Recent questions tagged SQL

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sql server - Python multiprocessing and database access with pyodbc "is not safe"?

The Problem: I am getting the following traceback and don't understand what it means or how to fix it: ... child process is fully created. 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 - ANSI SQL version of SELECT TOP 1

Is there an ANSI SQL compliant version of SQL SERVER's SELECT TOP n? 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 - Create trigger prevent insert

I'm trying to execute the following trigger: create trigger t23 on studies after insert, update, delete as begin ... me in the right direction? 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 - Convert SQL geography to C#

What is the C# equivalent of this geospatial T-SQL code? DECLARE @g geography; DECLARE @h geography; SET @g ... to achieve equivalent C# code. 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 - Scripting setup of database mail

I've used the SQL Server 2008 GUI to set up database mail profiles & accounts on my test server, and I'd ... to generate a script to do this? 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 - Bit-flipping operations in T-SQL

I have a bitmasked int field in my database. Usually I manage it through C# code, but now I need to flip a bit ... 's missing in T-SQL, right? 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 r2 - Referencing a calculated column in the where clause SQL

This line of code is a snippet from my select statement. frdFreedays - DateDiff(dd,conReceiptToStock,GetDate() ... this Freedays <= @intFreeDays 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 - native insert query in hibernate + spring data

I try to add the following code to a spring data jpa repository: @Query("insert into commit_activity_link (commit_id, ... ] Where am I wrong? 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 do I iterate through the values of a row from a result set in java?

The result set I'm speaking of this: http://docs.oracle.com/javase/1.4.2/docs/api/java/sql/ResultSet.html ... is a variable, not a literal. 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 - Is there anyway to reset the identity of a Table Variable?

Say I have a table variable: DECLARE @MyTableVar TABLE (ID INT IDENTITY(1,1), SomeData NVARCHAR(300 ... | |___________|_________________| See Question&Answers more detail:os...

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

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557 views

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sql server - Maximum Connection Pool Size

I came across below text while reading about Database Connection pool properties: The maximum pool size property ... Oracle/SQL Server?) See Question&Answers more detail:os...

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

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727 views

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sql server - Invoke-SqlCmd doesn't return long string?

For the following code $sql = "select ..... for xml path('row')" # returns a long xml file $x = ... sure the full long string is returned? 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 - Remove dots and commas from column values

I am using SQL Server 2008 I migrated some data from MySql; the migration of data was successful but some ... these characters from my data? See Question&Answers more detail:os...

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

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529 views

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sql server - No fields for dynamic SQL stored procedure in SSRS with SET FMTONLY

I have the following SP which works correctly when ran on its own: USE [Orders] GO SET FMTONLY OFF; CREATE ... ? How can I resolve that? 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 - JSON without array wrapper on lower levels

All I try to get is a simple SQL statement to build: {"status":{"code":404,"message":"Not found"},"otherthing" ... , sure, but I can not for-see See Question&Answers more detail:os...

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

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526 views

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sql - Any performance impact in Oracle for using LIKE 'string' vs = 'string'?

This SELECT * FROM SOME_TABLE WHERE SOME_FIELD LIKE '%some_value%'; is slower than this SELECT * FROM SOME_TABLE WHERE ... ever use "=" ? See Question&Answers more detail:os...

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

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568 views

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sql server - Using temp table with exec @sql in stored procedure

I have a stored procedure and part of them as below: @DRange is a incoming varchar value declare @sql varchar(max ... did I do something wrong? See Question&Answers more detail:os...

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

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614 views

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sql - Get the number of affected rows in a MySQL update statement?

I have stored procedure in MySQL, something like the below: create procedure SP_Test (input1 varchar(20)) begin ... changed by this update? See Question&Answers more detail:os...

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

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594 views

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sql - Do I need to call rollback if I never commit?

I am connecting to a SQL Server using no autocommit. If everything is successful, I call commit. Otherwise, ... explicitly commit or rollback. See Question&Answers more detail:os...

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

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955 views

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sql - Does SQLite support SCOPE_IDENTITY?

I'm trying to perform a simple INSERT and return the identity (auto-incrementing primary key). I've tried ... "thread-safe") alternatives? See Question&Answers more detail:os...

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

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547 views

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sql server - get new SQL record ID

How can I get back the autogenerated ID for a new record I just inserted? (Using ASP classic and MSSQL 2005) See Question&Answers more detail:os...

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

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530 views

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sql server - How to add more OR searches with CONTAINS Brings Query to Crawl?

I have a simple query that relies on two full-text indexed tables, but it runs extremely slow when I have the ... '"*fa*"') Execution Plan: See Question&Answers more detail:os...

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

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774 views

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sql - UNNEST function in MYSQL like POSTGRESQL

Is there a function like "unnest" from POSTGRESQL on MYSQL? Query (PSQL): select unnest('{1,2,3,4}'::int[]) ... _____| 3 | _____| 4 | _____| See Question&Answers more detail:os...

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

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502 views

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sql - SQLite3 Simulate RIGHT OUTER JOIN with LEFT JOINs and UNION

I have the following select statement where I need to sum each task from table tbTasks and group them by projectId ... way to achieve my goal? See Question&Answers more detail:os...

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

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696 views

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sql - MySql count() to return 0 if no records found

I have a set of posts on monthly basis. Now i need an array which contains total records of posts posted in each month. I ... ---------------+ See Question&Answers more detail:os...

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

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569 views

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sql - Return id if a row exists, INSERT otherwise

I'm writing a function in node.js to query a PostgreSQL table. If the row exists, I want to return the id column ... 't seem to get it to 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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1.2k views

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sql - Does Liquibase support dry run?

We have couple of data schemas and we investigate the migration to Liquibase. (One of data schemas is already ... our schemas. Please help. See Question&Answers more detail:os...

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

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654 views

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sql server - Serilog.Sinks.MSSqlServer not filling custom columns

I've looked around, but I could not find a working solution, and since all examples look alike I assume it must ... 'ernst' order by id desc; See Question&Answers more detail:os...

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

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