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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1answer
5k views

how to return table on sql function

I am very new to sql create function i wanted to check data column value at table the purpose is to return full table where data is null , <0 , >1 the problem is i am trying make data is ...
2
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6answers
3k views

MySQL join two table if second table is not empty

I have 2 tables like below table 1: users id name 1 John 2 Jane 3 Mery 4 Alpha table 2 : notes id note owner created 1 alpha alpha 1 2013-02-03 10:30 2 yeah ...
7
votes
1answer
804 views

selecting where two columns are in a set

This might be a silly question, and my suspicion is that I can't do this, but is there a construct in SQL that would allow me to do something like the following: SELECT whatever WHERE col1,col2 IN ...
3
votes
1answer
929 views

Different Results From sys.databases As Different Users

We have a SQL Agent job that is configured to run as user "dbo". This job gets a list of databases defined in sys.databases that match a naming scheme. The job then performs some dynamic SQL to ...
0
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2answers
41 views

SQLQueryTableData-Important

In SQL Server Management Studio, when I run the query select * from tablename it shows me the data. But, that table is not physically present in that database. Is it possible?
2
votes
2answers
396 views

Using data from other database to populate a new database

I have a SQL Server database DB1 and want to move data from DB1 to DB2. But only want some of the data to be moved. I want all the rows from DB1 that have a catParent that is the same as I Id from ...
0
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0answers
406 views

MySQL Left Join Select all rows

Hi guys I have a query which is pulling data from database : SELECT sandwich_table.id, `sandwich_name`, salad, COUNT(salad), salad_type.type, ...
0
votes
1answer
117 views

sql job cancel triggers failure notification

When I cancel a sql agent job running an ssis package, I get a failure email because I set up the notifications to email when the Job Fails. Does anyone know why this is considered a 'failure'?
4
votes
1answer
147 views

comma delimited column fix

At my current place of employment someone made a decision to put IDs into a comma delimited column. I'm looking to break these out into a proper many to many relationship. However; it is not in the ...
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vote
1answer
205 views

Change tracking SQL Server 2008

My requirement is to track old rows and modified rows from some particular table and the time when changes are made. Using "Change Tracking" and with help of any system table. Due to some specific ...
-1
votes
1answer
13k views

how to sum column values with same id [closed]

with this query : SELECT a.nid, a.stock, b.qty FROM uc_product_stock a INNER JOIN uc_order_products b ON a.nid = b.nid I have the following result: nid stock qty 11 256 4 11 256 ...
17
votes
3answers
3k views

Why would someone put `where 1=1` in a query?

I came across a view in our database today where the first statement in the where clause was where 1 = 1. Shouldn't this return true for every record? Why would someone write this if it isn't ...
3
votes
1answer
115 views

Dissecting Joins

Recently I asked a question in dba.stackexchange the question was about data hierarchy in sql and a guy named chris allen answered the question and I really loved it but when I try to understand that ...
1
vote
2answers
281 views

Select Into a table on server1 from server2 without using 'Linked Servers'

I am trying to get all the records from one table into another table but these tables (which are identical) are on separate servers. Any help would be appreciated. Thanks
4
votes
1answer
457 views

Does the order of fields in SELECT query matter when using composite indexing?

I understand that the order of columns in the index itself matters immensely; however, what about the order of columns in the subsequent SELECT queries that make use of that index? For example, if I ...
4
votes
1answer
214 views

What is the importance of customized data spaces in SQL Server and what are the quantitative measures that can be used to efficiently design this?

I am curious as to what are the advantages of creating custom table spaces for Microsoft SQL Server 2008. As of now, and based on my limited experience all I can really tell/assume are the following ...
4
votes
1answer
461 views

SQL Server 2008 upgrade advisor tool

We upgraded to SQL Server 2008 from SQL Server 2000. But due to some legacy scripts/queries in our health care application, that run only in 2000, we had to run 2008 version on backwards compatibility ...
13
votes
3answers
374 views

What is the correct result for this query?

I came across this puzzle in the comments here CREATE TABLE r (b INT); SELECT 1 FROM r HAVING 1=1; SQL Server and PostgreSQL return 1 row. MySQL and Oracle return zero rows. Which is correct? ...
3
votes
1answer
862 views

Best Approach for Mirroring Data from SQL Server to MySQL

I need help in regards to replicating data from a third party point-of-sale system with a SQL Server backend to a MySQL DB. Specifically, can anyone suggest a best way to mirror data from SQL ...
1
vote
2answers
133 views

How to Perform Two Simple Queries using Select Value from First Query

I need to perform a select operation and get the id column's value (single value returned). Using this value, I need to perform two more selects on the same table using UNION ALL (in order to select ...
3
votes
1answer
882 views

Index Key Column Order

I have created a joining table for many-to-many relationship. The table only has 2 cols in it, ticketid and groupid typical data would be groupid ticketid 20 56 20 87 20 ...
0
votes
1answer
535 views

inconsistent Data Type -ORA-00932

I know there is question related to inconsistent datatypes but that comes from a query. while I am getting this error on database side when we try to access user defined datatype on our schema that ...
1
vote
2answers
404 views

Count events on “user based” sliding window

So, if I wanted to know how many events a certain user bought in certain timeframe windows. I will use 7 for the example, but the query should accept this number of days as a parameter, which will be ...
-1
votes
1answer
86 views

Select query from two tables which only specified rows [closed]

I want to try querying two tables, like this: Table A user_id primary_indicator ------- ----------------- 9012445 Y 9012445 N 9012442 N 9012332 Y 9012332 N 9012445 9012332 Table B ...
1
vote
1answer
804 views

Possible to query all SQL Server Indexes which have page locks enabled?

Is it possible to run a SQL Server Query in order to view all SQL Server Indexes which have page locks enabled?
0
votes
2answers
825 views

Database design of Ledger Account and Balance sheet generation

I am building an application which has deposit and loan accounts management, for which i have to develop ledger accounts and then generate balance sheet. Being new to database design, i am having a ...
6
votes
4answers
1k views

Returning rows where all non-NULL values are equal

Is there a simpler T-SQL construct for "all of these columns to be equal (NULLs ignored) on a row" - effective I want to say: WHERE MIN(a, b, c) = MAX(a, b, c) OR COALESCE(a, b, c) IS NULL this ...
4
votes
2answers
17k views

Primary filegroup is full SQL Server 2008

I have a large table (~50 million rows) I'm trying to bulk insert into SQL Server and I get the error: Could not allocate space for object 'myDB' in database 'I 3 Stroke' because the 'PRIMARY' ...
1
vote
2answers
467 views

How to link each column in sql?

I have been working around on a query given by one of my developers who works on crystal reports as a junior DBA, I always like to help them even though I am busy with other things as it will increase ...
5
votes
3answers
6k views

What are the advantages and disadvantages of storing binary data in a SQL table vs a network drive? [duplicate]

Possible Duplicate: Files - in the database or not? I've been reading "Programming Entity Framework Code First" ...
1
vote
1answer
209 views

is it reasonable to use NoSQL for my project

Imagine you want to write a webapp for selling your car online. A car has a lot of attributes. Like how many doors, color, aircondition, etc. Some of them are simple boolean values, others might need ...
3
votes
1answer
604 views

Outer Join vs Dummy Rows

I found that in a dimensional layout, it is beneficial to create a dummy row in the dimension to avoid writing LEFT OUTER from the fact table. There are other reason for this aside from perceived ...
1
vote
4answers
4k views

Can't create user in SQL Server

Hi guys when I try to create user for my database I always encounter this kind of error. This is the sequence of task I done. I manage to create new login using windows authentication of SQL then ...
0
votes
1answer
7k views

To drop a table, do I have to drop all foreign key constraints or can I just NOCHECK them?

I know you cannot drop a table that has active foreign key constraints. So I was wondering is it safe to: ALTER TABLE myTable NOCHECK CONSTRAINT all DROP TABLE myTable Rather than dropping the ...
2
votes
2answers
113 views

Index included columns

After running a fairly hefty query, the execution plan gave me a missing index suggestion which was of the form: (Timestamp) INCLUDE (CustomerID, EventID, ID, EmployeeID) Which seems to be a ...
1
vote
1answer
480 views

Set based solution to group multiple rows within a sequence

Using SQL Server 2008 and a set based solution, how could I manipulate the following data: GroupID Code StartSeq EndSeq StartDayNo EndDayNo 1755549 3506 0 0 59442 ...
3
votes
1answer
3k views

sql error 1241 operand should contain 1 column

This is my query select * from players where sport='football' and position='DEF' and pname!='Binoy Dalal' and pname not in (select ...
5
votes
1answer
2k views

Oracle extract slow function call from a WHERE clause

I have an oracle table in which dates are stored as the number of minutes since a specific date. It looks something like this: CREATE TABLE MY_TABLE ( SOMETHING NUMBER(15,1) NOT NULL, ...
3
votes
2answers
3k views

Query: All employee with sum of salary > 500

In my MYSQL Database COMPANY, I have a Table: Worker : mysql> DESC `Worker`; +--------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | ...
1
vote
2answers
1k views

Factoring out subselect (with clause) ends in ORA-00904

I am trying fo factor a repetitive subquery with with but getting ORA-00904 over and over again. This is my base query which works quite well: select tka.id, tka.name, txt.text as langname, ...
0
votes
1answer
100 views

Logging of incorrect row in SQL Server Integration Services

I newbie to SQL Server Integration Services and I have a problem: Data loaded from file looks like this: 1 'a' 'b' 2 'a' 'b' 1 'c' 'd' And this rows would be loaded in table like this: CREATE ...
1
vote
1answer
232 views

Query for localization app

Here are my tables: mysql> SELECT * FROM locale; +-----------+---------+ | locale_id | value | +-----------+---------+ | 1 | English | | 2 | Deutch | | 3 | French | ...
3
votes
3answers
790 views

How do I go about creating this SQL query?

I'm attending the free DB course at Stanford Online, and frankly one of the exercises gave me some trouble. I have a feeling that this should be horribly simple, so for a DBA, I'm obviously not very ...
0
votes
0answers
548 views

RAND in T-sql function

Can any one tell why t-sql not allowing using RAND function in side a function SELECT CAST (RAND() * 10000000 as varchar(20)) the error is Invalid use of a side-effecting operator 'rand' ...
1
vote
1answer
3k views

SQL Query Killed, remains in Kill/Rollback with estimated time increasing

I killed a transaction and now it remains in Killed/Rollback status and whenever I run Kill 64 with statusonly I get this output: SPID 64: transaction rollback in progress. Estimated rollback ...
1
vote
1answer
85 views

What is a proper way to handle a “sequence number” like field?

The fields of a trimmed-down version of a database I'm working with looks like this: Model Number, Model Name, Customer, Date, SeqNum The customer can purchase the exact same item on the same date ...
2
votes
2answers
316 views

INSERT succeeds but all inserted values become NULL

I tired to execute an insert directly from phpMyAdmin as follows: INSERT INTO oracle.PLAYLIST_MUSIC ( TID, ID, STATUS, CREATED_BY, ...
0
votes
2answers
2k views

How to select row and column name where field is null?

I wanted to show row and column where field is null. i already see this example here but i don't understand xml code. my code is like this if exists (select * from Header where [name] is Null ...
2
votes
1answer
323 views

Setting up simple question & answer database

I am having trouble thinking this (simple) table relation through. I am setting up a quick SQL DB to populate labels and textboxes dynamically on screens. This is just to prove we can do it, so it ...
4
votes
1answer
301 views

Is there a standard way to replace codes with values from a lookup table for reporting or analytics?

Suppose I have a "main" table that was probably heavily normalized and consists largely of columns that merely contain codes that are lookups into other tables (they are probably foreign keys but feel ...