1
vote
1answer
221 views

MySQLSyntaxErrorException on ALTER TABLE … CONVERT TO … in MySQL Connector/J

Running Ubuntu 14.04 with mysql-connector-java-5.1.28 installed. Let's create a table: CREATE TABLE mytable (value1 VARCHAR(32000), value2 TEXT, value3 VARCHAR(1000), value4 VARCHAR(32000)) ...
1
vote
3answers
713 views

Block user access to certain tables

DBMS allows the admin to grant table access to a user using something like: GRANT ALL ON mydb.mytbl1, mydb.mytbl2 TO 'someuser'@'somehost'; However, is it possible to grant all tables to a user and ...
0
votes
1answer
78 views

SQL Server - Is it possible to forbid creation of default constraint name?

I was having a looking on this article about default constraints and I have a question. Is there a configuration in SQL Server 2008 that forbid naming creation of new default constraints declared ...
3
votes
1answer
359 views

Row Level security or Multiple Tables

Im looking for documentation on best practices for the following scenario. A hosted application contains some "global" data and some "Per-tenant" data. A "Tenant" should have no access to another ...
2
votes
0answers
149 views

Is it recommended to have redundant foreign key columns?

Imagine I have the models A, B, C e D, where A have many Bs, B have many Cs and C have manyDs: Without redundance A | id | ... | ------------ | ... | ... | B | id | a_id | ... | ...
0
votes
1answer
76 views

Using existing SQL Server credentials for log shipping reporting purposes

I have set up log shipping, but I don't see how I can reset orphaned SQL Server credentials on the destination server as databases are in standby/read-only mode. I am getting push-back on ...
0
votes
1answer
88 views

Is there a way to enumerate all locks that are currently being held via get_lock()?

I'm not seeing a way to list all locks currently being held by get_lock. I see you can check is_free if you know the name and release as well. I don't see an obvious function or infomration_schema ...
0
votes
1answer
628 views

RMAN backups, incremental, not compressed: estimate size?

We´re setting up RMAN to backup a database over NFS and ZFS, for which I have to create shares and mounting points (4 shares in my case). I am trying to anticipate the size of the shares, which ...
2
votes
1answer
28k views

Error ORA-12560 when trying to connect Windows SQL*Plus client to Oracle 11g Linux server

I installed 11g on Centos VM on my mac.I have everything up and working on server.I have included following command I ran on cenos. $lsnrctl status LSNRCTL for Linux: Version 11.2.0.1.0 - Production ...
1
vote
0answers
520 views

Why does this MySQL date_sub statement return wrong values?

I had a complex statement that was returning strange values and I traced it to the following line: SELECT id, updated FROM status WHERE updated > date_sub(NOW(), INTERVAL 6 MINUTE) ORDER BY ...
0
votes
2answers
2k views

mysql no longer defaulting to /tmp/mysql.sock

I was testing some software to see if it could connect to mysql correctly when mysql is not using /tmp/mysql.sock. I stopped mysql, editted /etc/my.cnf to add socket=/var/lib/mysql/mysql.sock ...
2
votes
1answer
183 views

Migrate Management Data Warehouse to a New Instance

Is there a defined procedure to follow for moving a SQL Server 2012 management data warehouse to a new server\instance? We intend to setup an MDW on a test sql server instance first, but will then ...
1
vote
2answers
118 views

ownership of users

Two related questions: Using SQL Server 2012, how does one find out who/what owns a user, and how can you set the ownership for users, if at all? To add a couple of questions: 'how to' for both of ...
2
votes
1answer
3k views

Map a Login to a User that was Created Without Mapping to a Login

This question has been asked before, but I didn't see any answer (http://stackoverflow.com/questions/6468813/assign-a-login-to-a-user-created-without-login-sql-server) How does one map a login to a ...
1
vote
0answers
50 views

Flush procedure cache or drop and create?

Okay I had a very strange issue today on SQL Server 2005. We had a stored procedure update that added new parameters to part of it. One database out of ~150 or more seem to not work properly. Using ...
4
votes
0answers
430 views

PostgreSQL custom operator for equality

I want to build a custom equality operator in PostgreSQL, which can be used in GROUP BY, UNION and DISTINCT [ON] for the json type (just for the sake of curiosity, not for real-world implementation -- ...
1
vote
1answer
1k views

SQL Server Authentication vs Windows Authentication [closed]

Good Afternoon, I've been working on a problem where connecting to a remote default SQL instance (using the server's IP address) via Windows Authentication has been taking a lot longer than SQL ...
2
votes
1answer
3k views

Can I upgrade SQL Server 2008 R2 Standard to SQL Server 2014 Developer?

Is there a migration path to upgrade SQL Server 2008 R2 Standard to SQL Server 2014 Developer? If so, are there any pain points? If not, how would you recommend I proceed? The context of this ...
2
votes
0answers
420 views

Quickly edit MS_Description in SSMS

We document our database by storing descriptions for tables, columns, stored procedures etc. in the MS_Description extended property. It's easy enough to handle by scripting, but what I miss is some ...
2
votes
1answer
68 views

Save different account types in a database

I have the following issue. In one application (imagine a messaging/e-mail app on your smartphone), the user enters its accounts and gets information from the server displayed. I need to store the ...
1
vote
1answer
1k views

How list of netezza system tables/views?

Is ther a system table/view in Netezza wich permits to show the number of records for each table ? Thanks
0
votes
1answer
39 views

Raster files into DB2

Team, We have been loading shapefiles into DB2 using db2se import utilities. I have been trying to find help to load Raster files and i wasnt able to find any help on this. it would be really ...
1
vote
0answers
732 views

“Temporary file write failure” when trying to change primary key in MySQL

In MySQL, When I trying to change primary key by this query: ALTER TABLE `resources` DROP PRIMARY KEY, ADD PRIMARY KEY (`role_id`, `category_id`, `lang`, `model`, `rule`); I execute this query ...
-2
votes
1answer
50 views

how to select column3 from rec1 value which is matched to column1 val in rec2

i am having following scenario : col1 col2 col3 10 2 13 13 4 14 14 5 15 15 6 16 form the above given table col3 value(13) in row1 is seen in col1 value(13) in ...
0
votes
2answers
64 views

How to print ORDER wise using LEFT JOIN in SQL?

Below SQL query is not displaying ORDER wise. How can I fix it? SELECT TabTitle,A.ButtonName,A.CheckBoxName,B.SubCheckboxName FROM (Select * from PersonalTrainerCheckboxData where ...
0
votes
2answers
70 views

Should I create separate table or have the information as columns in the same table

Sorry for the title but I could not find anything better that could suit my needs. I'm designing the database of a Document Management (Circulation) application. There are two types of documents - A ...
1
vote
1answer
48 views

Should I add it as an additional column or a seperate table?

I have a table in my SQL Server that's called "Regions", it has information about 9 regions and the 10th row holds the info about our Division. Now that we will be merging another 2 divisions with its ...
1
vote
1answer
76 views

Mutating Error , How to solve it

CREATE OR REPLACE TRIGGER LOAN_RP AFTER INSERT OR UPDATE ON FUND_DISBURSE REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW DECLARE V_FA FUND_DISBURSE.FUND_AMT%TYPE; V_RC NUMBER (10); ...
0
votes
2answers
193 views

Make a database inaccessible through “sa” user but should be accessible through another user

I have a database BugTracker which is accessible from "sa" user. I have just created new user AdminBugCatcher. I have also mapped "BugTracker" database with this user. But this database should not be ...
-2
votes
1answer
1k views

how to design a database for erp in mysql

i am developing a database for a erp system. the products are electronic goods like camera, CCTV, GPS etc. the system has purchase order, purchase invoice in Purchase module. And quotation, delivery ...
1
vote
0answers
94 views

Ordering a sequence of INSERT…SELECT statements to avoid a deadlock

I have the following two tables in a MySQL database: CREATE TABLE `names` ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `name` varchar(60) NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY ...
2
votes
1answer
210 views

Optimal table design for a medical center rental service and recurrent shifts

I'm trying to figure out the optimal design for the following situation I'm being presented. I'm developing a medical web application with MySQL as db engine. A medical center has 14-16 offices/rooms ...
0
votes
0answers
139 views

Using SQL Server Import\Export Wizard with Ms. Access as a source DB

I need to copy this Ms. Access database that we have to test it in SQL Server 2008 R2, is the Import\Export wizard will let me copy all tables, queries, forms... without affecting the live database? I ...
2
votes
1answer
32 views

remove a paritition table

I need to remove a partition table for an application upgrade. It is SQL Server 2008 R2. The partition column is on column col1 data type smallint, null. Col1 has length 10 and precision 5. As you ...
1
vote
1answer
964 views

Changing Databases Dynamically using Variables [closed]

I want change into a database programatically using in code: DECLARE @SQL nvarchar(2000) DECLARE @DBName sysname SET @DBName= 'foo' SET @SQL = 'USE [' + @DBName + ']' select @SQL execute @SQL ...
0
votes
1answer
47 views

Remove Cluster Nodes after Cluster Object was deleted

While building new 2012 servers to move to we had some change in requirements. We are using Availability Groups on the new servers. Here's where we started. Servers: Serv1a Serv1b Serv2a Serv2b ...
1
vote
0answers
102 views

SSIS - the 1st item in the data flow package view always imports way slower than the others

In the SSIS data flow task, I've been importing CSV files to my SQL Server via Flat File Source -> OLE DB Destination. When I'm setting things up in the package design preview, if I have just one ...
0
votes
1answer
638 views

ORA-00907: missing right parenthesis on query with subqueries

I am getting ORA-00907: missing right parenthesis for the following query: SELECT PEOPLE.NAME FROM CLIENTS K INNER JOIN PEOPLE ON K.ID_L = PEOPLE.ID_L WHERE NOT EXISTS ( (SELECT DISTINCT ARTIST.ID_U ...
3
votes
1answer
933 views

db_owner Member Can't Delete on Tables

SQL server 2008 R2. A user is part of an AD group. That AD group has a SQL account in this instance. That group has the following access to a Database: db_datareader db_datawriter db_ddladmin ...
0
votes
2answers
98 views

Should I create a multi-column UNIQUE index?

I have created the following MySQL table, which stores which sections of our site a user visited (and the Count of visits): CREATE TABLE `Visits` ( `ID` int(10) unsigned NOT NULL AUTO_INCREMENT, ...
0
votes
1answer
326 views

Why is it necessary to type “host” before the imp command when I'm using SQL*Plus to import a dmp file into Oracle?

In SQL*Plus, I'm connected to an Oracle 11g database. When I type imp help=y It gives me SP2-0042: unknown command "imp help=y" - rest of line ignored. But when I type host imp help=y it ...
0
votes
1answer
99 views

I need to copy data from remote Postgres server that has limited disk space and limited connectivity to a server

I have a remote Postgres server recording some data every second. the server has very less space like 6-7 GB, currently I write data to a remote VM server but due to poor connectivity the applications ...
2
votes
2answers
249 views

Are indexes unnecessary for columnar database?

In a columnar database, are indexes unnecessary or useless?
2
votes
1answer
95 views

Best Practice in storage allocation for compressed and partitioned tables

I have a fairly large database that basically consists of one table, this table is paritioned by month and all partitions are compressed with page compression. After the initial load of the data there ...
1
vote
3answers
561 views

How to auto replicate specific columns only from a table in MySQL

I want to make one master DB which replicates specific user data into other databases such as: username pass (hashed) email pin (hashed) timezone (int) They are all in one table and running on ...
0
votes
2answers
741 views

Using wildcards in NEAR in a Full Text Search

Let's say I have the following text somewhere in a document stored in an FT indexed table in SQL Server minsitry of education and science I want the query to ensure the words are NEAR, but the ...
0
votes
1answer
2k views

Move Oracle database to new server

I have a Oracle 11g R1 Standard Edition database on production server working on Windows 2008 R2 SE. Unfortunately server it not working properly (os/hardware failure) and I need to move it to ...
0
votes
1answer
202 views

how to split the chunks in sharding

I have edited the question. I was trying to run the sh.splitAt mongos> sh.splitAt("test.zp",{"city": "1"})it worked. But the problem is at sharding chunks. when i have run the command ...
2
votes
0answers
441 views

Postgresql trigger - get all changed rows after transaction

I have invoice_item table and invoice table. I need to check total price of Order after each transaction. Since I still want to be able to change things, I need trigger after each transaction. CREATE ...
0
votes
0answers
40 views

How to aggregate similar columns inside a very long table? [duplicate]

I have quite a difficult problem that I don't have any idea how to approach it. I'll be glad to receive some advice. I have a very long table which contains details about a specific house residents. ...

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