0
votes
2answers
442 views

how to use trigger to make SQL Job's step success or fail

Step 1. Call a script to trigger application process. When the application process start, it will insert a record to a specific table. And once the process ends, that record will be deleted from table....
0
votes
0answers
295 views

count rows with same value and get column from other table

I'm trying to count product numbers for a period of time there are three tables. invoice (table) Column Column ------------------------------------------- |invoicenumber ...
1
vote
1answer
115 views

How to insert the gathered dates into another table using INSERT SELECT in MySQL?

insert into rfdate (date) select adddate('1970-01-01',t4*10000 + t3*1000 + t2*100 + t1*10 + t0) selected_date from (select 0 t0 union select 1 union select 2 union select 3 union select 4 union select ...
3
votes
1answer
2k views

How to use a group by in inner join

I have Two tables: Table 1 ID totalamount --- ----------- 100 1000 101 500 Table 2 ID Individualamount --- ---------------- 100 500 100 300 100 100 101 200 101 300 I Need a result ...
2
votes
1answer
2k views

Error message when importing data into SQL (Import & Export Data Wizard)

I am trying to use the Import & Export Data Wizard to import the contents of a CSV file into a table in MSSQL. I have no issues if I import all columns as strings however, I need one column to be ...
0
votes
1answer
96 views

What is held in memory during the life of a CTE?

Assuming a multi-read/multi-write CTE, what exactly is held in memory during the life of the statement? Is all data except RETURNING data discarded at the end of each sub-statement?
2
votes
1answer
816 views

Can PostgreSQL use multiple partial indexes per query?

I have read that PostgreSQL can use multiple indexes in general, but in the specific case of a query that ranges across two indexes, will it use both? If so, will they be loaded sequentially or ...
3
votes
1answer
409 views

Will SSDT publish always fail with “Data Loss May Occur” when table is rebuilt?

Consider the following scenario: We have a SSDT database project. We add a new column to the middle of a table. This forces the database project to rebuild the table in order to deploy the change. ...
0
votes
3answers
56 views

GROUPING BY multiple columns/reqs

Say I have the following table: | type | date | count | +-------------+--------------+-------------+ | cat | 2014-2-5 | 2 | | horse | 2014-2-7 | ...
0
votes
1answer
37 views

Update multiple meta_value with single query

Here is a similar structure of a table that I am working on. |--ID--|--user_id--|--meta_key---|--meta_value--| |--1 --|--444444---|--first_name-|------NULL----| |--2 --|--444444---|--last_name--|-----...
0
votes
1answer
226 views

HAVING ANY in Postgres

I'm looking for the right syntax to filter groups (i.e. groups of rows that have been GROUP BY'd) where at least one row fits a certain condition. For example if I wanted to select a group where at ...
1
vote
0answers
105 views

MySQL - Cannot add new Foreign Key [closed]

I'm using magento and it does some re-index for a product flat table structure. In this process a new table is created. The SQL for that table is something like: CREATE TABLE `...
1
vote
0answers
236 views

Replicating Multiple SQL Servers to Azure and Accessing From Web Apps

I am setting up quite a large system with multiple servers (MS SQL Server), and Office 365 Access DB, and a custom SharePoint web app for reporting purposes. The system should work as follows: Each ...
3
votes
0answers
418 views

Slow transactions, many locks

At high load conditions the server app stops responding to client because begin/commit statements are executing very slowly (some take 15 seconds). The queries are simple - insert, update two columns ...
11
votes
1answer
266 views

stats_column_id and index_column_id do not update with physical order of clustered index is changed

Unless I'm misunderstanding the purpose of the column, the following code indicates that a change of the structure of the clustered index does not change the ordinal position (stats_column_id)of the ...
1
vote
1answer
871 views

invalid memory alloc request size on simple query with array_agg on Postgres 9.3

Postgresql 9.3 - Debian 7 54gb RAM 8 cores (On google compute engine) I have a huge table called search_token (~50M rows) and I'm trying to execute a very simple query that is: select array_agg(st....
4
votes
0answers
153 views

Migrating VLDB to AlwaysON AG

I have been using AlwaysON AG for a long time now and currently have about 10TB of data across 120 databases and 3 AG groups for any application that is on SQL 2012 with great success. Each AG group ...
0
votes
0answers
16 views

Issues with using a database snapshot to report off of production [duplicate]

Has anyone used a database snapshot to allow reports to be run off of a production environment? I'm currently evaluating whether this is a good idea, however, it seems like since the database snapshot ...
3
votes
1answer
352 views

Is a clustered index on a child table in a parent/child relationship the most optimal index?

A clustered index will sort row data in a table according to the ordering of the fields in the index. If so, why would you (or would you not) want to create a clustered index on the child table in a ...
0
votes
2answers
48 views

Is it a good idea to add a reserved field to a large MySQL table?

As you may know adding a new column to a MySQL table with millions of records is hard and in some cases impossible. Is it a good idea to add a text column to each table (say, meta) to save some ...
1
vote
0answers
4k views

TNS-01190: The user is not authorized to execute the requested listener command

Oracle 11g Release 2 Oracle Linux Enterprise 5.10 [oracle@dub-ImrORA3 scripts]$ id oracle uid=502(oracle) gid=502(oinstall) groups=502(oinstall),503(dba),504(oper) context=user_u:system_r:...
0
votes
0answers
326 views

Issues Setting Up SQL Server - Multi Server environment

I am trying to Configure the Master target server / Multi server environment in Sql Server 2012. I changed : MSXENCryptChannnelOptions-->Changed from 2 to 0 AllowDownloadedJobsToMatchProxyName - ...
0
votes
0answers
215 views

Why only ~half of RAM is used by Oracle on Linux server?

Why Oracle 11.2 would be using only around half of available RAM on RHEL5 box? I have 64GB but 32GB is free which really annoys me. Any memory not used is wasted memory in my books - especially on ...
0
votes
1answer
31 views

Insert where not already available for FK?

I'm looking for a simpler way to do this as I'm clearly thinking like a developer instead of a DBA. How would a DBA tackle this? I have a table with 3 column: PK, Name, FK. PK Name FK 1 ...
1
vote
2answers
1k views

Improve performance of converting a large xml file (~300 MB) to relational table in SQL Server

So this is what I have so far: --Read xml content into a XML data type variable DECLARE @FileData XML SELECT @FileData = CONVERT(XML, BulkColumn) FROM OPENROWSET(BULK '\\file_path\test.xml', ...
0
votes
1answer
1k views

Spool in Shell script not working for me

#!/bin/sh echo "Started at" `date +%Y/%m/%d" "%H:%M:%S` sqlplus -s ${ORA_LOGIN_SYSADM} <<EOF 2>&1 > /dev/null SET SERVEROUTPUT ON SET FEED OFF spool ech.txt create BEGIN DBMS_OUTPUT....
1
vote
0answers
252 views

Rebuild/Re-organize index and Update statistics in SQL server

For many of the sql servers we have seen that the SQL agent Maintenance job first runs the re-indexing and later as a second step it update stats with full scan. I want to figure out if auto update ...
1
vote
0answers
110 views

Removing Orphan Pull merge replication subscriptions

I have a merge replication set where I have removed one of the pulled subscriptions. On the subscriber the subscription shows up after deletion. It will not go away. I tried the methods provided on ...
0
votes
0answers
77 views

How to get max value of a column for a second column

I have this code which produces the following result but I want to get the week_day for every customer with highest count. So instead of two or more rows with customer_id, I want one row with week_day ...
1
vote
2answers
485 views

Best DR strategy for MS SQL Failover Cluster [closed]

I have... 2 database servers 1 shared SAN storage 2 MSSQL 2012R2 (Standard) server instances (2 SQL Failover Cluster) Server A is the primary node for SQL Instance A Server B is the primary node for ...
1
vote
1answer
17k views

Conversion failed when converting the nvarchar value '0.000000' to data type int

I have a code select CONVERT(NUMERIC, CASE ISNULL(FLEXFIELD4,'') WHEN '' THEN 0 ELSE FLEXFIELD4 END ) FROM DEIT_INDENT_DTL_INBOUND_RXL WHERE IND_INDENT_NO='NEE15SR000003' which is ...
6
votes
4answers
2k views

Are deadlocks a serious problem? [closed]

I have a few production SQL Server instances and I get around 100 deadlock alert emails a day (up to 100 for one server, 150 in total). Is this a problem I should investigate? How many deadlocks are ...
0
votes
1answer
19 views

privilages system table in postgres

Is it possible to know all the tables a user has access to using a single query? I tried with pg_role and pg_user with no luck. Can anyone tell me about a system table which has the data of all the ...
1
vote
2answers
386 views

Count values from one table using two columns in another table

I have a problem. I have table_1 (col1, col2, value) and table_2 (col1, col2). I want to count values from table_1 but only the rows which exist in table_2. In both tables col1 and col2 are key (not ...
0
votes
0answers
14 views

Exception handler on multiple row insert PostgreSQL [duplicate]

I'm trying to create a function which inserts rows from one database table to another, this is the part of the function which goes wrong: BEGIN INSERT INTO suppliers("id","name", "url", "logo", "...
1
vote
1answer
365 views

Does the length of the index name have any performance impact?

This may seem silly, but in trying to stick to my standard nomenclature when naming indexes in our DB, the latest one was a little lengthy, and like all things DB I wondered if it in any way could ...
2
votes
2answers
3k views

Should login id and password be stored in separate table

I am working on my academic project. I have a table for employee records which have employee id, joining date, designation and other fields. I am trying to implement a scheme in which when record of ...
0
votes
1answer
50 views

Help with relational database design

I have a data model where each user profile belongs to a department. Each job is also available for a specific department. The department names are formatted like this: AAA-BBB-CCC-DDD-EEE, but of ...
-1
votes
1answer
2k views

use variable as column name in where clause in sql

I want to use a variable as column name in my SQL query. Problem: I can not use dynamic SQL as the SQL query that I have is inside of a user defined inline table function. What are other possible ...
2
votes
1answer
688 views

How to change the owner of a Stored Procedure in DB2?

Let's say that I have a procedure called schema.proc1. How do I change the owner of it? I'm using db2 express-c 10.5 I've tried the following command running as the olduser, transfer ownership of ...
0
votes
1answer
79 views

Oracle 10 RAC VIP returns non-VIP address for client

I am not a DB or even Oracle expert, but I wanted to understand when and why Oracle returns a different non-VIP address to the client, assuming this is correct behaviour? listener.ora LISTENER_DB-A =...
3
votes
2answers
83 views

Slow queries on production Server

I am a developer who has been asked to look at a database slowness issue. I have had a look at the waits on the server and retrieved the following using a query from Red Gate's wait stats white paper. ...
2
votes
0answers
168 views

Why does shrinking the transaction log generate lots of log (LOP_SHRINK_NOOP) and not shrink the log?

I just tried shrinking an overly big log file (FULL recovery model). This operation is not expected to always succeed and indeed the log was not shrunk. But I observed that a lot of new log was ...
0
votes
1answer
120 views

How to set up an SQL Server authentication login for a database instead of using Windows Authentication

Not sure what I am doing wrong so I have included the parameters I used which I used the existing login and this article for reference: http://itproguru.com/expert/2014/09/how-to-fix-login-failed-for-...
0
votes
0answers
92 views

Query gives not result

I have a quite simple table with different values. When I search a specific column no results are given. What could be the error? For example I search for an "id": db=# select * from table where id =...
1
vote
1answer
167 views

How to include a where clause in a query from another column

I have two tables: pointer_table(col_name varchar, col_val varchar, wh_clause varchar) value_table(col_1 varchar, col_2 varchar, value varchar) col_name in pointer_table denotes the column in ...
0
votes
1answer
210 views

DB2 big strange problem - database is returned to CIRCULAR mode but archive logs keep coming to old archive location

my DB2 database (v 9.7) is in Circular mode. Current Logging Type:Circular (USEREXIT) = OFF (LOGRETAIN) = OFF (LOGARCHMETH1) = OFF (LOGARCHMETH2) = OFF (LOGPRIMARY) = 10 (LOGSECOND) = 10 Path to log ...
4
votes
1answer
10k views

How to grant permissions on a table-valued function

Am I doing it right...? I have a function that returns money... CREATE FUNCTION functionName( @a_principal money, @a_from_date datetime, @a_to_date datetime, @a_rate float ) RETURNS money AS ...
0
votes
1answer
103 views

Database Change Management

What are ways in which teams handle database change management? I have a team of 8 developers making database changes concurrently. Each developer is responsible for updating their changes in what we ...
0
votes
0answers
117 views

Sleeping queries blocking rebuild index and update statistics job in Always on

At one of your client sides we have configured Always on with synchronous mode.Also we have schedule rebuild index and update statistics job which runs in night every alternate day. the issue is ...

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