Insert data and if already inserted then update to sql

Insert or update T-SQL

I have a question regarding performance of SQL Server. Suppose I have a table persons with the following columns: id, name, surname. Now, I want to insert a new row in this table. The rule is the following: If id is not present in the table, then ins

Solutions for INSERT OR UPDATE on SQL Server

Assume a table structure of MyTable(KEY, datafield1, datafield2...). Often I want to either update an existing record, or insert a new record if it doesn't exist. Essentially: IF (key exists) run update command ELSE run insert command What's the best

Is the insertion or update of SQL Server timestamp column explicitly possible?

Is there any way to provide an explicit value for time stamp column in a table in SQL server? I am aware it is not datetime column but I want to know whether there is any way to insert or update it explicitly.You cannot insert/update to timestamp col

Conversion failed when converting the date and / or time of the string to SQL

I have the following columns in my table: year decimal(4,0) month decimal(2,0) day decimal(2,0) and I am trying to convert them as below: SELECT (CAST (CAST(year AS varchar(4)) +CAST(month AS varchar(2)) +CAST(day AS varchar(2) ) AS date ) ) AS xDate

Trigger to select data from another table, and then update them in the current SQL Server table

Please help me, I have a simple case that makes me little crazy, I have a table called PRODUCTS here is the structure create table PRODUCT ( ID_PRODUCT CHAR(5) primary key not null, NAME_PRODUCT CHAR(30), PRICE_PRODUCT integer ) then the second table

Triggering mysql that triggers on INSERT or UPDATE?

Is there a way to create MySQL trigger which triggers on either UPDATE or INSERT? Something like CREATE TRIGGER t_apps_affected BEFORE INSERT OR UPDATE ... Obviously, the above don't work. So, any workarounds without creating two separate triggers? I

Compare date and; Time class in another JAVA class

so earlier this year I was given an assignment at university. The assignment was to create a Car park management system by using OOP procedures. For example, we learnt how to use inheritance, abstract classes and instances. I have already completed a

How to get the default value for the date and time of Formtastic?

I am using Formtastic 1.2.3. I want the current date and time already to be selected when the form is loaded. I tried many combinations with :default or :selected, but none worked. Even from the github page of Formtastic I can't get information on th

Terminology: how to say that a program has more data than instructions when the notion of data and instruction can not be separated?

This is a question about terminology. I use ARM as an example since it's the only assembly I'm familiar with but am looking for more general answers. Basically I'm having trouble distinguishing between an instruction, data and opcodes. I red that GPU

How to enter the date and time in the log file

I have one daemon written in C. I am logging the events in a log file, but now I want to add date and time while writing event to log file. How can I achieve that? Current log file:- Event one occurred: result: Event two occurred: result: I want the

Concatenation of date and time fields

I have a table invoices with this fields: invDate -> a date field invTime -> a time field I need to do querys like SELECT top 10 * from invoices WHERE DATETIME(invDate+invTime) BETWEEN DATETIME('2013-12-17 17:58') AND DATETIME() or something like th

comparing data from two different mysql tables inserts new data and updates the data that does not match

i'm trying to compare data from different tables, insert new data, and update the data that don't match. Example: I have table1 ------------------------------------ | ITEMNO | DESCRIPTION | FORSALE | ------------------------------------ | 123456 | De

Insert in temporary table and then update

I use a temp table to insert data that will be later on updated. For example: SELECT Name, Address, '' as LaterTobeUpdateField INTO #MyTempTable FROM OriginalTable Then I update the temp table UPDATE #MyTempTable SET LaterTobeUpdateField = 'new text'

Insert and if there is already update the SQL columns INSERT INTO users (firstname, lastname, email, mobile) VALUES ('Karem', 'Parem', '[emailprotected]', '123456789'); This what i would like to do, but if a row with the same email[emailprotected] already exists, then it should update that row with these val