2
votes
3answers
619 views

Many to many link tables with history? [closed]

While creating a PostgreSQL database of customer subscribed services with DNS domains, I want to: enable customers to subscribe to multiple services each service can have multiple domain names per ...
0
votes
1answer
4k views

Oracle 11g Enterprise downgrade to Standard One

I'm checking possibilty of downgrade Oracle 11g from Enterpise Edition to Standard One edition. I've cross-checked edition comparison with select name from dba_feature_usage_statistics where ...
0
votes
1answer
284 views

Get unmatched rows for foreign key

Consider two tables: CREATE TABLE Users( id INT PRIMARY KEY, name VARCHAR(128) ) Engine=InnoDB CREATE TABLE Tags( id INT PRIMARY KEY, user REFERENCES Users(id), tag VARCHAR(128) ) ...
3
votes
1answer
629 views

Oracle Datapump: modify fully qualified objects when cloning a schema

I am confronted with a problem for which I have not found an elegant solution: I need to clone a schema within the same database, so I use datapump's remap_schema import parameter. The problem is ...
0
votes
3answers
13k views

Cant see SQL Server Agent in SSMS [duplicate]

I have SSMS 2012 installed on my laptop, and SQL Server 2012 on my hosting, but when i try to schedule a sql job i didn't find "SQL Server Agent" in the left side list!!?
0
votes
1answer
4k views

How to get performance benefits from a view vs subquery?

I'd like to know how/if anyone has gained significant performance benefits from using views instead of subqueries. I would prefer not to define a specific case, since I'm trying to establish good ...
0
votes
1answer
250 views

How to minimize the need for recalculating index on SQL Server?

We have rather big tables (500 mils rows) where we expect frequent inserts. The tables have approx. 2 indexes each. The problem is that we are afraid that, when the index is recalculating the whole ...
1
vote
2answers
57 views

Decode everything that is not defined as 'internal' or 'Web' to 'external' (oracle)

I'm trying to decode a columns with about 30 different possible values down to 3 values. I want the decoded value to be "internal" if the original value is "Interal KS & others", or "Web" if the ...
1
vote
0answers
232 views

What is the most efficient way to create new MySQL database

I need to setup a development environment for several developers. Each of them needs to test the software with a "fresh" MySQL database. There is a SQL file with many CREATE, ALTER and INSERT queries. ...
5
votes
7answers
3k views

How to store schema-less data efficiently in a relational database?

I'm trying to get a nice balance of searchability and speed. I'm experimenting with different methods. Option 1: Serialize the array as JSON/PHP serialized array and store it in a 'meta' column. ...
-1
votes
1answer
443 views

Inserting dates before year 1950 in Oracle

How can I insert date which is before 1950? update up_sif.tb_person set dateB =to_date('18.10.1949','DD.MM.YYYY') where ID = '123345'; It keeps update with date 18.19.2049. Any ideas?
3
votes
3answers
722 views

Import CSV file into Mysql with Multiple Delimiters/Field Separators

I'm trying to import a large csv file into Mysql. Unfortunately, the data within the file is separated both by spaces and tabs. As a result, whenever I load the data into my table, I end up with ...
1
vote
2answers
445 views

Bi-directional synchronization between local SQL Server 2005 and a SQL Azure using SQL Data Sync

I need to synchronize an Sql Server 2005 database in an SQL Azure database. In other posts I've read that I can do this using Sql Data Sync but I don't know if SQL Data Sync can make the ...
0
votes
1answer
23k views

How to move csv file into oracle database using sql developer? [closed]

How to move csv file into oracle database without creating table firstly using sql developer rather than sql loader?
0
votes
1answer
169 views

Which string variables in mysql support utf-8?

I have a table that stores string from a user and is displayed in a web form. But as I see when the user inputs e.g. in a language of cyrilic alphabet (I assume is UTF-8) garbage are displayed back. I ...
1
vote
2answers
149 views

Two possibilities of primary key

I have a table: all_info, where it holds the users identification. This id can be of two types (just one or another, never both), suppose: int and varchar, but one table can't have two primary keys, ...
0
votes
1answer
3k views

Oracle: how to set only some roles as not default for a user (no GUI)

Scenario: I have instanceA I have instanceB I have USER1 in instanceA I have USER1 in instanceB USER1 in instancA has four roles grante to it: ROLE1 default yes admin_option no ROLE2 default false ...
1
vote
2answers
297 views

Curious About SQL Server Registry Entries

I'm working on building some documentation across my systems and planned on simply using Powershell to script out the legwork of what I wanted to do. While that's going all well and good, I ran into ...
7
votes
0answers
289 views

Dropped index from view still referenced in execution plans [closed]

On a SQL Server 2005 Enterprise edition server, an index has been dropped from a view. When running a select * query that includes this view, no results are shown. In addition, the execution plan ...
0
votes
1answer
175 views

Review my simple database tables

Hey trying to create a simple database table for a small beer review project, it been awhile since i have created db's so could anyone just tell me if i am totally wrong here? Especially my use of ...
1
vote
1answer
2k views

UPDATE SET REPLACE() matches but does not change

I've seen another post about this exact thing but it's 1-1/2 years old so I thought I'd make my own...besides, the other post did not help me. What I am trying to do is pretty straight-forward. To ...
13
votes
2answers
64k views

Max Connection Pool capped at 100

I'm running SQL Server 2008 R2 SP1, on a Windows Server 2008 box. I have a .NET script running from Visual Studio 2010 that does the following: Reaches into the database Makes a change Iterates ...
5
votes
2answers
17k views

How to script all permissions on a schema

SQL management studio allows to create scripts for all db objects, however I so far couldn't find a way to correctly script a schema or user. The permissions of a user on a schema are not included in ...
2
votes
1answer
363 views

Data Model: Parent, Child, Grandchild with Child Being Optional

I posted the question in another forum and I was suggested to re-post it here which may be more appropriate. Thank you in advance. My organization structure:    Department -- has ...
2
votes
2answers
3k views

Importing Multipe Trace Files To A SQL Server Table

I am in the process of importing 200+ trace files (which are massive), and my current approach is to perform a loop and insert the trace data (see the below script). I looked around to see if there ...
2
votes
2answers
2k views

How to restrict users to select only query through application textbox field?

Say that I have a web application that lets users to type in a SQL query (SQL Server 2008+). I want users to be able to run any SELECT query and read whatever is in the database, but I do not want ...
2
votes
2answers
3k views

SQL Server 2008 upgrade to SQL Server 2012 on a cluster

I have a Windows 2008R2 2 node cluster with SQL Server 2008 clustered. How do I prevent the cluster from failing over while I am applying the SQL Server 2012 to the alternate node first? Any pointers ...
1
vote
1answer
2k views

Mysql Performance tuning for myisam tables.

Folks I have a 4-core MySQL server with 4 GB of RAM, holding 19 MyISAM tables (total: ~164GB of data) and 32 innodb tables ( 5mb ) and we use it to process CDR files( basically call detail records ...
0
votes
1answer
4k views

SQL Server 2008 R2 Drops Connections when Anti-Virus Scan is running

I have a SQL Server 2008 R2 Enterprise (SP2) cluster (2 nodes Windows Server 2008 R2 SP1, NetApp Shared storage). There are 5 instances all running on this cluster in an active passive configuration ...
-3
votes
1answer
385 views

I am trying to import a file but it gives me exception : ORA-20001: Invalid Operation. while calling a stored procedure, how can i solve this [closed]

I am trying to import a file , but while calling the procedure i get an exception ORA-20001: Invalid Operation. Stored Procedure: begin -- Call the procedure imp_pkg.isinmstimp(cpath => ...
0
votes
1answer
74 views

How to treat a row as a table

I have two tables with the following structures: CREATE TABLE USERS ( USERID VARCHAR2, USERNAME VARCHAR2 ); CREATE TABLE CONFIRMATIONS ( PERSONELID NUMBER, ACCOUNTING VARCHAR2, FINANCE ...
1
vote
1answer
455 views

MySQL select by primary key against 100M of records within 30ms

I have no expirience with MySQL and database performance tuning in general. Wondering whether it is possible to perform a large number of selects against 100 millions of records by primary key within ...
1
vote
1answer
92 views

Mysql, sql server, oracle tables get too large [closed]

I hear a lot about things that, it is a lot cheaper to buy new harddisk than pay staff to come up with genius ideas how to save resources. But what I don't understand, is how these databases handle a ...
0
votes
0answers
431 views

MySQL stops responding (at almost regular intervals)

Using mysqld (latest xampp version). My.ini port= 3306 socket = "D:/xampp/mysql/mysql.sock" basedir = "D:/xampp/mysql" tmpdir = "D:/xampp/tmp" datadir = "D:/xampp/mysql/data" pid_file = "mysql.pid" ...
3
votes
4answers
6k views

How can I recover my tables in sql server database [duplicate]

I deleted 3 tables from my database with data and I have no backup. How can I restore tables with data in my database ? How can I restore tables and data with database log file?(Database recovery ...
0
votes
1answer
117 views

mysql's query cache behaviour on LIMIT

Is it accurate to assume that MySQL's query cache gets checked on subsequent execution of queries in the form SELECT ... WHERE ... LIMIT x, y where the the only varying paramaters in the query are x ...
1
vote
1answer
862 views

Run a program on a remote computer after a SQL job has completed

We have a SQL Agent Job that performs a few tasks every night (schedulled to run using SQL Agent). The database server is SQL 2012 if that makes a difference. We have another process (a .net program) ...
0
votes
0answers
48 views

Seeing recompiles when changed AUTO_UPDATE_STATISTICS to OFF

The reasons why proc cache is flushed are listed here http://msdn.microsoft.com/en-us/library/bb522682.aspx, and AUTO_UPDATE_STATISTICS is not this list. So I changed this option to OFF on production ...
2
votes
1answer
357 views

Help designing tables for storing lab test results: values include numbers, <number, >number

We're using MySQL 5.5 and attempting to design tables to store the results from tests run in a lab. The results of some of the tests can be either a plain number, e.g. "5", or a range such as "< 5" ...
2
votes
1answer
1k views

How to optimize a query that includes counts of rows in multiple tables?

My query looks like this: EXPLAIN SELECT ... FROM USER u LEFT OUTER JOIN (SELECT COUNT(*) notified_count, user_id FROM user_email_tracking ON u.id = email_tracking WHERE email_type_id = 4 ...
2
votes
1answer
1k views

TempDB on Solid State Drives on SQL Server Cluster

Can solid state drives be used for the TempDB on a SQL Server failover cluster if they are local drive on both machines? It is supported in 2012 but our cluster is a SQL 2005. The application that it ...
8
votes
2answers
3k views

Create new database with large initial size

I want to create a new database with a 200GB data file (.mdf) and 50GB log file (.ldf). But it is very slow (it's about 15 minutes and still hasn't created). and it is very time consuming. Is that ...
0
votes
0answers
48 views

Is DBCA in Oracle for a single database or the entire system?

I ask this because I was going to create a simple phone list database for learning. But when I used dbca, I was asked did I want to install the sample databases, HR, etc. It also had the default ...
1
vote
1answer
4k views

How to completely remove EnterpriseDB Installation of Postgresql on Ubuntu?

All, I'm trying to install/run PostgreSQL 9.3, but am receiving a multitude of errors which seem to point to a failed installation of postgresql from the enterpriseDB package. For example, trying to ...
3
votes
0answers
177 views

SQL Server 2012 Resource Governor and memory used by CLR

In SQL 2012 memory used by CLR is now part of what is controlled by "MAX Server Memory" a) Does Resource Governor in SQL 2012 Enterprise (MAX_MEMORY_PERCENT for resource pool) governs CLR memory? ...
0
votes
1answer
43 views

How to determine which `Foos` have no associated `Bars` [duplicate]

I want to find all Foos that do not have any associated Bars. Here's the query I'm using. It's returning no records: select * from foos f where f.id not in(select b.foo_id from bars b); However, ...
1
vote
1answer
4k views

mysql match against boolean mode

I'm using MATCH AGAINST in boolean mode to add a simple search functionality to my site. The column to be searched is varchar, with no full text index. The column value can be alphanumeric, all ...
1
vote
0answers
53 views

Optimizing a query using derived tables [duplicate]

As part of a daily cron job, I need to run a query that processes a whole lot of data. This data is related to the visitors coming to a website, and updating the data with what we have captured ...
0
votes
1answer
869 views

Oracle GoldenGate add trandata errors

I am trying to add trandata to GoldenGate from SQL Server 2008 r2. I am getting an error stating . ODBC error: SQLSTATE 01000 native database error 16954. [Microsoft][SQL Server Native Client ...
1
vote
2answers
476 views

Error deleting FileTable - HRESULT = '0x80070490'

When trying to delete a FileTable, the following error occurs: Message 33405, Level 16, State 7, Line 1 Error during operation on an object table Discard FileTable. (HRESULT = '0 x80070490 ').

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