An acronym for "Structured Query Language" (it's not the name of a specific DBMS product), SQL can be used in relational database management systems (RDBMS) to query, update, delete, and insert data as well as modify the structure of the database. It can also be used to manage schemas and data ...

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1answer
59 views

PLS-00049 bad bind variable when compiling a trigger

I'm trying to implement a dedupe trigger to a table. CREATE OR REPLACE TRIGGER USER.TBL_ACTION_DEDUP BEFORE INSERT ON USER.ERRORTABLE REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW BEGIN IF ...
0
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1answer
61 views

DB2 - Not enough storage in the database heap error when trying to create database

So like the title says I'm trying to create a database using this script db2 -v -t "CREATE DATABASE %DBNAME% ON '%DBDRIVE%' USING CODESET UTF-8 TERRITORY US COLLATE USING SYSTEM CATALOG TABLESPACE ...
0
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1answer
42 views

Name for SELECT equivalent of UPSERT

UPSERT means INSERT and\or UPDATE, is there a standard name for a sproc that will INSERT if necessary and then SELECT? e.g. I want to get the IS of a row that matches fields and give me the ID, if ...
0
votes
2answers
152 views

Oracle - Clause where in case when

all! I want to know how wrote this code of SQL, I already trying but i get message error. I wrote two way different this SQL. See you below SELECT * FROM tabela WHERE coluna IN (CASE WHEN 1 = ...
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0answers
56 views

CTE Hanging with Larger Data Set

I have a CTE that creates a hierarchy and looks for circular references. The table it searches lookes like this: Parent_IndicatorID | Child_IndicatorID | SortOrder My CTE is the following: ;with ...
3
votes
3answers
184 views

Join table on some conditions

I've got a table called activities. And a table messages. Activity has many messages, and one message has one activity. This are the message columns : id sender_id receiver_id body activity_id I'm ...
0
votes
1answer
39 views

Low-level relational operators from SQL

I have been asked to outline the sequence of commands using low-level operators (join/project/select) that are used in the following SQL statement; SELECT d.name, k.city FROM DOG d, KENNEL k WHERE ...
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0answers
31 views

SELECT, PROJECT, CARTESIAN PRODUCT and JOIN

I have the following tables; DOG +----------------------------------------------+ | Name Type Age Kennel_name Owner_name | +----------------------------------------------+ ...
1
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1answer
193 views

How can I create a Foreign Key to a Compound Primary Key with a single column?

I am working with a 'lookup' style table that is already in place, which has a compound primary key (not my design) in Microsoft SQL Server 2012. I want to add a foreign key to it in another table, ...
1
vote
1answer
43 views

Mysql down on my server (log files)

I have server (on DigitalOcean) with LAMP + site with wordpress 3.8.1. Sometimes my MySQL server down. I try to plug swap, and it helped sometime (fo example when pst publishing) but sometime my site ...
0
votes
1answer
43 views

limiting rows in joins

So I have this problem with one of my queries. The query is meant to get data from table patients and join the table patient_nurse, then table nurses to it. The patients table is as follows id | ...
1
vote
4answers
90 views

How to handle table design with variable columns

I have a table design scenario and as a non-DBA type, would like opinions on which is more scaleable. Say you are asked to record information on houses for a metro area, starting with a small ...
2
votes
2answers
71 views

Problem translating MySQL to PostgreSQL

We're using Trac for issue tracking. I migrated it from MySQL to PostgreSQL, but some of the ticket queries no longer work. In the below, all I did this far is replace IFNULL() with COALESCE() and ...
2
votes
4answers
250 views

SQL Server BPA 2008R2

I have been using SQL server BPA for getting good information from Microsoft. I was using its 2005 version in which i used to export the results in csv format but recently I got two new servers which ...
0
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0answers
41 views

Accidentally deleted records [duplicate]

I would like to know if it is possible to restore a deleted record directly from the transaction log without doing a DB restore to a test database to retrieve the deleted records? I could be wrong ...
1
vote
1answer
31 views

RETURN NEXT in Postgres Function

I'm currently writing a plpgsql function that will select from a table and produce a substantial amount of data. I was originally going to return an array, but I found a resource that explains the ...
0
votes
1answer
38 views

Why does SQlite return incorrect sum?

CREATE TABLE "Test" ("ItemQty" DOUBLE NOT NULL ); Insert Into Test VALUES (1.4); Insert Into Test VALUES (1.4); Insert Into Test VALUES (1.4); Insert Into Test VALUES (1.4); Insert Into Test VALUES ...
0
votes
1answer
54 views

Recommendations for how I should create my table based on data given?

I'm asking this as I'm kinda overwhelmed by the data presented to me (I'm still fairly new in programming and SQL). Basically I need to create a database to store warehouse equipment information, and ...
10
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7answers
71k views

How do I Create Tablespace in Oracle 11g?

I am not too savvy in Oracle, and I have been trying to create a TABLESPACE, which keep on giving me an error message of invalid file name. Below is the syntax that I have used: SQL> create ...
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1answer
41 views

select and count based on a condition

I have two tables, proj: id name and proj_reports: id, position, created_at, key_id, proj_id and I want to select from key_reports for each proj_id: `- total number of `key_id` which can be done ...
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2answers
46 views

How to Log All mysql queries into log file?

I am using Mysql 5.6.12 under Wamp server environment. Now I want to log All queries into ".log" file, the queries which are running by PHP or from PHPMyAdmin, I want to log them...
0
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1answer
419 views

Selecting from an excel spreadsheet into SQL Server table

This question has been asked before but I tried giving full admin rights to the SQL Server user on C:\temp\ folder location (I am using Windows authentication into SQL Server Express). So for the ...
0
votes
1answer
30 views

Restore InnoDB from .frm files

My database crashed and my PC and I now only have the .frm and .ibd files left. Is there any way to restore my database?
0
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1answer
51 views

How to shift a value one record 'down'

Suppose we have a field ("Flag"). How we can shift records of this flag in another field ("ShiftField") by using SQL code? See the example: ID Flag ShiftFlag 1 0 2 1 0 3 1 ...
0
votes
3answers
34 views

How to create an Access query to find # symbol into a field?

It seems easy but I'm missing something. I have a MySQL database that is connected from access through ODBC connector. I'm looking for the fields where there are # symbol but I'm getting zero ...
0
votes
1answer
17 views

mysql - Waiting for table level lock on a table

I have a problem with my website.. The last few days, at random times the website has become very slow. I started to investigate the best I could. I saw that the MySQL process was using 85 - 95% of ...
3
votes
1answer
532 views

query to identify all data types used in postgresql database tables

I don't want to know all data types, just all data types used in my database. Can this information be queried? PostgreSQL 8.4 and 9.x versions I currently need to know all data types for over 200 ...
1
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1answer
56 views

How to solve the error Msg 547, Level 16, State 0, Line 1 [closed]

Please suggest me how to solve the error How to solve the error Msg 547, Level 16, State 0, Line 1 The ALTER TABLE statement conflicted with the FOREIGN KEY constraint "MyForeignKeyName". The ...
1
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0answers
61 views

Phantom insert query

I have a log table which I have to clean up a bit because it is growing very fast. While deleting some historical data I reached count zero for that condition on which I have deleted the entries. 5 ...
0
votes
1answer
32 views

Login failed for user '' reason:The account is disabled sql error

i got the error after change my SQL windows authentication security login set enabled to Disabled . But after that i dont able to reset windows authentication security login please help me ...
0
votes
1answer
49 views

Why is this query slow, it seems simple

I have a very typical table of user information for my application, with an average set of columns (ints, varchars, etc). In this table are two varchar(100) fields: emailAddress and emailAddress2. ...
2
votes
1answer
131 views

How oracle Oracle Database 10g used index?

I have table “result”, DDL : CREATE TABLE result (id_graduate NUMBER NOT NULL, id_sml NUMBER NOT NULL, last_update DATE NOT ...
2
votes
1answer
53 views

Saving passport information [closed]

For starters: Our company is based in Germany and thus is based on German law. Germany now has adopted a new act regarding anti-money laundering and which information needs to be stored. Now we're ...
0
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2answers
68 views

sql custom calendar question

I need to create a custom report for my PMO where they want allocation to be calcualted by multiplying working days for each month * total hours For example January 2014 should have 21 working days ...
1
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2answers
41 views

Oracle result cache behaviour

Oracle by default caching the query results and function results(Buffer cache). I have noticed this with AutoTrace utility, where the physical reads are huge on first execution, but from next ...
0
votes
1answer
21 views

How to overwrite csv file of MySQL result set?

My SQL query is given below, select company.Company_name as COMPANY_NAME, IFNULL(followup.contact_date, ' ') AS FOLLOW_UP_DATE, IFNULL((select Full_name from user where user_id = followup.user_id), ...
0
votes
3answers
50 views

Get only future records

I have the following query: SELECT master.master_id, master.showname, MIN(CONCAT(shows.show_date, ' ', shows.show_time)) AS first_show_date, MAX(CONCAT(shows.show_date, ' ', shows.show_time)) AS ...
0
votes
1answer
30 views

Database design for eCommerce website with multiple products having huge specifications index

I am designing a web site for online shopping and I have a question related to that. As you know that shopping website may have different product with different statistic/specification. What is the ...
1
vote
1answer
24 views

merge rows based on column

I have attendance_log table : +----------+-------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | ...
11
votes
1answer
506 views

GO After every T-SQL statement

What is the reasoning behind using the GO statement after every SQL statement? I understand that GO signals the end of batch and/or allows the reputation of statements but what advantage does it have ...
0
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2answers
145 views

Slow insert - 300+ Million Records

The following query takes over an hour on the table to insert. There are no indexes. There was one which was deleted but still takes an hour after deletion. Any pointers on improving this ...
1
vote
1answer
67 views

Inserting to table: Insert rows with Left Outer Join or Insert rows then Update?

I have a table of Orders and another table of Deliveries. The Orders table will contain a reference to the Deliveries table if there is a corresponding row. Not every row in Orders will have a row in ...
0
votes
1answer
35 views

How to query transfers for single source to single destination?

This should probably be easier than I'm making it, but I'm scratching my head coming up with an efficient way to query the results I want. I'm working with a table that has a source field and a ...
1
vote
1answer
93 views

Query takes over 200ms

So, im using symfony2 with doctrine running in local with WAMP. I have to select from my database : latest shop comments with shop & user informations latest liked shops with shop and user ...
1
vote
1answer
173 views

Optimising a query of an SSRS dataset

Consider the query given below: SELECT * FROM ((SELECT c.cust_id , c.username , REPLACE(qs.seg_type_ref_key_02, 'N/A', 'Non Vip') casino_group, ...
5
votes
1answer
73 views

Free space of mdf and ldf does not match with database free space

In SSMS I saw file size related properties and found below details for one database. Here values does not match with other properties. Here size of the mdf, ldf and total size matches with other ...
0
votes
0answers
28 views

how can i achieve this

I have a access table for which i want to design a form, where user will enter the following info. User will enter this info on weekly basis Period No Week No Canadian Dollar rate US Dollar Rate ...
2
votes
4answers
1k views

Field types for columns in a MySQL query

Is it possible to get the field type from a MySQL query, in the same way you can get it from a table with the SHOW COLUMNS command? edit: i should clarify that a bit. I am aware that I can get the ...
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votes
1answer
32 views

Oracle Database XE 11.2 Question on how to get started [closed]

I have installed Oracle Database XE 11.2 on my laptop PC. As I am new to Oracle and to SQL in general, I am finding it difficult to get started. I have searched but couldn't find any "step-by-step" ...
1
vote
1answer
32 views

Using EncryptByPassPhrase in where condition

I am using EncryptByPassPhrase of sql server. But i am not able to use where condition properly. DECLARE @login_details TABLE(uid integer,username varchar(10),password varbinary(100)) insert into ...