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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0answers
124 views

How do I cast a varchar to Bigint in DB2

I have a field which is varchar(25) and I need to create a join between that field and a field that is a bigint So I guess I need to convert the field into bigint aswell but it's giving me some ...
1
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1answer
32 views

Speed up procedure

I was wondering if this procedure can be executed faster. There are indexes on the joins and where's. Depeding on the size of product_id_CSV it takes approx. 2.5 sec. CREATE ...
2
votes
1answer
91 views

Query looks optimal but logical reads is huge

I run the following (really simple) query in SQL Server: SELECT MAX(PK_Field1) FROM MainTable kh WHERE kh.PK_Field1 >= '2014-12-01T00:00:00' AND kh.PK_Field2 = 1572 AND ...
3
votes
1answer
97 views

DB2 CASE statement faster with parentheses around entire WHEN

Trying to optimize slow queries, someone on my team come across this. Having this in our stored proc: CASE WHEN MYCOL BETWEEN @STARTNUM AND @ENDNUM AND RECTYPE = 'RO' THEN 1 ELSE 0 ...
2
votes
2answers
68 views

Running a T-SQL job under another user

I cant find my proxy user to "Run as" that user !? I am confused which kind of proxy user is appropriate to run a job with a simple T-SQL command. (I have created a credential and proxy but cant find ...
0
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1answer
43 views

Oracle SQL Complications With Multiple Triggers

Hey all so I am creating a DB that is used going to be used for managing utilities of a system. My DB has 3 tables: Users, Utilites, and Files (leaving Files table out because question shouldn't ...
1
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2answers
47 views

Can I select data inserted in the same uncommited transaction?

Maybe this is a dumb beginner question, but I cannot find an answer anywhere. Everywhere I read about the Transaction Isolation which solves the visibility of data within the concurrent transactions. ...
0
votes
1answer
80 views

Inner join on array column in Postgres

In Postgres 9.4, I'm trying to pull the names of all columns that are involved in a UNIQUE constraint for a given table in Postgres. It looks like the names of such columns are contained in ...
0
votes
2answers
59 views

inner join select - group by?

I have 2 tables (Oracle database): ANEXA2A_TABEL1: id fk_id_anexa pet1 pet2 alt1 alt2 1 123 10 1 20 2 2 321 11 2 10 3 ...
0
votes
1answer
90 views

Select only rows that equal x but not x and y?

I'm having quite the challenge with selecting hierarchical data in mysql although I feel the schema should be optimized for it since it's based on the wordpress database model. I've got 4 tables... ...
0
votes
0answers
28 views

Designing multi-table notes

I have several tables (Providers, Items, Users) representing items that my users can comment on. In the OO mindset, if the above tables were classes, they would each be a subclass of Commentable, ...
5
votes
3answers
283 views

Check if any of the values is in a subquery result

I have a complicated subquery that returns a list of order IDs. I need to get a list of customers who have these orders. The problem is that there are two ways of assigning a customer to an order (one ...
0
votes
2answers
50 views

How to retrieve all data from table if column value providing null value?

How to write a query: If country = ' ' I need to display all data in table. If country='algeria', it will display the particular data. I need both queries in a single query. I am getting result, ...
1
vote
2answers
82 views

Need to make MySQL's LOAD DATA LOCAL INFILE load large data faster

I need to load 4 million rows of data into a MySQL InnoDB table using LOAD DATA INFILE and would like to know if there are server configuration options I can tweak to get faster load. It took me 15 ...
0
votes
1answer
46 views

ORA-01722 Error when running stored procedure

I am trying to run a stored procedure however when I run it with an a valid Number it gives me an ORA-01722 error. I checked to make sure that the columns in the where clause where the parameter is ...
1
vote
1answer
24 views

making a where clause optional in a sql statement

Here is my current query: `SELECT `performers`.`hash`, `performers`.`alias`, `performers`.`date_updated`, `performers`.`status`, IF(`performers`.`status` = 'active', 'deleted','active') AS ...
33
votes
2answers
151 views

SQL Server unpredictable select results (dbms error?)

Below is simple example, which returns strange results, that are unpredictable and we cannot explain it in our team. Are we doing something wrong or is it SQL Server error? After some investigation ...
1
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0answers
32 views

Explain unexpected result in MATCH () AGAINST ()

I have a database with a fulltext column name. I made a query SELECT name, MATCH (name) AGAINST ('breaking bad') AS score FROM files WHERE MATCH (name) AGAINST ('breaking bad'); So that I can see ...
1
vote
2answers
258 views

Whats SQL Server NVARCHAR(max) equivalent in MySQL?

Using SQL Server you just have to give the "MAX" parameter to the length of a text data type, but in MySQL there's no such a thing. According to Ispirer: "n" is the maximum number of characters, ...
0
votes
0answers
24 views

Why is the transaction log file not truncated though its simple recovery model? [duplicate]

My database is simple recovery model and when I view the free space in log file it shows 99%. Why doesn't my log file truncate the committed data automatically to free space in ldf file? When I shrink ...
1
vote
1answer
66 views

How do relations work in NOSQL? [closed]

I was using SQL in all my previous application and to understand the Parse.com db storage, I wanted to know NOSQL. I tried searching the differences between SQL and NOSQL for past 2 days & I ...
2
votes
1answer
67 views

Can this UPDATE be faster with indexes?

update line_items set product_id = dups.latest_product_id from line_items as li join products p on li.product_id = p.id join vendors v on p.vendor_id = v.id join vendorgroups vg on ...
0
votes
1answer
55 views

Error: Incorrect usage of UNION and ORDER BY

I have this query: SELECT DISTINCT CONCAT (MONTH(`Date`),'-',YEAR(`Date`)) from wp_result_plugin WHERE Bet=2 AND month(`Date`) = EXTRACT(month FROM (NOW())) ORDER BY MONTH(`Date`) ASC UNION ...
2
votes
1answer
48 views

Can't seem to understand why STUFF isn't working

I've got two tables that store questions and possible answers. The questions table can have multiple possible answers to it. I want to display the possible answers it can have per question.. For ...
4
votes
1answer
126 views

Combine multiple queries into 1 query

I have a message table in Postgres 9.4 that contains a words field of array type, with random words of a message. Currently I have millions of messages: \d messages Table ...
0
votes
1answer
34 views

How connect by is really working? How is it multiplying rows?

I know (on high abstract level) how hierarchies in Oracle works, but this one I do not understand. When issued following query: select rownum-1 as num from dual I've got one row as result. The ...
1
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0answers
41 views

Best practices to segment people and attributes for advertising database

we have a database where we store people some attributes per person in the following tables: people (id, name, email, phone) people_attributes (id, person_id, attribute_name, attribute_value) ...
0
votes
0answers
53 views

Why are transactions long running?

My stored procedure has a transaction blog. I pick up a record from a database and process it in that transaction block. I noticed that my transaction log has grown in gigabytes. But my transaction ...
-2
votes
1answer
49 views

Generate create table DDL from any arbitrary select query? [closed]

Is there a way, given any arbitrary select query like: select myfavoritenum, myfavoritetxt from tablewithmanycolumns and magically receive a create table statement: create table justmyfavorites ( ...
0
votes
1answer
131 views

Query calculating AVG per minute GROUP BY timestamp

I'm trying to query the average for each minute, so I can generate graph per 5, 15, 30 minutes. Here is my table, date stored in MySQL DateTime data type field. timestamp vif_2_rx ...
0
votes
2answers
90 views

How can I replace the following query with ISNULL function in SQL?

I have the following query. For performance optimization reasons I have been asked to replace the logic with ISNULL function in SQL. How can I achieve this? please advice. SELECT ...
0
votes
1answer
68 views

Insert sum of the row data of each record into separate column in postgreSQL?

I have a table id name class social science math Total 2 Max Three 85 56 85 3 Arnold Three 55 40 75 4 Krish Four 60 50 70 ...
0
votes
0answers
58 views

How can I replace the cursor in the below query?

I have this below query which calls a stored procedure that takes only 1 item's attributes at a time. But because of performance problems we are required to remove the cursor. How can I replace the ...
0
votes
1answer
36 views

Insert date values in a created table

I have created a table using the below query CREATE TABLE job_history ( EMPLOYEE_ID decimal(6,0) NOT NULL, START_DATE date NOT NULL, END_DATE date NOT NULL, JOB_ID varchar(10) NOT NULL, ...
0
votes
1answer
31 views

How to segment account info and profile info?

I am putting a rough SQL database design together and have gotten stuck on how to segment information about the users. (Note before I get into anything, stored passwords are salted and hashed, I just ...
1
vote
1answer
23 views

Formatting SQL Source Code in SSMS [closed]

There are several source code formatters for SQL in SSMS. I have tried a couple and found that are not configurable in terms of what formatting they do (e.g. indenting). Does anyone know of one ...
0
votes
0answers
14 views

Macro to search list JDE ERP

I have a list of Part numbers in a txt file. I need to get the matching Inventory number for each from our JDE database. Is it possible to build a macro in I-Series to search a JDE database for ...
1
vote
1answer
54 views

Call function where argument is a (sub)select statement

My function takes an int4 as argument and returns a table: SELECT * FROM test_function(545421); -- works fine SELECT * FROM test_function(SELECT customerid FROM tableX ...
0
votes
1answer
78 views

SQL Server Deadlock on delete

I have a query like this: with xx as ( SELECT [FilePath], ROW_NUMBER() over (partition by [FilePath] order by [FilePath]) as RowNumber FROM [dbo].[foo] ...
0
votes
1answer
20 views

Can combine five mysql statements into just one statement?

Can I combine all the five statements into just one statement? update mytable set myfield1 = replace(myfield1, '…' ,'-') ; update mytable set myfield1 = replace(myfield1, '‖' ,'|') ; update mytable ...
0
votes
0answers
27 views

Query JDE ERP Excel

I have a spreadsheet with a list of values, each matching to a particular part. I need to get a matching inventory number for each. My company uses JDE as an ERP. Is there anyway to use Excel (or ...
-2
votes
1answer
33 views

conversion failed when converting the varchar value 'JENNIFER FALCONER

I am trying to compare a status of an order. For example, placed, despatched, Invoiced etc from two table one is 'order' and another 'customer' ... while executing this simple join query(shown below) ...
0
votes
2answers
30 views

Problem With update column in table [closed]

there is my problem. I have to update column "date_to" , but only for those users who havent set their last "date_to" to value '3000-12-31' . Table looks like this : ID date_from ...
1
vote
1answer
59 views

What difference between these 2 SQL styles?

If I have a simple table named: conn_log in my Redshift/Postgresql In the performance of view, what difference between these two commands ? select t1.wifi_name, (t2.sconn*100)::numeric/t1.ttconn ...
0
votes
1answer
79 views

How to remove duplicates and keep the one with the most additional information

I have a postgres table (postgres version 9.3.4) of addresses with duplicate addresses: Column | Type | Modifiers ...
0
votes
0answers
33 views

How do I create an after Trigger in sql for a price reduction?

So im trying to do this for a personal project of mine just as a hobby kind of thing. What i need help with is that im not sure how to put a SQL After trigger for something i want to try. What i have ...
0
votes
1answer
81 views

SQL Server : execute stored procedure from another stored procedure

I have two stored procedures. Proc1 executes a SQL statement and results a data table as a result set. I need to use the datatable in a select SQL that resides in proc2 as a datasource. like, ...
1
vote
1answer
17 views

Groups relationships - Detailed or Direct?

I have a Person model: PersonId Name ----------- ---------------- 1 Jessica 2 Jennifer Then I have a ShareModel which have the Personand an ...
-1
votes
2answers
35 views

Query to get the listener.ora path in Oracle 11G

Can anyone help me out with an PL/SQL query to get the path of the listener.ora file in Oracle 11G? I require it to be fetched from the Oracle DB only via an SQL query & not via the Operating ...
1
vote
1answer
65 views

How to join SQL tables where value is Between min and max value

I am currently looking to join two tables together based on an IP and IP range. Both the IP and Range are currently stored as BIGINT. For example we have a table MasterData with IPs in integer ...