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
votes
2answers
308 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 ...
5
votes
3answers
142 views

Postgres is performing sequential scan instead of index scan

I have a table with about 10 million rows in it and an index on a date field. When I try and extract the unique values of the indexed field Postgres runs a sequential scan even though the result set ...
1
vote
1answer
482 views

Designing a High Score/Leaderboard table

I'm looking for input on how to design a highscore table for a game I'm creating. The database I'm using is postgres. That's not really something I can or want to change (unless there's very good ...
1
vote
2answers
55 views

Different way to do a LIKE WHERE condition? [on hold]

I have a query which works fine: SELECT month_date= month(SendTime) ,year_date =year(sendtime) ,MessageType ,COUNT(MessageType) AS MESSAGE_COUNT FROM Message WHERE ...
2
votes
2answers
915 views

Designing database with Category and Tags for Posts - Seeking for guidance/advice

I'm not really a database novice but I'm not an expert either. Problem: I'm having this difficulty on designing my Post, Category and Tags relationship. I've read Normalization many times but could ...
1
vote
1answer
27 views

Alter of stored procedure and execution performance

I would like to understand how an alter of a stored procedure without modifications can impact performance. I had a situation where a production environment had its database schema updated and a ...
-1
votes
2answers
31 views

Creating Stored Procedure with TableName as parameter

I am attempting to create a stored procedure where a table name is passed as a parameter, as well as updating contents of the table. Here is my code I have so far. ...
0
votes
1answer
18 views

Formatting a DATE type in an Oracle database to only accept MMDD

Is there a way to limit the inputs into a DATE type in an Oracle database to only accept inputs formatted with only the day and month (not including the year)?
-1
votes
0answers
5 views

SendObject Command

So I have sorted out alot of the problems with query etc. Is it possible to have a DoCommand Send object to send a report to the emails in the query. I need the report to be the one referenced in the ...
0
votes
0answers
6 views

ALTER SESSION from a Control File

I am using a Control File to import data from a CSV file into a table, using sqlldr to import the data, where a large number of fields are numeric values with integer and decimal part separated by ...
-2
votes
1answer
36 views

Recursive cte addition in SQL

I need to add the total value to the parent nodes.(totaling the total value to base to top levels). 118 records are there and 1-8 levels. Root ACCCODE='00001' Root ACCPARENTCODE='0' Eg: adding ...
0
votes
0answers
16 views

Getting TEXT data from postgres throught linked server to MSSQL

I'm using MSSQL 2008 R2 with linked server to postgres 9.4. My problem is: when I select column with data type text it shows me only XXX first chars and adds (...) on the end. select description from ...
-9
votes
1answer
47 views

Stored Procedure which INSERT, UPDATE, DELETE any table(for any table) where table name and its values are passed as parameter [on hold]

Stored procedure which performed operations like inserting data to table, updating data, and deleting data of table where table name is passed by parameter. Parameters of stored procedure: table name ...
2
votes
1answer
525 views

Slow Performance of Parametrized Query in Excel due to Parameter Datatype

I'm pulling Data from a SQL Server 2008 into Excel using a Parametrized ODBC Query created by the Excel Wizard. (Data-->getExternalData/FromOtherSources-->FromDataConnectionWizard-->ODBC DSN) My ...
0
votes
2answers
195 views

How to import into database when records contain multi-line data

I am setting up a new database and I want to import lots of data from multiple spreadsheet files. One of the fields in these documents contains an array of data, each item declared on seperate rows as ...
1
vote
2answers
44 views

Query of multi-valued field [on hold]

I have 2 tables: Contacts Helpers The Helper field (which is linked to the Helper table) in Contacts is a multi-valued field so more than one helper can be selected and displayed in a report. ...
3
votes
1answer
69 views

MySQL: UNION query to get a line for each date

Table1 DATE SKU QTY 2015-06-20 ABCD 3 2015-06-20 ABCD 1 2015-06-21 ABCD 5 2015-06-23 ABCD 2 2015-06-20 EFGH 1 2015-06-21 EFGH 3 Table2 DATE ...
1
vote
2answers
18 views

Select data where column value exists in seperate rows for same reference id

This is on a MySQL database. Locations have services. What I want is to get all results where service_id is 2 AND 3, not OR so using IN is out I believe. Database ---------------------------- | ...
2
votes
1answer
629 views

How to allow connections to SQL Server with 2 differents ip

I have a small issue here: I have a SQL Server instance 2012 (let's call it INSTANCE) on a cluster. I also have 2 network interfaces for this instance: SQLINSTANCE.my.metwork ...
2
votes
1answer
24 views

table structure for events

Got a bit stuck, need a hand. I need to store events at the database, and events may happen at different location multiple locations at the same time so these are my tables CREATE TABLE ...
1
vote
1answer
125 views

how to group data against more than one conditions

I have a table named Employees with below two columns. ================== Employees 1- EmpId (auto incremental id) 2- EmpName (varchar) There is another table named 'LateDays' with below five ...
0
votes
3answers
448 views

Mysql - How to Optimize Retrieval Time in a Table

I have query like this! which has 200 million Records in a single table.. I am using BTree Indexes in my table... mysql> select COUNT(DISTINCT id) from [tablename] where [columname] >=3; ...
0
votes
1answer
239 views

Data Analysis with MongoDB or MySQL

I have a need for processing some data in order to come up with some statistic. This is the scenario: Each user can answer several questions from the question list. They pick their answers from a ...
4
votes
1answer
98 views

Find rows where data resets

So I have a table tbl where I'm trying to pull data that increments at a variable rate. I need to identify when the data resets so I can make a cumulative value. Here's an example table: ID VAL ...
-4
votes
0answers
18 views

SQLPLUS QUERY HELP

Please help to create what might be a simple query for you; very tricky for me. Maybe a nested query?... or maybe a "For Loop". Thank you! Table name: WO_OPERATION Relevant Columns: ...
-5
votes
0answers
33 views

Why isn't my query returning the correct results? [on hold]

I am trying to get information from several tables that I need in order to produce a report of all the stopped services on our critical servers. This query for some reason works if you switch the ...
3
votes
1answer
17 views

How to change location of SQL Server 2012 database which is already configured with a merge replication

I have SQL Server 2012 configured with merge replication. currently the location of the replication database and the .mdf and .ldf files reside in C:\ drive. The C:\ drive is now full due to that ...
2
votes
1answer
2k views

Extract MySQL information from a compressed tar.gz file

I have a back up-of a MySQL database which is contained in a .tar.gz file - I need to restore it. I've never had to do this before. The only way I can access the database is through phpmyadmin. There ...
4
votes
2answers
123 views

Reseed identity column in all empty tables [duplicate]

I need to write a query that resets the identity on all tables that have an identity column and are empty.
0
votes
0answers
7 views

Why are some of my migrated tables showing “The given key was not present in the dictionary” in WebMatrix's interface?

I'm having an issue while using the SQL Server Migration tool to convert Access accdbs into SQL Server 2014 Express. I am converting the tables using SQL Server Migration Tool and I have a connection ...
1
vote
1answer
1k views

SQL Server 2005: Integration Services Stored Packages is empty. Why?

I am trying to import, export SSIS packages. I know they are there. When I query msdb.dbo.sysdtspackages90 I get 22 packages. But when I connect to Integration Services on the server, the stored ...
2
votes
3answers
27k views

Oracle password has expired, however I have no way of changing it

When I connect to my local development database, I get an error saying the password has expired. I've been trying to change it with sqlplus to no avail: C:\>sqlplus ...
1
vote
4answers
65 views

SQL retrieve last elements of table using group by like behaviour

I am trying without success to retrieve the last version of all articles in a table. The table structure: CREATE TABLE `journalarticle` ( `uuid_` varchar(75) DEFAULT NULL, `articleId` ...
1
vote
1answer
29 views

Order By with duration strings having time units

I have a SQLite database with a table "Rate" who has a column "timeToMaturity". This column contains strings such as : 7Months 26Days 3Years I'd like to order a query results by timeToMaturity ...
3
votes
2answers
87 views

check when last backup was taken

Brent Ozar had an interesing newsletter on 2015-06-22; How do you manage dbas measuring backups, where he thinks that a good DBA should check when the last backup was done it was last restored ...
3
votes
3answers
140 views

INSERT/UPDATE in same query from previous SELECT with some singularities

I'm trying to perform a INSERT|UPDATE by selecting data from another DB and this is what I have so far: INSERT INTO pdone.reps (veeva_rep_id,display_name,username,`first`,`last`,email) SELECT ...
0
votes
2answers
58 views

Is it sensible for a web app to log every DB command? [on hold]

Trying to figure out what my web app should log. From a security perspective and a storage perspective, does it make sense for it to log every SQL DB command? If not, what should it log?
4
votes
2answers
3k views

Query across multiple schemas, unknown until execution time

I have multiple schemas that I need to query across. The schemas are not known in advance, for example: U111 U222 U333 I need to select across these three schemas from a specific table in each of ...
-2
votes
0answers
13 views

Updating data from one database to another [on hold]

I have two database, PLAYEMASRTL and TmsEPly, I need to update the former with information from the latter. I am currently trying to use this update statement but am running into a lot of invalid ...
3
votes
3answers
153 views

Make a column for each count(*) in a day of the week

I have a table of people who are doing piece work. Every entry in the table has a user-ID, name, and a Date for each report they enter. I need to make a weekly report of what these people have done ...
0
votes
1answer
28 views

Query Access Question

With one table tblBids containing BidId field with the relationship bidID has multiple contractors from tblContractors, I am trying to create a query which will list each contractor and email address ...
0
votes
3answers
90 views

Is it better to use an ID (int) or a Name (varchar) as PK for a table? [on hold]

Let's suppose I have an ORDERS_LINE table and a PRODUCT table and the ORDERS_LINE table must have the information of which product was ordered. I prefer to use a Primary Key based on the Name since it ...
0
votes
1answer
163 views

Connect by prior - multiple fields and query efficiency

I have 2 tables one of which defines the hierarchy for the other equipment id desc 1 item1 2 item2 3 item3 4 item4 5 item5 6 item6 7 item7 8 item8 ...
0
votes
2answers
56 views

Would like to know why this query is behaving this way?

I have an emp table, with schema and some initial values like below: emp_id | name | last_name | role_id --------+------+-----------+--------- 1 | hell | bell | 1 2 | well | ...
0
votes
0answers
21 views

Object refernce not set… Maintenance plans SQL server 2012

I need to perform a backup but while executing the existing maintenance plan, I recieve the following error message (also after creating new maintenance plan): Object reference not set to an ...
0
votes
0answers
89 views

Datediff with many dates causes poor performance?

I am a system programmer and entered the forum to understand a little more of the database. Currently I picked a query with a lot of data and I had to check there is a gap between today's date and the ...
12
votes
2answers
166 views

What programming language is this?

:#PCA=Campaign//CampId//CampDesc//CampBusId = 2 :#PE=PubEdition//EdId//EdCode//EdCampId = :#PCA :#PCT=ContactType//ContTypeCd//ContTypeDesc//ContTypeUsrId in (21, 25) ...
1
vote
1answer
16 views

update query field order guaranteed

Is an UPDATE query in MySQL guaranteed to execute the field updates in order that are presented? e.g. UPDATE `table` SET `first_to_update` = `second_field`, `second_field` = `third_field`, ...
1
vote
2answers
124 views

Is unique index better than unique constraint when an index with an operator class is required

Postgres docs say: The use of indexes to enforce unique constraints could be considered an implementation detail that should not be accessed directly. One should, however, be aware that there's ...
0
votes
2answers
44 views

SQL Server Database recovery from corrupt database [on hold]

Last week I backed up my SQL Server by using Backup Exec 2012. I named the file "SQL Server BAK" which contained copies of my SQL Server databases. A few days ago I lost some part of my data due to ...