Structured Query Language (SQL). For questions about the language, not Microsoft SQL Server (tag sql-server).

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Reset schema oracle

I'm running systemtest that updates a oracle schema. I need to reset the whole scheme between runs. Is there an easy way to do this in oracle 12. I have looked at flashback but it doesn't seem to be ...
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0answers
43 views

Error: 18456, Severity: 14, State: 11. Login-based server access validation failed with an infrastructure error

We are getting the above error on a SQL 2012 server running Windows Server 2008R2 when connecting using an application and a service account. The server also has Config Manager database and GAP policy ...
1
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1answer
95 views

SSIS: To run the package outside of SQL Server Data Tools you must install expression task of integration services or higher

Me and my colleague using the same version of .Net framework (4.5) and installed SSDT in visual studio 2013. He prepared a package (not so complex) and can able to execute the same from SSDT without ...
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3answers
109 views

Best name for link table [closed]

I was wondering what the best name for a linked table in this situation (or any) would be. I've searched for this, but could not find any concrete examples. For example, I have the following tables (...
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1answer
84 views

Hoursworked/day computation via Bio Logs

This is my checkinout table: USERID CHECKTIME CHECKTYPE ------ ------------------- --------- 404 2016-02-12 07:24:03 I 404 2016-02-12 17:01:34 O 404 2016-02-15 07:24:21 I ...
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4answers
161 views

Weird WHERE Clause Behavior. Why does this return a row?

In SQL Server 2008, why does this return the row, even when I add a whitespace, or two, or more, to the end of the where clause? shouldn't zero records be found in the following example? WITH SRC AS (...
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2answers
32 views

Tryng to use and or queries

In MS Access, I have a table with six columns. A name and (let's say pets) so the columns are marked cat, dog, fish, rabbit and hamster. I want to do a query that I can check cat and it will show all ...
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3answers
183 views

How to format a phone number in a SELECT statement?

I have a database with table name student. I would like to display the register_number and phone_number of the student. The phone_number should be in the following format: +91-123-456-7890 and if ...
1
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1answer
105 views

SQL Server specific file group

I have a database with three file groups, Primary, FG_ExtendedTables, and FG_ReportingTables. I need to create another database (production db let's say), and restore only specific file groups and ...
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3answers
51 views

select two record containing dates in it with two input dates

Simply I have Two Input box Start_date End_date This is my database table | id | category | start_date | end_date | | 1 | gold | 2016-05-24 | 2016-05-31 | | 2 | silver | 2016-05-...
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2answers
80 views

best way to avoid redundant aggregate functions and/or group by columns

Suppose I have two tables: Foo: id baz Bar: id foo_id boom So a Foo has many Bars. I frequently find myself in situations where I need to compute an aggregate across the Bars for a given set ...
1
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0answers
33 views

Select where table and column name are from another table

I know I need dynamic sql, but haven't gotten this to work: I want to loop through a table and for each row, return the value of the field that is located by two columns for that row. Master ...
1
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1answer
36 views

Postgres - Querying Min, Max and getting associated columns data specific to those result of those rows

I have query in which returns averaged values by site and month. What I want to know is the min and max of those monthly averages by site and (the difficult part) the month when each occurred. Here ...
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1answer
132 views

Comma Separated values in sql server [closed]

I have three tables with relationship. TableDetail ID(PK), TableNo BookingDet ID(PK), BookID(FK BookingMstr.BookID), TblID(FK TableDetail.ID) BookingMstr BookID(PK), Date I want to get table ...
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0answers
25 views

improve performance with schema design, a lot join

I'm making a custom cms system for my client, with postgresql, nodejs ... have problem with slow performance issue, when doing select data . (and it is still on localhost/mac nginx and just few data, ...
0
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1answer
77 views

Open .mdf and .ldf files in Microsoft SQL Server without attach [closed]

I want to open .mdf and .ldf files in Microsoft SQL Server without attach. Are the following steps correct? Add new database with MYDBNAME name. Copy the files MYDBNAME.mdf / MYDBNAME_log.ldf to ...
0
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1answer
54 views

Problems with queries [closed]

I have problems with queries in MySQL. Problem 1: Query: SELECT * FROM information_schema.TABLES WHERE TABLE_SCHEMA="mysql" and TABLE_NAME="servers" MySQL says: #1054 - Unknown column 'mysql' ...
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0answers
12 views

Efficiently get records with latest timestamp per group [duplicate]

I have a table which roughly looks like this uuid uuid, id id, data text, last_updated timestamp Each row has an associated unique uuid. However, the key of interest is the id (indexed). ...
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2answers
33 views

text positioning for select list

I have following issue, I have hierarchy table where every record has level, code and description and I need to have description to look as it is was one column. Example code CREATE TABLE #tmp (...
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2answers
62 views

Get the Text of the currently running SQL?

This is something I am just interested in knowing if it is possible. Could I write an SQL query that could return the text of itself as a variable? Where I might use this would be on things like ...
4
votes
2answers
81 views

Select tables on column entry in schema (with many tables)

I have a schema in a PostgreSQL-DB that includes approx. 3000 tables with each having one row/ entry (size, id, geom). I'd like to select all tables which have a size value lower than 20. How can I ...
3
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2answers
79 views

Enforce uniqueness across optional attributes for an entity

I have an entity that has multiple attributes, and these attributes are themselves entities. No two entities may have the same attributes, so there needs to be a uniqueness constraint across them. ...
0
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1answer
37 views

How to, efficiently, search through many sql dump files of really big size

We have an ads website that the uncompressed(plain .sql file) size of the database is about 30gb. Until now when a user was deleting his classified the classified was completely getting wiped out from ...
1
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1answer
31 views

How to handle id's referring to multiple tables in an SQL database

I'm working on an MySQL Database for my website but I'm not sure on how to proceed now. I get to the point where actions have requirements in multiple other tables, but also have influences in ...
12
votes
2answers
348 views

How to write a query in SQL Server to find nearest values

Let's say that I have the following integer values in a table 32 11 15 123 55 54 23 43 44 44 56 23 OK, the list can go on; it doesn't matter. Now I want to query this table and I want to return a ...
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2answers
36 views

Prevent duplicate record counts in one to many query

I'm trying to get a count of ethnicity for a teachers students. My first table contains the student number and ethnicity. The second table contains teacher id's, student numbers, course numbers, and ...
0
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1answer
55 views

SQL Continuous Table Updating: Best Practices?

I have a highly "vertical" database, and I've written a dynamic pivot script to build a new time-indexed table that I can actually query on human time scales. Pivoting the table takes a few minutes ...
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0answers
98 views

automate import and export of process EXCEL -> SQL SERVER - > EXCEL without using SSIS

I have an ETL process that is entirely written using T-SQL scripts. The script grabs an Excel spreadsheet and imports it using openrowset. Once I get the transformed data I copy with headers and paste ...
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0answers
32 views

PostgreSQL 9.3 Query Design Optimisation - Improving speed

I am looking to optimise a query that is currently taking ~2500ms to run in PostgreSQL 9.3. The reason I need to optimise it is that may have to be run frequently and it directly impacts user ...
2
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1answer
55 views

Prevent duplicate entries

I have log in form with Username and Password. $con=mysqli_connect(LOGINDETAILS); /*if (!$con) { die("Can not connect: " . mysql_error()); } */ $Username = $_POST['Username']; $pswd = $_POST['pswd'...
2
votes
1answer
53 views

REGEXP does not show the right result?

I have in the name column: 3 boxes of frogs 7 boxes of frogs 48 boxes of frogs When I execute: SELECT name FROM items WHERE name REGEXP "[^1-5] boxes" ...the result is: 7 boxes of frogs 48 ...
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2answers
100 views

Find percentage of NULL storage in Oracle table

I have a table in Oracle 11g Standard One Edition: table1 col1 col2 col3 col4 col5 col6 col7 col8 col9 col10 col11 1 NULL 2 3 4 5 NULL NULL 19 21 22 1 NULL 2 3 ...
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1answer
16 views

Combine addresses missing Unit/Suite #

I have a list of addresses which need to be updated in SQL Server. How can I go about adding the Suite # to the addresses which are missing it? Address 1 Burton Hills Blvd, Suite 250 1 Burton Hills ...
3
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3answers
288 views

9 digit zip codes are reporting LEN of 12

I am attempting to resolve some difficulties in getting zip codes to display properly. The original spreadsheet has zip codes of mixed 5 and 9 digit formats. After the import process, these 9 digit ...
0
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1answer
33 views

Access Web App query 3 Tables with aggregatios - Need a workaround

I'm designing an Access 2016 Web App for inventoring our computers. The problem I have is with a query where I want to get the CPUCore-amount and RAM-Amount for each PC. The computer-value in RAM ...
0
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1answer
22 views

not a single-group group function when trying to add two sum() function [closed]

I have two tables: create table a ( index_ numeric(1), value_ numeric(2) ); create table b ( index_ numeric(1), value_ numeric(2) ); Now I want to get the number of these two tables sum,I ...
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2answers
37 views

Compare possible null values in one query

Question is pretty short and simple: I have following query: SELECT * FROM CTE Now I want to get all rows with only maximum value of some field. SELECT * FROM CTE WHERE NodeId = (SELECT MAX(...
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votes
3answers
182 views

Good example of MDX vs SQL for analytical queries

Can anybody show me a good example of MDX's advantages over regular SQL when doing analytical queries? I would like to compare an MDX query with an SQL query that gives similar results. Wikipedia ...
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9 views

Datastax solr query

I have 1 dse search node in my little cluster. I can look for data using solr quey only from this node. Is it possible to execute solr query from not dse search node (with cassandra only) too? Thanks
3
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2answers
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Poor SELECT performance on recheck cond with data and large (millions of rows) partial index

Query: EXPLAIN (ANALYZE, BUFFERS) SELECT COUNT (*) AS "count" FROM "Posts" AS "Post" WHERE "Post"."createdAt" > '2015-08-19 14:55:50.398' AND "Post"."new" = TRUE; Index: CREATE ...
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0answers
36 views

MySQL: Calculations and Triggers across multiple tables

I'm new to sql and I'm having trouble with a calculation involving two of my tables. I have a table, payroll, which looks something like this: CREATE TABLE payroll ( id INT(6) UNSIGNED AUTO_INCREMENT ...
0
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0answers
41 views

Error while accessing TempDB Properties from SSMS

While trying to access TempDB's properties from SSMS (2014 SP1 SSMS) the following error comes up. Any ideas how to fix this? TempDB is owned by 'sa' and I am logged in with the 'sa' account. TITLE:...
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2answers
169 views

Get SSRS Datasources from ReportServer

Housekeeping on an old SSRS, this particular server is 2008R2. I have the query below which gets me the name, location, creation and modification overview for all the reports. I would also like to ...
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0answers
11 views

SQL query for setting value

I found this example for configuration databse tables: http://stackoverflow.com/questions/10204902/database-design-for-user-settings Can you show me some example for SQL query for getting ...
0
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1answer
11 views

postgresql fulltext slow

I am trying PostgreSQL for the first time, but am finding the fulltext search very slow. My database has a table with 5 columns and 5 million rows CREATE TABLE table_test ( id integer NOT NULL, ...
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1answer
186 views

OFFSET … FETCH overlapping results on second page

When using OFFSET ... FETCH, I'm having I'm getting...interesting results. Here are two sqlfiddles to illustrate my problem. http://sqlfiddle.com/#!6/71ac1/4 and http://sqlfiddle.com/#!6/71ac1/8 ...
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1answer
31 views

Writing a query to COUNT all the services involving a particular

Learning PHP and SQL on an online MOOC, this is a homework that I've got to do. I need to write a query in SQL to count all the services which involve a particular person in my database. The ...
0
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1answer
48 views

Multiple databases in production

We have 3 level hierarchy in our business model. Entities at level 3 contains huge data (like dailyfacts tables). In our current DB architecture, we have one single database & all level 1 ...
4
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2answers
216 views

Optimize query to find top N users who commented on a post

Problem Trying to find the most efficient query to retrieve the top N (5 in the examples) users who have commented on a post, where a user is considered 'top' if they have the most followers. The ...
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0answers
23 views

Calculate total number of faults that occurred today?

I have created a database application in Access that can be used to view fault reports that have been logged against a computing department's inventory. So far I have created queries which enabled the ...