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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3
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4answers
482 views

Full Text Search With PostgreSQL

i have a table with this rows: Stickers ------------------------------------------------------ ID | Title |Keywords (ts_vector) ------------------------------------------------------ ...
1
vote
1answer
63 views

Generate Agent Job Report

We have a few jobs that run nightly that the status has to be reported every hour. I am trying to find in MSDB where I can capture the information below hourly and send out an excel file. Server ...
3
votes
1answer
102 views

Formal name for functions that use the OVER clause

Is there a formal/academic name for the family of functions in Sql Server like ROW_NUMBER(), LAG, LEAD, RANK etc, that make use of the OVER(ORDER BY <PARTITION BY> ) syntax? How much of this is ...
0
votes
1answer
10 views

Build replication from backup not publication source

I have an interesting scenario I am trying to find a solution to. We currently have the current setup. ProductionDatabase (publisher) is the publication for transnational replication to the ...
4
votes
2answers
1k views

PostgreSQL query with max and min date plus associated id per row

I have the following table: CREATE TABLE trans ( id SERIAL PRIMARY KEY, trans_date date, trans_time time ); I want to have the following view CREATE OR REPLACE VIEW daily_trans ...
-2
votes
1answer
23 views

How to display money in 12 Lc or 2 Cr

hi i want display money as 12Lc or 2Cr if money =1200000 as 12 Lc when 12000000 as 1.2 Cr how can i do this help me guys
5
votes
1answer
2k views

Difference between count(*) and count(1) in mysql?

In MySql we can count the total number of records by using count(1) or count(*). Is there any technical difference between them?
5
votes
3answers
106 views

Find the user with closest taste of mine

I trying to write in SQL the following requirement: Each user can rate as much films as they like. (1= I don't like, 5=I love it) And the system should provide to the current user a list of films ...
3
votes
1answer
172 views

Allow non-sys admin, non-owner of a job to execute it

I have a job that runs an SSIS package. Currently the owner is a proxy account. I can run the job manually from a sys-admin account. Our web service logs in using a limited account. It needs to ...
-1
votes
0answers
14 views

Create a function that returns next working day [on hold]

I have a stored procedure that takes a date as input and returns if it is a holiday. I want to create a function that returns next working day based on that stored procedure and also exclude weekends ...
0
votes
1answer
19 views

Optional oneToOne relations and criteria field

Introduction: Visitors can fill reports on my website. Those report can either be filled by a legalPerson or a naturalPerson. Constraint: I don't like empty fields and I would like to normalize as ...
3
votes
3answers
232 views

Checking whether two tables have identical content in PostgreSQL

This has already been asked on Stack Overflow, but only for MySQL. I'm using PostgreSQL. Unfortunately (and surprisingly) PostgreSQL does not seem to have something like CHECKSUM table. A PostgreSQL ...
2
votes
1answer
65 views

Inconsistent MySQL query execution times

We run tests on two servers: one in production [Old Server] and the other one in tests [New Server]. Both tests used the same database. [New Server] Dedicated MySQL 5.6.17 server on Ubuntu 14.04 ...
0
votes
2answers
40 views

Msg 2627 Violation of PRIMARY KEY constraint

trying to make a database for teams in a tv show here. but when I try and insert data into tblShowteam the following error made its appearance. Msg 2627, Level 14, State 1, Line 2 Violation of ...
0
votes
1answer
61 views

Update primary key column - NULL issue

I want to update a column that is a primary key using this code use BITS_TEE Update DMT_TEE_DTS_Production set ABCIndicatorCode = ( select HIST.ABCIndicatorCode from ...
0
votes
1answer
124 views

Select one single row from table b for each row from table a

I have two tables: A(name VARCHAR2(20), type VARCHAR2(20)) and B (type VARCHAR2(20), ... (20 fields more)) I need to select a single row from B for each distinct name,type from A taking into ...
1
vote
1answer
16 views

Restarting a Publisher involved in Merge replication

Our hosting provider would like restart the SQL Server that a publisher in a merge replication topology. I'm not able to clearly understand best practice for doing this from the Microsoft docs. Our ...
-3
votes
0answers
46 views

SQL Architect - HA [on hold]

We have different office has its own set of legacy databases for functions like HR, Finance etc. While each office has fortuitously chosen the Microsoft application stack, that they have, until ...
0
votes
1answer
63 views

Need help optimizing query to prevent full table scans

I have the following query, which while it works, is also doing a full scan on each left joined table (the log* tables). I thought by using a subquery in the FROM that this would eliminate the ...
1
vote
2answers
76 views

Get rows in a range of time

I have a table with two columns that stores TIME type values. This is the CREATE statement: CREATE TABLE `sdriving_turno` ( `idturno` bigint(20) NOT NULL AUTO_INCREMENT, `idempresa` int(10) ...
0
votes
0answers
11 views

utf8mb4 in SQL Server Express

We have some web applications based on databases using utf8mb4 as character set and utf8mb4_Standard as collation. We saw that we can use any character we want with this setting. In SQL Server ...
0
votes
2answers
58 views

Reading Data from SQL Server database

I want to read data from each cell of database. If the corresponding value is encountered then I have increment a variable count for that corresponding variable. Consider the following table Ques1 ...
0
votes
1answer
144 views

Data Analysis with MongoDB or MySQL

I have a need for processing some data in order to come up with some statistic. This is the scenario: Each user can answer several questions from the question list. They pick their answers from a ...
2
votes
1answer
28 views

WHERE attribute having two relation lines in the same SQL

I have a database designed with tree tables: checklist (id, name) tag (id, name) checklist_tag (checklist_id - FK, tag_id - FK) Running this SQL: SELECT cc.id as checklist_id, cc.name as ...
0
votes
1answer
63 views

Need to get the first 15 rows from 200k rows of data fast [on hold]

I have 3 tables with a lot of data (each one has 100k rows). I used UNION to get data from that. It takes more than 5 seconds as wait time in server to load the first page. I need only 15 rows from ...
1
vote
4answers
66 views

How to join the latest previous record with SQL

The original question was posted on stackoverflow. I think this site could be more focused on db related topic. I have a table whose schema is like this: CREATE TABLE product_shipping( ...
2
votes
1answer
42 views

Conditionally join table

I'm new to database design and have designed a database that seems fine for the application but looks like it has a major red flag to me. I have a master table which is then joined to another table ...
0
votes
1answer
40 views

Case always returns null?

I have a subquery that gets the DATEDIFF of two dates. However the first case always returns null yet the actual sub query returns dates?! CASE WHEN [date1] > [date2] THEN ...
0
votes
0answers
9 views

How to join the latest previous record with SQL [duplicate]

I have a table whose schema is like this: CREATE TABLE product_shipping{ product_id CHAR(10), product_name CHAR(10), deal_dt DATETIME, deal_reason_no SMALLINT, cancel_dt DATETIME, cancel_reason_no ...
3
votes
4answers
121 views

Steps after restoring to a different server

We have a 30 GB Database on SQL Server 2008 R2 Standard Edition. Yesterday we backed up the database and restored it to a different Virtual Machine which has exactly the same specs as the previous ...
0
votes
2answers
55 views

Decode Function in Oracle

I have a table named as transaction,in that table trans_type column is there.I want to check the trans_type like bellow if(trans_type = 'AR','AD','AF','AG') then trans_type:='A'; elsif trans_type = ...
9
votes
1answer
765 views

How can I make a query take a specific amount of time?

I am testing a monitoring application against a SQL Server 2000 instance. How can I write a T-SQL query that takes an amount of time that I specify? For example, most scripting languages have ...
2
votes
1answer
186 views

How does Oracle 10g use indexes?

I have table called result: CREATE TABLE result (id_graduate NUMBER NOT NULL, id_sml NUMBER NOT NULL, last_update DATE NOT ...
0
votes
2answers
27 views

Get the table affected by the query

How I can get the table which is affected by the query? Example Update cust Set name = 'john' Where custid = '4001' Output: cust ___________________________ Insert into emp(fname, lname) ...
0
votes
2answers
62 views

View with left joins are very slow

I have a view based on join of 3 tables and and query on view is taking 10 mins to fetch the results. Can anybody help me in reducing the time taken to fetch results? VIEW CREATE view ...
0
votes
2answers
36 views

How to import into database when records contain multi-line data

I am setting up a new database and I want to import lots of data from multiple spreadsheet files. One of the fields in these documents contains an array of data, each item declared on seperate rows as ...
-2
votes
1answer
58 views

Errors writing MySQL Queries

I'm having trouble writing some MySQL queries. I have been having a lot of trouble getting these queries to work. a) For each class that has at least one qualified professor to teach, list the number ...
0
votes
1answer
20 views

Get the most present elements from many fields

Here is my table: id|item0|item1|item2 --+-----+-----+----- 1 | 10 | 12 | 12 2 | 12 | 68 | 13 3 | 15  | 13 | 10 I just want to get the most present number of all itemX columns. The query ...
0
votes
1answer
40 views

GROUP BY performance

I have a query like this: SELECT HOUR(datetime) as Hour, COUNT(*) as hits, SUM(clicks) FROM visitors_log_table WHERE datetime >= CURDATE() GROUP BY Hour WITH ROLLUP It works fine. But I ...
4
votes
1answer
81 views

Splitting a csv column from select query into multiple columns

I have a stored procedure SELECT [ShipWorks].[dbo].[OrderItem].[Code] AS Code, CASE WHEN (LEN(ISNULL(MAX([ShipWorks].[dbo].[OrderItem].[Location]),'')) = 1) THEN ...
0
votes
1answer
112 views

Nested query not recognize external table

i need to a query that show week by week the total amount of imports of any company and in addition add a ranking position depending on that amount. I've made this query but the problem is the inner ...
0
votes
1answer
25 views

How to query group for increase or decrease in value

In MySQl I have a table positions and I would like to find out if position of certain app for certain feed in a certain country type has been increasing/decreasing and by how much from the last ...
5
votes
4answers
1k views

Script to generate insert statements

I am trying to write an SQL script to create an insert statement for each row of table TEST which has field A (int) and field B varchar(30), in my MS SQL database. I would like to save those insert ...
0
votes
2answers
1k views

Oracle query is slower the second time

I have a general question about something I'm seeing in performance tuning in Oracle. I have a query that I'm testing. It's too big and complex for me to provide a simple example, sorry! (I tried ...
2
votes
2answers
332 views

Loop through all databases and remove all users

We are doing a conversion from one system to another which is requiring backup/restores. I am trying to create a process that will remove all users after the restore on the new servers as no user ...
0
votes
1answer
41 views

Replication in mysql with many servers

There are 3 shops. In each of these is a mysql server. I want all servers to synchronize their date if at least one server changes the date. I read a bit of literature and realized that I need ...
0
votes
1answer
15 views

Can I Create a Database and Tables in One SQL Command From PHP?

I tried separating the CREATE DATABASE and CREATE TABLES commands into different mysqli_query statements. The Database gets created but I get an error with: $create_tables = "CREATE TABLE ...
2
votes
2answers
139 views

SQL Profiler - Insert values?

I setup an SQL profiler to run, but I am not seeing any values for updates/inserts. Is there a way to see them? All I see is stuff like this: insert into some_tbl(id, col1, col2, col3) values ( @P0 ...
-5
votes
1answer
38 views

How to fix the SQL from SQL Server to Oracle? [on hold]

There is the SQL using in SQL Server: select l.depart_code, l.depart_name, y.HR_NO, y.HR_NAME, m.PAY_SCOPE, x._per, x._com from psr_main m, hr_depart_data n, hr_depart_data l, (select ...
0
votes
1answer
420 views

DB2 SQL: How to select all days in a date range even if no data exists for some days

I am really really new to the whole programming world. I have found this previously. However I need rolling dates and into a SQL i am not aware what it is. Example of the SQL im using: Select ...