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In this guide, I’ll start with a discussion of SQL tuning and the basics of why it’s important; then I’ll set out six best practices for query tuning in Oracle, and how to make SELECT query faster in Oracle. This includes usingSolarWinds®Database Performance Analyzer (DPA)or a s...
The obvious answer is to look at the SQL Server query execution time, but that alone isn’t always enough to determine that there is or isn’t an improvement – or if that new index is helping. If the query was already finishing in a second or 2 that just isn’t enough precision to...
1. Determine what version of SQL Server you have and double-click the link below to download the zip file of SQL templates. In the zip file, click on the TRACETMPL folder and double-click on the .tdf file for your version and SQL Profiler will auto...
SQL Server How to make this query faster: TOP N over TOP 1 in past + all in futureI don'...
Ok! We have a solid understanding of the basics of “SQL Query” and we are proficient in “SQL Query ”. What is the next step? Well, it’s SQL Query But wait... Hold on! Before we make that leap, let’s put our learning hats back on and learn the fundamentals of SQL Qu...
A Brief on the SELECT Query in SQL The Select query in SQL is one of the most important commands in SQL, and it is used to get data from a table. Syntax SELECT column1, column2, columnN<br> FROM tablename;<br> where SELECT and FROM are the keywords; column1 to columnN are a ...
How to make SQL stand for string query language - Grahne, Waller - 2000 () Citation Context ... a number of completeness results. In [14] arbitrary regions (substrings) can be queried; this, when coupled with relational calculus, gives the power of string concatenation. Closer to our ...
This is an SQL Minute on using a Single Quote in a SQL Query Transcript: Welcome to another essential SQL Minute. In this episode, we’re going to learn how to include a single quote in a SQL query. So when we’re creating queries that contain text, we use the single quote character...
You can use your union query, and you don't need the left joins to make a null result set. As mentioned, add another column to identify the queries in the results and then modify your code to check for the specific results. For example, since you mention needing them in a particular ...