DO NOT USE this for questions targeting Microsoft SQL Server, use the tag sql-server instead. "SQL" is an acronym for "Structured Query Language", it is used in relational database management systems (RDBMS) to query, update, delete, and insert data as well as modify the structure of the database. ...

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0
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0answers
18 views

How to represent multiple unique constraints across hierarchical tables?

My (shortened) table definition is: CREATE TABLE bus ( id integer NOT NULL PRIMARY KEY, name character varying NOT NULL CHECK (name<>'') ); CREATE TABLE network_node ( id ...
0
votes
1answer
29 views

Compatibility level 100 on SQL Server 2008 R2

I'm upgrading my databases to compatibility level 100 on SQL Server 2008 R2. My next step is to check if my stored procedures, functions, views, triggers are still working properly. Running each of ...
0
votes
0answers
26 views

The target principal name is incorrect. Cannot generate SSPI context - SQL Server 2012 error

I don't understand why this error is popped up suddenly. It was working till yesterday. It is a stand alone env. Problem is when me or any user wants to connect from their machine locally it is ...
0
votes
2answers
48 views

Dynamic Filters in SQL server

I have problems with my dinamic filter in 'sql server'. My problem is that the filters aren't working. When I try to execute the store procedure I just get all the data without filtering. I'm new ...
0
votes
0answers
34 views

How to fetch two column different row values in sql [on hold]

I need emp table column name is ename 'Martin' and 'jones' details and in job column who every working as 'clerk' they both want to fetch Martin and jones are working in different jobs
1
vote
1answer
11 views

Replication with fail over cluster in SQL Server 2014

Presently I am Using Replication Feature in SQL Server 2012 .I want to migrate to SQL server 2014 .I want to use fail over cluster feature .Does it effect the replication feature which we are using ...
0
votes
2answers
55 views

Select statements during long update

I've a table MESSAGES id (long) | attach_data (image) | ins_date | flag this table contains all messages of my application. During night, my job cleans old attach_data with query update messages ...
1
vote
0answers
41 views

SQL Server Profiler

I had run a SQL trace on SQL server 2008 r2 and had originally saved it to the table format. This table now resides in the database and I was wondering could I export the contents of the table to a ...
0
votes
0answers
10 views

i have a roll_no,semister_id and marks of semister i want to show result like roll_no semister_1 and semister_2 [on hold]

I have a roll_no,semister_id and marks of semester, and want to show result like roll_no , semester_1 and semester_2 [As shown below]
0
votes
0answers
42 views

How to tune a stored procedure that is fast on test data but slow in production

If you have a SQL Server 2012 database with test data in development and preproduction phase and the real from the company's server take place only in the production phase. In other words, the real ...
0
votes
1answer
25 views

Deleting near duplicates based on one varchar field

I'm getting around to cleaning a database but I need some help with deleting near duplicates in MySQL database but is only off by one character in a column. I've searched and found ways to remove ...
0
votes
0answers
17 views

Compare values between columns in different tables

I have two tables that looks exactly the same: CREATE TABLE `_sync_history` ( `id` int(11) NOT NULL AUTO_INCREMENT, `object_name` varchar(45) DEFAULT NULL, `sync_time` datetime DEFAULT NULL, ...
2
votes
1answer
71 views

select n values per group

Lets say I have the following table ----------------------------- | user_id | comment | ----------------------------- | 2 | thats cool | | 2 | awesome | | 3 ...
0
votes
2answers
46 views

How many passes of a table are done with UNION ALL? [on hold]

I am trying to run a single query that will make a single pass through a table, and was wondering if by using UNION ALL to make counts of total row unioned with counts of unique rows so I would be ...
2
votes
1answer
24 views

How to write a query that counts rows by date?

I have a database named emp1. There is a table named tx_feeder. I want to get the count of rows from that table. I have used the following query to get the data of single day, select count (*) ...
0
votes
0answers
23 views

Creating a trigger to update field in 1 table based on values in another table using data in multiple rows

I'm new at SQL and need to create 2 triggers between 2 tables. Table 1 has the following columns: tbl1.ContractID char(6) tbl1.ContractFulfilled char(1) Table 2 has the following columns: ...
-1
votes
1answer
17 views

T-SQL Trying to create a trigger that uses joins across 2 server instances [on hold]

I am trying to complete a trigger on 2 instances of SQL Server. I am running MS Dynamics ERP set CRM & GP. I need to remove data from one server once an update happens to another table. I have ...
-1
votes
0answers
44 views

Design for fast database query over millions of rows [on hold]

I want to query in a database like : Let us consider a student table with the following attributes: (Id, Age, CGPA, Address, Gender). Our table contains record for all the student in the world (so my ...
1
vote
2answers
61 views

Minimum value on most recent date per account MS ACCESS SQL

I have a MS ACCESS DB table Riskscore with the three fields: CHACCTBS, CHRQDATE, CHSCORE and want to find the lowest CHSCORE on the most recent CHRQDATE per CHACCTBS where it is possible to have ...
1
vote
0answers
41 views

Update Table Query: Automatically handle “Enter Parameter Value” prompts?

EDIT: Here are two database Files that demonstrate an applied example of the problem: Example_DBs.zip (Zipped due to 2 link limitation.) Note: The missing Field in "Not Working.mdb" is ...
1
vote
1answer
28 views

Modulo operator with nonintegers - unexpected results

MySQL 5.5.32, Oracle 11g MySQL returns strange results for queries involving mod() with noninteger moduli. Why is this? I have a column defined thus: ...
1
vote
2answers
26 views

MYSQL find if a default value has been set for a table (DateTime Specifically)

I am trying to internationalize a database, but there are places where the timestamp that gets set is using NOW() instead of UTC_TIMESTAMP(), and it's using Amazon's RDS with multiple MySQL servers. ...
0
votes
0answers
29 views

INSERT INTO SELECT causing data to double

I have strange issue. I am working in a Teradata database. In a procedure I am populating a main table by processing data via multiple intermediate tables. But in the end only one table is populating ...
0
votes
1answer
23 views

inner join on true

My table: abc +--------+ | letter | +--------+ | a | | b | +--------+ Query: SELECT * FROM abc t1 INNER JOIN abc t2 ON true Result: +--------+--------+ | letter | letter | ...
-4
votes
0answers
23 views

what is update cascading exactly in sql? [closed]

We have three table declarations for P1(A), Q1(B) and R1(C) with referential integrity in SQL. create table P1 (A primary key); create table Q1 (B primary key references P1(A) on update ...
1
vote
1answer
14 views

Address Windowing Extensions Overhead

I just found another SQL Server (2008r2) with AWE enabled on a 64-bit OS/SQL combination. Has anyone done an research as to the overhead created by enabling AWE on the 64-bit OS/SQL combination? It ...
1
vote
1answer
23 views

SQL Server restore database file access error

I am trying to restore a database from a file on a remote machine. The script I am using is as follows: RESTORE FILELISTONLY FROM disk = '\\server\path\to\file.dmp' RESTORE DATABASE MyDB FROM ...
0
votes
1answer
25 views

Virtualized SQL Server Memory Oddity

I've not seen this before, though perhaps it is common. I am looking at a virtualized (VMWare 5.5) SQL Server (2008R2 on Windows 2008 R2). What I am seeing is that in Task Manager, sqlserver.exe is ...
-1
votes
0answers
38 views

Select query for finding jobs started at same time

I have a 'Job_Status' table with 3 columns: Job_ID (numeric) Job_Time (datetime) Machine_ID (numeric) At a regular interval (1 min), entries are inserted in the above table for the Jobs running on ...
1
vote
1answer
28 views

MySQL Matching records across tables discrepancies

I have a database called match, within this database I have a number of tables. Of which in particular I need to marry up two datasets in different tables to identify email addresses that are not ...
1
vote
1answer
42 views

How to optimize the sort in Postgres query

I've been trying to optimize the sort in the following query. I ran EXPLAIN ANALYZE and the majority of the time is during the sort when it arranges the output by distance. I've tried converting the ...
0
votes
0answers
16 views

Selecting the correct database engine [closed]

I am looking for a database engine/system that will allow me to do the following things: Query in SQL Use key-value store or document-store I am trying to setup an intentionally vulnerable server ...
5
votes
2answers
64 views

Find rows where integer sequence contains a given subsequence

Problem Note: I refer to the mathematical sequences, not the sequences mechanism of PostgreSQL. I have a table representing sequences of integers. The definition are: CREATE TABLE sequences ( id ...
1
vote
3answers
24 views

Access Query Design View: Show results in two columns from one table

Lets say I have the follow Tables: Outfits: ID | Top Color ID | Bottom Color ID 1,2,1 2,3,4 Colors: ID | Name 1, Red 2, Blue 3, Green 4, Orange I'd like to have a query in design view to have the ...
0
votes
0answers
30 views

Correction of a complex query [closed]

I don't know if this question is appropriate on this forum. I have a huge query : SELECT threshold.id, brand.id, COUNT(brand.id), threshold FROM current_stock, article, product, brand, delivery, ...
-1
votes
0answers
22 views

Modifying a query for the UPSERT command [closed]

Here is the current query select pt.name, slr.name from stock_route_product srp inner join product_template pt on srp.product_id = pt.id inner join stock_location_route slr on srp.route_id = slr.id ...
0
votes
1answer
16 views

Replicate update statement as Insert in Mysql 5.6

I want to replicate all update statement from Master as a Insert at slave end. 1. Is it possible like in SQL Server ? 2 If so , how ? I want to do it because , if any record on master is ...
2
votes
4answers
106 views

Finding all date ranges that overlap a target date range

Say I wish to store when staff are on holiday (FromDate, ToDate) and then I wish to find all staff that are on holiday between two given dates (QFromDate, QToDate). Now assume that I have many such ...
1
vote
0answers
30 views

Why does my query search datetime not match?

select * from A where posted_date >= '2015-07-27 00:00:00.000' and posted_date <= '2015-07-27 23:59:59.999' But the result contains a record that has posted_date today: 2015-07-28. My ...
2
votes
1answer
46 views

Row with latest timestamp

How to get the row with the latest value in a TIMESTAMPZ column? Is an index needed? Does an index change the strategy? Would behavior vary by database (I'm using Postgres 9.4)? My app records data ...
2
votes
2answers
35 views

Ensure only one of the several records for a given item has a column with true value

I have a table called Computer with columns: id NIC_name is_primary My primary key is (id, NIC_name) and is_primary is a bit field for a boolean value. I would like to ensure that for all ...
1
vote
0answers
33 views

I need to find the “rank” in a sub-set of entries

I am currently working on some sort of a highscore list. But values displayed are individual for each user, ie. limited by constraints. One constraint that I am currently working on is "being part of ...
1
vote
1answer
31 views

What is the correct implementation of handling concurrent SQL inserts while ensuring a non-primary key column (i.e. wid) unique and auto-incremental?

What is the correct implementation of handling concurrent SQL inserts while ensuring a non-primary key column (i.e. wid) unique and auto-incremental? Note: There was a design constraint that led this ...
1
vote
2answers
37 views

group result of multiple table to get unique result after count operation

survey_categories +---------------+-------------------+ | survey_cat_id | survey_cat_status | +---------------+-------------------+ | 1 | 1 | | 2 | ...
0
votes
1answer
25 views

Is it necessary for rownum = 1 with Query.createQuery().getSingleResult()? [closed]

I'm a newie and I'm not really sure if MIN(My_Date) returns just one row if 2 or more dates are identical. Reference is a FOREIGN KEY. so to limit query: SELECT MIN(Shipping_Date) FROM ...
-1
votes
1answer
39 views

How to do superscript in SQL Server 2012 query? [closed]

I am trying to change superscript in SQL query string. Example: Select 'Your submitting date is 2nd January 2016'; As above query, I want to change nd to superscript.
3
votes
1answer
35 views

MySQL query WHERE IN + ORDER BY, which EXPLAIN is better and how to avoid filesort?

This is my table definition, without any special index for now: CREATE TABLE `filter` ( `field_name` varchar(32) COLLATE utf8_unicode_ci NOT NULL, `category_id` varchar(32) COLLATE ...
1
vote
2answers
32 views

How to select only those records that have different/multiple for a particular field

Below is an example of my membership table. There some records having multiple values in the email field. I only want to select those records that have multiple email values: Member table ID ...
2
votes
0answers
25 views

Join duplicates on T-sql

Background: This is largely a learning exercise. I am working on a task scheduling program. Part of the program requires making a report to print out. I am working with the original version of the ...
0
votes
1answer
25 views

How to see query executed for a specific user from V$SQL

I am trying to have the queries used for a specific user at the end of the day. But it seems the queries in this view V$SQL are deleted every short time. I am not sure how much time. Also i dont know ...