Constructing a query at runtime with string concatenation operations and executing the query from that string.

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72 views

Another Dynamically alias column question

I might be asking the same question as this, but perhaps if I ask it my way, a different solution may become obvious. I have this: DECLARE @Table1 AS TABLE( Table1ID Int Primary Key ,ColumnName ...
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2answers
105 views

Reset the sequence of a serial PK with dynamic SQL

How can I dynamically reference a sequence name (as below) using a combination of strings and DECLARE variables? Is the code below proper or is there another method of doing this? My goal is to do ...
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3answers
196 views

Copy table with separate sequences for serial columns

While creating a column management tool I came across the need to quickly replicate tables in PostgreSQL so I would not test new tools with non-test tables. To effectively test the new column tool ...
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2answers
693 views

Add function parameter to SQL query WHERE clause

I have a web application in java and it uses a query. I don't want to write the query into Java, so I made a function: CREATE OR REPLACE FUNCTION testFunc(inputs text) RETURNS TABLE(...) AS $$ ...
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2answers
49 views

Dynamic SELECT and place result in variable columns

Edit: I use Microsoft SQL Server Management Studio, I believe it's SQL 2008R2. Sorry, new to this. I've got a complex question, at least, I think so since I can't find the answer after excessive ...
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2answers
58 views

Trunc sytax problem

If any one could help me with the syntax issues which I am facing here. sqlshipped := ' and a.ORDS_COMPLETED_DATE between ' ||shippedfrom ||' and trunc(' ...
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1answer
26 views

Dynamic SQL in a pivot table

I was watching a video on pivot tables and got to thinking, why can't we just push in a sub query into the IN clause, instead of declaring the expected columns statically? Well, turns out you cant ...
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3answers
111 views

Add fields to view from select (transpose fields)

I've got a table with following structure: CREATE TABLE test ( id integer, field character varying, value character varying ); field value ------ ----- field1 value1 field2 ...
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1answer
99 views

EXECUTE within function not using index?

I have an accounts table with ~200k rows and an index for these columns: account_type_id BIGINT , member_id BIGINT , external_id VARCHAR(64) CREATE INDEX account_full_qualifiers_idx ON ...
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1answer
123 views

Refactoring sql for tables with similar columns but different table names

I have the task of re-factoring a SQL script that performs a lot of unions from different tables. These tables have similar information, so the script queries the same columns as in each table, except ...
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1answer
132 views

UPSERT statement never completes, infinite loop?

Based on some of the stackoverflow answers I wrote the following UPSERT statement, which I think must be stuck in an infinite loop. I added a statement in there to avoid an infinite loop (as it would ...
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2answers
869 views

Dynamically REVOKE CONNECT FROM guest in SQL Server 2005

I wrote this simplistic script (I'm not very familiar with TSQL and dynamic SQL) to revoke all connections from guest accounts: DECLARE @database_id int, @database_name nvarchar(100); DECLARE ...
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1answer
6k views

Dynamic SQL is not allowed error for creating function in MySQL

According to this question and answer of Angelo I create a MySQL function as below: DELIMITER $$ CREATE FUNCTION hierarchy_connect_by_parent_eq_prior_id(value INT, reqdTable VARCHAR(50)) RETURNS INT ...
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1answer
111 views

double date conversion when adding partition

I want to create a procedure that adds new partition in a table partitioned by time. For this purpose I use following commands: s_until := to_char(sysdate+1,' SYYYY-MM-DD HH24:MI:SS'); ...
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1answer
76 views

Using Identity Insert on a linked server

We have a database hosted in Microsoft Azure and using this database connection details I have created a linked server object in SSMS on our on-premise SQL box and I can insert into it as following ...
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0answers
36 views

Performance impact in orders of magnitude with Dynamic SQL [closed]

This started as a problem debugging a SSRS performance problem where I found reports were timing out when they previously weren't. Finally I traced down the SQL the report server was submitting, and ...
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2answers
1k views

Dynamic Creation of Table using Stored Procedure Without a Use of OpenRowSet in SQL Server

Q.--> An alternative of OpenRowSet in SQL Server Description: I have created a procedure which uses Dynamic PIVOT to get a result. I have a table which contains column DateRange with values Jan-2014 ...
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1answer
141 views

use variable to determine the name of a column in the select in postgre

I'm trying create a update for a new structure of tables from a old table, but not using functions. I'm trying create a script to it. The old table is like this: -- old table (OldTable) name| col_a | ...
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1answer
179 views

Delete rows while updating references

Suppose I have a person table with an id and some other columns. Other tables reference the person table using ON UPDATE CASCADE. for instance: CREATE TABLE person (id int PRIMARY KEY); CREATE TABLE ...
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0answers
113 views

Execute SQL at different server (with dynamic server name)

I'm using a settings table to configure on which servers a specific kind of data is stored, and I would like to do this as dynamic as possible without having to add the server as a linked server ...
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0answers
595 views

Prepared statement execution with variable number of parameters to be bound

Some stored procedures I work with need to interpolate WHERE criteria based on if procedure input parameters have been supplied. To avoid potential injection points, I'd like to utilize parameter ...
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2answers
641 views

How to use same stored procedure for different tables and avoid using dynamic sql

I have quite a few tables which contain some common columns (same name and datatype). On these columns I need to perform the same operations and I would like to do that via a stored procedure. However ...
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1answer
3k views

Using dynamic column names in PostgreSQL

I am using PostgreSSQL 8.3. I want to execute this query: select COALESCE(col_fr,col,'Unknown') from my_table where id = 'abc'; Twist in the story is column name colum_fr should be generated ...
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1answer
58 views

I am trying to loop through my counter to create a dynamic sql query which should finally look like [closed]

I am trying to loop through my counter to create a dynamic sql query which should finally look like I am trying to use this approach to get the final query but does not seems to work declare ...
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2answers
182 views

Write output from dynamic queries in PL/pgSQL to CSV file

PG_CMD="psql -d portal -U portal -c " PG_CMD_TP="psql -d portal -U portal -t -P format=unaligned -c " abc() { $PG_CMD " DO \$$ DECLARE srowdata record; ...
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1answer
46 views

dynamic postgres inside shell script not working

PG_CMD="psql -d portal -U portal -c " PG_CMD_TP="psql -d portal -U portal -t -P format=unaligned -c " abc() { $PG_CMD " DO \$$ BEGIN select * from customer; ...
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0answers
36 views

Problems with GO keyword [duplicate]

I have a query: DECLARE @str NVARCHAR(max) SET @str = 'SET QUOTED_IDENTIFIER ON' + CHAR(13)+ CHAR(10) + 'GO' + CHAR(13) + CHAR(10) + 'Select 1 from MyTable' PRINT @str EXEC (@str) It returns an ...
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112 views

Reviewing ways to generate monthly tables using PL/SQL automatically

I am attempting to automate a set of tables that my colleagues produce monthly, using PL/SQL. The set of tables contain data about different metrics (e.g. Customer revenue, customer demographic ...
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0answers
200 views

Run a specific SQL Server job step from a stored procedure

I have a job with 5 steps that are scheduled to run after each other. I want to have a stored procedure where a user can execute the stored procedure and give the step number as a parameter. Only ...
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0answers
29 views

Accessing values of dymanic cloumn

I have a table which has 16 fields whose of alternate name to city. Below is my table structure: CREATE TABLE CITY_DATA_TO_CHK ( COUNTRY_CODE VARCHAR2 (100), REGION ...
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2answers
344 views

How to implement a dynamic string into a (prepared) sql statement?

I have some spatial datasets which are available in a open source metadata catalog software GeoNetwork and in a PostGIS database. The problem is that the student who created the database used ...
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1answer
203 views

Update query in a trigger

I have a configuration table: Table: refdatecol - id int(11) startdatecol varchar(100) enddatecol varchar(100) datecolTable varchar(100) This table holds the user configured column names ...
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0answers
243 views

Partly rotated table with pivot/dynamic SQL without aggregation

Using MS SQL 2008, I have created a table that I want to display in horizontal direction instead of vertical direction. Because I do not now how many query results I will get returned I think I have ...
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2answers
70 views

Efficiencies and pitfalls of a dynamically updated “Uber” View to streamline future code

We have a number of tables (about 40) with approximately 2500 columns between them that all have matching primary keys, but different unique columns. For various procedures and views, we'll draw on ...
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1answer
243 views

Selecting just one table from Oracle view [closed]

I am creating a view to ease my manual selecting because I only want to fetch data from DB where it is meeting certain criteria which are present in several tables, so it is containing a lot of joins. ...
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1answer
193 views

How to use variable value inside copy function [closed]

I want to send data to .csv file using COPY function in Postgres. But I am using anonymous block so my table name should be value of variable. COPY (SELECT cname.portal from user) To '/tmp/out.csv' ...
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1answer
160 views

How to pass Parameters to stored procedure with input parameters from checkboxes [closed]

I have a query where i need to generate results based on checkbox selection. How do i need to pass my input parameters to the stored procedure in the where condition based on selection. Note: i may ...