In SQL, a value expression — sometimes known as ascalar expression— is any expression that will return a single value for every row to be updated. This could be a string literal, or a mathematical operation performed on existing numeric values in the column. You must include at least one...
Offers In-App Purchases Screenshots iPad iPhone Description Learn How to create and manage a database in SQL, this is the place to start! you will be rewarded with learning some very dry material,The classic SQL Query for iPad, iPhone and iPod touch. “SQL Query “is a perfect tool ...
Querying data from a specific date You can use the date and time functions to query an SQL database for records related to a specific date and time. For example, you can use the CURDATE() function in MySQL to get data with a date field value equal to the current date. Querying data ...
I am using DATAPART(..) function in SQL to query table. Now I have Day of the year which I want to convert to actual date and then return Here is the query SELECT COUNT(OrderStatus) AS OrderStatusCount, OrderStatus, DATEPART(DY,InvoiceDate) AS DATE FROM Invoices GROUP BY OrderStatus...
Add Time in SQL HH:MM:SS to another HH:MM:SS Adding a column to a large (100 million rows) table with default constraint adding a extra column in a pivot table created uisng T-SQL Pivot Table query Adding a partition scheme to an existing table. Adding a Value to a 'date' Co...
CASTis a built-in SQL conversion function that converts a value from one data type to another. You may use this function to convert a string to a date or extract a date from DATETIME. The syntax for theCASTfunction is as follows: ...
There are tons of ways to get the data from Excel worksheet. In this article I'm going to show You how to query Excel data using SQL in VBA.
In this post you'll learn how to: Store JSON in a database table Query a table for rows storing particular values within a JSON document Create indexes to find these rows efficiently Generate JSON from relational rows and columns If you prefer your content in slide form, here's my prese...
In SQL, aviewis a virtual table whose contents are the result of a specific query to one or more tables, known asbase tables. This guide provides an overview of what SQL views are and why they can be useful. It also highlights how you can create, query, modify, and destroy views usin...
1 The index operation waits for any uncommitted write transactions to complete before acquiring the S lock or the Sch-M lock on the table. If a long running query is taking place, the online index operation waits until the query has finished. Unless low priority locks are used, this might...