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I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 ...
How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.
How to Check for Duplicates Before Inserting Into SQL. When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present ...
You have a SQLite table named {table_name} with the following schema: ``` {schema} ``` The first rows look like this: ```{rows_sample}``` Based on this data, write a SQL query to answer the ...
SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...
An easy way to check SQL ... And now all you’ve gotta do is save it in your centralized table and write a simple query because all of ... 10 more do’s and don’ts for faster SQL queries. Sep ...
SQL is the leading language for developing and querying databases, but it has a few quirks.In my last article, I shared 7 SQL mistakes to avoid.Now, let’s take a look at 9 best practices for ...
SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.
Effectively, those methods can become just thin wrappers around SQL queries. If you want to play with SQL Server’s JSON support (or the other big new feature in SQL Server 2016, temporal tables), you ...