created on server A. I noticed in the execution plan, it's using ...
1
vote
0answers
16 views
Source Control Dynamics
What ways are there to do version control of an MS Dynamics database? I've found mentions of DACBAC, and obviously SSIS packages could just be dumped in a git repo.
I'm particularly keen on learning ...
0
votes
1answer
65 views
Is each query batch in a dynamic SQL statement executed sequentially or can it be parallelized, when using sp_ExecuteSql?
I have about 500 databases that are all structured the same but the data is unique in each database. Sometimes I write dynamic SQL statements to hit all (or a subset) of those databases and will ...
0
votes
1answer
26 views
SQL stored procedure to produce custom XML text
I have around 30 tables from which I need to generate a specific XML format, which is consistent through the tables.
With my current solution I have a stored procedure for each 30 tables where I do: ...
1
vote
1answer
36 views
Stored procedure to set value to a column must accept returned values from functions
I created a very simple table in Data Mart to store ETL diagnostic information:
CREATE TABLE [internal].[etl_status]
(
[property_name] VARCHAR(100) NOT NULL PRIMARY KEY,
[property_value] ...
0
votes
2answers
56 views
Join to tables dynamically depending on data
have a logging table that contains references to other objects in other tables. I want to create a view to add some additional data to the logging table by looking back at the other objects.
For ...
0
votes
0answers
14 views
postgres 9.6 - use data from xml to call procedure
I work with a system based on Postgres 9.6 (updated from 9.1 or something similar). One of latest changes requires an ability to remotely call procedure on database with some arguments. Due to various ...
0
votes
1answer
63 views
INSERT INTO… SELECT over a LinkedServer in smaller batches
I've written the following code to move data from one database table, to another (over a LinkedServer);
SET NOCOUNT ON
DECLARE @ApplicationURL varchar(50),
@LinkedServer nvarchar(50),
@...
0
votes
1answer
66 views
Where to put single quotes?
I am trying to execute the below statement which creates a database called service2019:
DECLARE @dbname VARCHAR(50);
SET @dbname = 'service' + CAST(YEAR(GETDATE()) AS VARCHAR(4));
EXEC (
'CREATE ...
3
votes
1answer
252 views
If sp_ExecuteSql creates a new session, how come I can access a local temp table created (prior to it's execution) outside of the dynamic SQL?
If local temp tables are only available to the current session, and sp_ExecuteSql creates a new session to execute the dynamic SQL string passed into it, how can that dynamic SQL query access a temp ...
1
vote
0answers
29 views
Does dynamic SQL executed by sp_ExecuteSQL typically take longer to parse and compile, especially as the query complexity increases?
I'm noticing a batch of queries that used to parse and compile pretty instantaneously now take anywhere between 5 to 15 seconds to parse and compile as a dynamic SQL statement that is executed with ...
0
votes
1answer
154 views
Is a separate execution plan generated for each dynamic SQL query that is executed within a stored procedure?
If I have a stored procedure and I re-write the logic so that some of the queries are executed as dynamic SQL, will those queries now get their own individual execution plans in addition to the stored ...
2
votes
1answer
196 views
Variable to select database in SQL query
If I want use a variable in the FROM clause of a SQL query I need to use dynamic SQL. Which might be a pain if the query is long and complex.
There are few different ways of running a query from a ...
0
votes
0answers
13 views
Need to break up a large file into smaller files to send via sp_sendsqlmail
I have created a job to send a "report" to someone (actually two reports). My issue is that the query is returning some 150K+ rows of data (no lobs or xml or anything, so not large rows), but ...
2
votes
2answers
252 views
Postgresql return results of dynamic SQL
I'm using Postgresql, version 12.
My goal is to create a function, or stored procedure, which generates a dynamic select which is returned by the function or stored procedure. The difficulty is that ...
1
vote
1answer
261 views
Update dynamic column names using keys from jsonb argument
I'd like to write a generic procedure for Postgres 12 that updates a table's columns depending on what data is supplied in a jsonb argument. It could be done in application logic instead of course, ...
0
votes
3answers
192 views
Create stored procedure with dynamic number of columns + column names
I am relatively new to postgresql (I have version 12), and am having some trouble creating my first stored procedure. The real trouble is that I need it to be dynamic in some way, and thus I am having ...
1
vote
1answer
36 views
SQL Server Dynamic Group By
I want to create a de-dupe (remove duplicates) records (actually Guest Profiles) from a table (TableA).
The user can opt for 5 criteria (Surname, Name, Email, PostCode,Phone).
This means it can create ...
0
votes
2answers
79 views
Help error message inside dynamic T-SQL
I have a requirement to come up with reporting for indexes for our whole production environment:
I found the below script online and modified it according to my requirement and trying to execute it ...
1
vote
3answers
449 views
Creating temp tables SQL Server 13.0.5426 with dynamic SQL doesn't work
I'm trying to create a temp table using dynamic sql (MS SQL Server 13.0.5426). This is a simplified example:
Using straight SQL works:
DROP TABLE #tmp_ts; -- will error, but ignored on the first ...
1
vote
1answer
207 views
Unable to update a record with a trigger using a dynamic column on a PostgreSQL DB
I'm trying to get a column named XXX_LASTCHANGE updated whenever a record is updated.
As the XXX would suggest, this is a dynamic value I want to pass with the trigger definition rather than creating ...
2
votes
1answer
416 views
Convert a row to a nested JSON document containing all relations
In PostgreSQL 10.10, I have created a trigger function in PL/pgSQL that converts the NEW row to a JSON object using to_jsonb(NEW). But now I need to include the records on the other side of the ...
2
votes
0answers
62 views
RAISE NOTICE doesn't work as expected while using within Dynamic SQL block
I have a small piece of code to get all sequences and the current and maximum value of all sequences in a database. I have tried with recursive and some other alternatives through plain sqls, however ...
-2
votes
2answers
148 views
Wrong Output from Query
I am unable to get data from bnrcno column while using the below query.
select 'insert into table values('||id||','||bnrcno||','||chargetype||','||domno||','||coa_id||','||liability_gl||','||...
1
vote
2answers
69 views
Setting a date dynamically
I would like to set a date dynamically in the where clause of my query but I can't figure out how to do it.
The query is doing a count of the number of rows with an entered on date >= 1st August ...
0
votes
2answers
2k views
Monthly Date and Hour wise report generation using PHP MYSQL
Attendance Portal in PHP
I am facing problem at Final Attendance Report Generation
I'm stuck at the final stage of the Project:
I have a Table- attendance, If a student is Present I mark it as 1 if ...
0
votes
0answers
20 views
PostgreSQL multi-pivot with keys as column names rather than categories?
I am trying to use crosstab() to generate a tricky pivot which is not really a true pivot. I am looking to get the key names as column names rather than the category.
E.g.
create table pivot (id ...
0
votes
3answers
459 views
Must declare the scalar variable question
That is my first post here, need helps:
in a stored procedure I had some following code
CREATE PROCEDURE [dbo].[SP_getAvg] (
@projectId INT
,@carrierId INT
,@fetchType VARCHAR(20)
)
...
0
votes
2answers
135 views
Parameterized Dynamic TSQL - Dynamic Parameters
We have a situation where effectively the same report is requested by different customers but they:
Don't want all the columns
Want the columns in a different order than we naturally have them
Want ...
0
votes
2answers
151 views
Creating a SQL Agent Job using Dynamic SQL
I'm currently putting together Agent Jobs for Database backups, using the Ola Hallengren scripts. I've put together a script that creates an Agent Job to perform FULL backups and it's working ...
0
votes
1answer
51 views
Executing an oracle variable string as I do in SQL Server
In SQL Server I can do something like:
DECLARE @VAR VARCHAR(100);
SELECT @VAR = SELECT * FROM SYS.DATABASES
EXECUTE(@VAR)
How can I execute a string that I've created inside a variable in Oracle?
...
0
votes
3answers
103 views
Select with dynamic columns
I have an InvoiceHeader, InvoiceItem tables
InvoiceHeader content:
InvoiceId InvoiceNumber BusinessId BusinessName BranchId
1 1 10 BSN INC 1
...
3
votes
2answers
559 views
Dynamic SQL query - how do I add an int to the code?
Consider:
Declare @stringsvar varchar(1000)
Declare @Emp_id int
DECLARE @strvar SYSNAME = 'Employee_test'
SET @stringsvar = ('select * from' + ' ' + @strvar + ' where emp_id' + ' =' + @Emp_id)
...
1
vote
1answer
3k views
Stored Procedure error “Must declare the scalar variable” [closed]
I am trying to create a stored procedure with dynamic SQL inside of it.
The proc receives 5 variables, 3 of which are names of columns and fields and another 2 are for OFFSET and FETCH NEXT part.
I ...
5
votes
1answer
460 views
Is it good practice to create tables dynamically?
Let's say that I'm making an IRC bot, and in addition to all the other stuff that should be stored in the DB, I want to log all the messages in each channel in which the bot is present.
I already ...
1
vote
1answer
206 views
Facing error while trying to run dynamic pl/sql
Hope you're doing well
I'm new to PL/SQL and I'm trying to write a dynamic PL/SQL.
What I've written so far is :
declare
sql_stmt varchar2(100);
v_student_id number := 1;
v_new_stname ...
1
vote
1answer
202 views
passing the parameters of sp_executesql to sp_ineachdb or sp_foreachdb
I am often in need to run the sp_executesql in the context of different databases
I would like to add the same parameters as the sp_executesql into the sp_ineachdb
But when I look at this:
-- Syntax ...
0
votes
1answer
25 views
enable the data access for the current server - is this operation logged somewhere?
I have a similar question related to the same subject:
security concerns over enabling data access for the current server
BEGIN TRY
PRINT @@SERVERNAME
PRINT DB_NAME()
PRINT 'enable the ...
0
votes
1answer
34 views
How to select maximum date_created value from all tables matching certain pattern?
Given a MySQL DB with a hundreds of tables with the ones of interest being named ap_form_* where * = a random value. How do I loop through that list of tables to display the MAX(date_created) for each ...
0
votes
1answer
770 views
How to create and fill multiple session temp tables with dynamic SQL?
I have a column that holds JSON data. The table can be filtered for sets of similar JSON data that will have mostly identical JSON keys in the JSON column. I can dynamically collect the set of JSON ...
1
vote
3answers
73 views
How to create comment on table from query result
I want to use a query result as comment on the table. I have tried in psql:
\set list select count(*) from department.master_data
COMMENT ON TABLE department.master_data IS :list;
But I got this ...
