Category "sql"

How to pass multiple values into one parameter in stored procedure (Oracle)

I have a parameter created for a stored procedure looking to allow user to pass in multiple inputs. create procedure sp1 (p1 in varchar2) as begin select proc

How to test an SQL Update statement before running it?

In some cases, running an UPDATE statement in production can save the day. However a borked update can be worse than the initial problem. Short of using a test

CREATE VIEW must be the only statement in the batch

I'm trying to make a view. So far, I have written this: with ExpAndCheapMedicine(MostMoney, MinMoney) as ( select max(unitprice), min(unitprice) from

get latest record for each ID

I would like to get the latest record for each server. Here is some example data: TimeGenerated SourceName ComputerName Message 2014-11-22

get latest record for each ID

I would like to get the latest record for each server. Here is some example data: TimeGenerated SourceName ComputerName Message 2014-11-22

Drop default constraint on a column in TSQL

I have a table with a column like this that is currently live: name NVARCHAR(128) NOT NULL DEFAULT '' I am altering the column like this to make it nullable:

MySQL to update an XML attribute

In data load, it seems some XML attributes mapped incorrectly and I'm now trying to correct this, but am struggling with MySQL's handling of this XML column. I

How to convert timestamp with milliseconds to date in Oracle

I have MSSTAMP as "timestamp with milliseconds" in Oracle, format: 1483228800000. How can I cast that milliseconds timestamp into a date format "YYYY-MM", in or

Rounding off to two decimal places in SQL

I need to convert minutes to hours, rounded off to two decimal places. I also need to display only up to two numbers after the decimal point. So if I have minut

Error Code: 1822. Failed to add the foreign key constaint. Missing index for constraint

I found some threads about the error. But all the solutions doesn't work for me. I created 2 tables a user table and one for articles. Now I want to store the

sqlsrv_num_rows() expects parameter 1 to be resource, boolean given

Having an issue with sqlsrv_query. This is the error I get: PHP Warning: sqlsrv_num_rows() expects parameter 1 to be resource, boolean given Here is the relev

mysqldump with --where clause is not working

mysqldump -t -u root -p mytestdb mytable --where=datetime LIKE '2014-09%' This is what I am doing and it returns: mysqldump: Couldn't find table: "LIKE"

SQL query to determine that values in a column are unique

How to write a query to just determine that the values in a column are unique?

Update a column value, replacing part of a string

I have a table with the following columns in a MySQL database [id, url] And the urls are like: http://domain1.com/images/img1.jpg I want to update all

Correct use of transactions in SQL Server

I have 2 commands and need both of them executed correctly or none of them executed. So I think I need a transaction, but I don't know how to use it correctly.

How to insert into a table that specifies a DEFAULT value for every column?

I have a table where all columns are auto-populated whenever an insertion happens: CREATE TABLE … ( ItemID INT NOT NULL IDENTITY(…

In SQL how to count the number of result?

I'm having the following SQL DB: DB name: films DB fields: id, title, release_year, country, duration, language, certification, gross, budget I'm trying to

Auto increment table column

Using Postgres, I'm trying to use AUTO_INCREMENT to number my primary key automatically in SQL. However, it gives me an error. CREATE TABLE Staff ( ID

Run xp_create_subdir without admin privilidges

The Point: I want to be able to create a directory on the filesystem through a non-sysadmin SQL user. I'm creating a web front-end for a deployment script whi

PostgreSQL asking for 'group by' clause in where, when sending parameters

I have a simple query in PostgreSQL which is ok when I run it without any query parameters : select date_trunc('week', action_time),count(*) from event