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

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How to get SQLCMD to output errors and warnings only?

How can you get SQLCMD, when executing a SQL script file, to just output any errors or warnings it encounters? I essentially dont want information based messages to be output.
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2answers
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Access 2007 sql editor

Is there an ACCESS 2007 JET SQL editor or client (not sure the right term is) that can be used to code Access Jet SQL queries? It is very difficult to write SQL queries in ACCESS 2007 since it's like ...
0
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2answers
108 views

SQL and Multiple Indexes

Consider the following table: i | a | b | c -------------- 0 | 1 | 2 | 3 1 | 4 | 5 | 6 2 | 7 | 8 | 9 3 | x | y | z The table, in the end, will have several thousand rows, and even more columns then ...
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3answers
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SQL Server dates - can I get date and hour?

In SQL Server, can I do the equivalent of to_char(date_field, 'YYYY-MM-DD:HH24') in Oracle to get 2012-01-30:23?
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1answer
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Select DISTINCT records with extra information

I have a MS Access database full of customer names and addresses. I want to send out a mailing but only one per address. Therefore if there are 3 different customers at the address I want only one ...
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1answer
186 views

How to interpret explain sql?

SELECT DISTINCT TB.ID, TB.Latitude, TB.Longitude, 111151.293413 * SQRT( pow( - 6.185 - TB.Latitude, 2 ) + pow( 106.773 - TB.Longitude, 2 ) * 0.988392289802 ) AS Distance FROM `tablebusiness` AS TB ...
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2answers
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Is it possible to join derived tables to actual in Access 2007

Is it possible to join derived tables to actual tables in Access 2007 like in SQL Server 2008? I have an example below: SELECT * FROM --MyOtherTable is a "real" table MyOtherTable ...
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2answers
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CREATE INDEX for long columns

I am looking for alternative to create index on long column: create table line ( field_key integer not null, value varchar(4000), ... ); create index key_value_idx on line ...
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3answers
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When should indexes be dropped and recreated?

We are constructing a data warehouse that initially will be 1 TB and will grow around 20gigs every month. For certain tables we are doing daily ETL processes and others we are doing weekly/monthly. ...
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0answers
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SQL query optimization in Prestashop e-Commerce solution

I'm working on a layered navigation module within Prestashop e-Commerce solution. I'm trying to optimize a SQL query which creates a temp table during execution. I think this is creating a ...
1
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1answer
116 views

Is it possible to query “NOT IN” in NO SQL?

I asked the same thing about a specific NoSql engine (Big Table) on SO. It seems that Big Table doesn't support NOT IN queries? Is that possible in any other NoSQL databases? Will it ever be possible ...
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2answers
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How to manage a huge database?

We are building a service witch require a huge database. We are actually planning on getting more than 100 millions rows in our biggest table. So, what are the best options to store all this data in ...
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1answer
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Really slow DISTINCT ON query with multiple joins

Originally posted: http://stackoverflow.com/questions/11173717/expensive-query-on-select-distinct-with-multiple-inner-join-in-postgres The songs table has only about 4k rows, posts and stations have ...
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2answers
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Rounding of to nearest 10 rupee in SQL Server [closed]

I want round the amount to nearest rupee. I.e. if I got 225 as amount it must be treat as 230. And if 224 it must treat as 220. How can it be done using roundoff in T-SQL?
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1answer
722 views

How to avoid duplicating information in a series of nested SELECT statements?

I'm working on an SQL query that puts together customer history based on past purchases (the industry is venue ticketing). The report will be LARGE, something like 80-90 columns, with one column per ...
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1answer
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primary key, foreign key relationship between the department and employee tables How do I install? (sql_developer) [closed]

Employees table: Column names: EMPLOYEE_ID EMPLOYEE_NAME EMPLOYEE_LASTNAME JOB EMPLOYEE_BUSINESS_PHONE EMPLOYEE_GSM SALARY HIRE_DATE E_MAIL DEPARTMAN_NO NOTE: For this table EMPLOYEE_ID is ...
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5answers
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Why is the SELECT clause listed first? [closed]

I'm not sure if this question is on-topic - if not, feel free to close. Also, if it'd be a better question for another StackExchange site, I can ask it elsewhere. I was wondering why SQL places the ...
1
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1answer
805 views

Return a percentage of the full record set

I'm pulling back a list of orders but I need to only display a percentage of the records. for example we want the top 30 or top 50. The percentagbe is variable so I'd like to not use TOP. I tried ...
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2answers
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Slow ORDER BY with LIMIT

I have this query: SELECT * FROM location WHERE to_tsvector('simple',unaccent2("city")) @@ to_tsquery('simple',unaccent2('wroclaw')) order by displaycount I'm happy with it: "Sort ...
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1answer
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2 Very similar queries return different number of result (one is null)

I want to find businesses near a point that contain a word that start with sea lat=-6.185068&long=106.773121&keyword=sea&distance=5000&startfrom=0&howmany=20&prominent=5 ...
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1answer
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Why does MATCH (FullTextSearch) AGAINST ('*' IN BOOLEAN MODE) return nothing?

MATCH (FullTextSearch) AGAINST ('k*' IN BOOLEAN MODE) return something Namely anything with a word that start with k MATCH (FullTextSearch) AGAINST ('ku*' IN BOOLEAN MODE) return less MATCH ...
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2answers
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SQL to select random mix of rows fairly

Here's my problem: I have a set of tables in a database populated with data from a client that contains product information. In addition to the basic product information, there is also information ...
0
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1answer
306 views

MySQL Partition based on month-year

Is there a way that I can create a month-year partition on the below table? Without having to define all the permuations of month/year combos ? CREATE TABLE visitor_visits ( id int(10) UNSIGNED ...
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4answers
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Passing in the table into a stored procedure

Is it possible to pass in the name of a table into a stored procedure? For example, suppose you have several views of the same table. They all have the exact same structure. You want a store ...
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2answers
132 views

Very slow request with small difference

I use sqlite3 on a Mac Mini. I'm a Java and Web programmer, with some SQL experience, not as much as an expert. I have three requests. First and second are fast (0.2s), and the third is very slow ...
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1answer
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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 ...
3
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1answer
358 views

Microsoft SQL Server 2008 R2 Developer Edition Data Tuning Advisor tool

I have Microsoft SQL Server 2008 R2 Developer Edition installed on my machine which has Win7 64 bit OS. I am not able see Data Tuning Advisor tool in my SSMS. Before this installation my machine ...
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3answers
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Running total with count?

As the title suggests I need some help getting a running total in T-SQL. The problem is that the sum I need to do is the sum of a count: sum(count (distinct (customers))) Say if I ran the count ...
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2answers
256 views

SQL Trigger to verify account, if not verified dont process stored procedure/transactions

Is there a way to create a trigger or function to check a user against the database and if not verfied, the following stored procedure is not ran. I would like this option for verification check ...
3
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1answer
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Script to Restore/Create SQL Server 2000 Database from Another Database's Backup

I'm trying to create a database, NewClientDB, by restoring another database's, OldClientDB, backup, d:...oldclientdb.bak. I've always done this via SQL 2000 Enterprise Manager, but the GUI keeps ...
3
votes
3answers
668 views

This query is choking the server. How can I improve it?

Following query is hogging a lot of resources, as much as that the queries are getting locked down & CPU usage goes through the roof! The MySQL Processes list shows that as the number of requests ...
3
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1answer
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Create view in a different database with dynamic SQL

As part of a larger project I'm trying to create a new view on each database in a SQL Server instance. I've created a stored procedure that among other things is looping through the databases in ...
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3answers
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Restore one table from SQL Server data file (.mdf)

I stupidly deleted most of the contents of a table in my database. I have a backup of the server which has the .mdf on it. I assume I can make a new db and attach the backup .mdf. Then I can select ...
7
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1answer
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computed columns, index, clustered index and covering index?

We all know the we can only have one clustered view per table, cool. But apparently you don't have values of computed columns on leaf even when using a clustered index and they are computed each time. ...
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3answers
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SQL Server 2008 R2 High CPU

We are having a SQL Server R2 Web Edition database, based on Windows Server 2008 R2 with a strong CPU and 32GB RAM DDR3. Our database works very hard (we run around 600,000 queries in 1 minute) and ...
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1answer
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Thought CTEs were syntactic sugar

I was asked to test a change to a query, moving a Table Valued Function (TVF) into a CTE (non-recursive). My understanding was that each CTE reference is executed separately, so there was a ...
2
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1answer
803 views

Change in datatype?

I have a table on which rows are inserted on hourly basis. The row contains id, installation, product_id and hit_allowed. all of them were mediumint in the beginning. but few days back id reached it ...
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2answers
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Restore a Database into a Current Database and merge

I want to know how, or if it is possible, to backup a database then should the user wish, restore that database at a later date and merge it with the one they are currently using. Both Databases will ...
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2answers
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Which are the most often used SQL queries? [closed]

the question sounds pretty simple but I couldn't find anything on topic except for this article here. So is there any (even remotely) scientific (or at least accredited) opinion on the matter? The ...
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1answer
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SQL Server, remove all users' access right to a table object

As a clean up job, I am trying to remove all users' (including non public users) access right to a single table object (apart from superusers) and will subsequently grant new access rights. Is there a ...
4
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5answers
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Tempdb is getting full very quickly in microsoft sql server 2008

I am developing a log analyzer tool and After queering it and generating reports Tempdb is getting full very quickly . Is there any solution to clean the tempdb file in microsoft sql server 2008 on ...
0
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1answer
48 views

field with multiple foreign keys

I have researched this on my own but not really sure of the terms I should use and have not gotten far. Basically I'm trying to figure out how to implements tags for a table row. So if my table was ...
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1answer
967 views

Oracle - query by two column combination

I have two tables: product_table: ------------------------------------ product | market | category | other ------------------------------------ | | | ...
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1answer
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Combine column from multiple rows into one row in SQLITE

I have a sqlite-database with the schema Articles Id Name Tags Id Name ArticlesTags Id ArticleId TagId I´m trying to query for Articles.Name and a LIST of tags. Basically what I would want ...
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1answer
2k views

Full Text Search not searching special character

I am working on SQL Server 2008. I have created full text index on a Table(Column) and I am trying to find. SELECT * FROM TblName WHERE CONTAINS(ColName,'@#'); This is giving no results. But I ...
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3answers
579 views

Can a RDBMS connect to a remote server, execute a select query and copy them into a local table just with SQL commands?

I'm sorry it may sound stupid but I've been wondering about how multiple databases are automated before the virtualization era. Can a DB Adminsitrator make a stored procedure to get data from a remote ...
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2answers
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Convert Rows to columns using 'Pivot' in SQL Server when columns are string data type [duplicate]

I need to know whether 'pivot' in SQL Server can be used for converting rows to columns if there is no aggregate function to be used. I saw lot of examples with aggregate function only. My columns are ...
2
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3answers
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is id and phone number enough to uniquely identify a row in phone numbers

Was designing a table a customer_phone_numbers table a while back, which only purpose was to allow us to store as many phone numbers as a user wanted to have on file. I originally came to the ...
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1answer
139 views

SQl code performance

What measurement do you know if this sql code is efficient based on execution plans? How do you know if this sql code is efficient based on execution plans? SELECT [CustomerID], ...
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1answer
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difference of left join and left outer join

In SQL Server join syntax we can use LEFT JOIN or LEFT OUTER JOIN and query result with each of above join not difference. this is a question for me that which are more useful.