Recent questions tagged SQL

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sql - Using indexes in json array in PostgreSQL

Referring to the original stackoverflow question, I am trying to apply gin indexes to keys in objects of an array in ... ------ (0 rows) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - #1111 - Invalid use of group function

I am using the following query in an attempt to get? total number(sum) of slides retrieving the max number from ... for any and all replies. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Send email from MySQL trigger when a table updated

Consider a table as table2, i like to add a trigger on this table update as select Num into num from ... using MySQL in XAMPP(phpmyadmin). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How to perform the same aggregation on every column, without listing the columns?

I have a table with N columns. Let's call them c1, c2, c3, c4, ... cN. Among multiple rows, I ... | -- New initialize time => irreconcilable! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How to make a JPA query with LEFT OUTER JOIN

Based on these two tables (and their corresponding entities) : profiles(id, email, name) items(id, profile_id, rank, ... Thank you very much! :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Postgresql Update with join

I want to join 2 tables and update value of firts table on specified value of 2nd table. I failed using ... WHERE b.orderid = '217201807' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Does MS Access suppress primary key violations on Inserts?

I am in the process of re-writing an MS Access database to SQL server and have found an strange issue in Access ... so any help would be great. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - UPDATE with SUM() in MySQL

My table: ID NAME COST PAR P_val S_val 1 X 5 0 1 0 1 y 5 0 2 0 1 z 5 0 0 5 2 XY 4 0 ... WHERE ID=1) FROM Table_Name This does not work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Mysql query to find all rows that have the same values as another row

My database contains rows that generally look like: PersonItem __________ id personId itemId ╔════╦══════════╦════════╗ ║ ... these results? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Is it possible to use a PG sequence on a per record label?

Does PostgreSQL 9.2+ provide any functionality to make it possible to generate a sequence that is namespaced to ... the only other options? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - PostgreSQL reusing computation result in select query

For example using SQL I can do: SELECT (a+b) as c FROM table WHERE c < 5 AND (c*c+t) > 100; Is there any way to do that using Postgres? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Isolated Storage Exception: Unable to determine the identity of domain

I setup a subscription in a SQL Server 2012 SP1 Reporting Services instance that exports a ... deviceInfo, NameValueCollection See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - PostgreSQL - order by an array

I have 2 tables - course that contains id and name of the courses and tagCourse that contains tags for each course. ... ORDER BY ??? END.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - UNIQUE constraint controlled by a bit column

I have a table, something like FieldsOnForms( FieldID int (FK_Fields) FormID int (FK_Forms) isDeleted bit ) The pair ... one with isDeleted = 0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - Escaping strings containing single quotes in PowerShell ready for SQL query

I am trying to run the following query, which takes someone's name and attempts to insert it into an SQL Server ... t seem to find? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - SQLServer CASE expressions - short circuit evaluation?

I am trying to optimize a query that does something like this: SELECT ... CASE WHEN (condition) THEN (expensive ... or point me to a reference? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - MS ACCESS: How can i count distinct value using access query?

here is the current complex query given below. SELECT DISTINCT Evaluation.ETCode, Training.TTitle, Training.Tcomponent, ... please let me know See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - What does it mean to have jobs with a null stop date?

I had used the following SQL to list out all jobs without a stop date. I thought that I could use this to ... the jobs are not killed properly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Get every hour for a time range

So what I am trying to is generate all the hours that are inside a specific time range. So given the ... the hours against other times) Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server 2008 - SQL query that distinguishes between ß and ss

It seems that ?=ss in SQL. I need to be able to distinguish on a strict charcter equivalent basis. i.e ... . Any help would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - android.database.sqlite.SQLiteException: table X has no column named Y: , while compiling: INSERT INTO

this is my error in console : 11-29 19:06:50.295: E/AndroidRuntime(333): android.database.sqlite.SQLiteException: ... HELP PLEASE .. THANKS... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

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sql server - In SSIS, how do I get the number of rows returned from the Source that SHOULD be processed

I am working on a project to add logging to our SSIS packages. I am doing my own custom logging by implementing ... way to do this? Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Is ORDER BY and ROW_NUMBER() deterministic?

I've used SQL in couple databases engines from time to time several years but have little theoretical ... on different ordering mechanism? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - PHPMyAdmin - Total record count varies

I am running a request on a table of records with phpmyadmin, and the results count varies. For example, ... this an issue with phpMyAdmin? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - What happens with duplicates when inserting multiple rows?

I am running a python script that inserts a large amount of data into a Postgres database, I use a single ... that specific row and move on? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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sql - Generate_series in Postgres from start and end date in a table

I have been trying to generate a series of dates (YYYY-MM-DD HH) from the first until the last date in a ... from date2) as foo Postgres 9.3 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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412 views

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sql - Change separator of WM_CONCAT function of Oracle 11gR2

Normally, WM_CONCAT is an aggregate function that return values from table separated by comma like here. Suppose ... executed like WM_CONCAT()? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

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sql - Generating dates between two dates

I need to generate all dates between two given dates. This works fine as long as there is just one date range. ... 11 2013 102 May, 12 2013 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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