#sqlprotip 搜尋結果
#SQLProTip: Use the "EXPLAIN" command to view the estimated execution plan of your SQL query and optimize it accordingly. #programming
#SQLProTip: Always back up your database before altering its structure, as deleting data can cause permanent data loss. #Programming
#SQLProTip - Remember all column names must be enclosed in single quotation marks when you use them in the SELECT clause. #Programming101
#SQLProTip: Always make sure to learn how to use built-in JSON functions in your databases. Your queries will be much faster and more readable!
#SQLProTip: Try to avoid subqueries if possible. Instead, use JOINs to link tables together to get the data you need. #programming #sql
#SQLProTip: Use subtotals with the ROLLUP operator to group the query to show the highest numbers in each group of the columns you specify. #Coding #SQL #Programming
#SQLProTip: Don't forget to use indexes on your tables. They can drastically improve query performance and scalability! #SQL #Programming
Make sure you have unique constraints on lookup tables #sqlprotip #sqlbits
#SQLProtip Pro Tip 1: Do NOT make a logon trigger with an execute as and then DROP the user by which it executes. Nuh uh.... oops
When you use the Except functionality and one result set is a billion rows, things are going to take a little while #SQLProTip #OneToGrowOn
@tameraclark #SQLProTip? I trhink You are on to something make it so :) #JustTheTip
#ProTip #SQLProTip In #SQLServer, taking a database offline will either take 1 second or 6.5 months. You have no way of knowing which one you'll get.
Pro Tip: Give all users full control to the master database. that's the only place they run their queries anyways #sqlprotip
When dividing column x by col Y, always* wrap with a NULLIF unless col Y has a > 0 Check Constraint #sqlProTip *YMMV
#ProTip #SQLProTip In #SQLServer, taking a database offline will either take 1 second or 6.5 months. You have no way of knowing which one you'll get.
#SQLProtip Pro Tip 1: Do NOT make a logon trigger with an execute as and then DROP the user by which it executes. Nuh uh.... oops
Pro Tip: Give all users full control to the master database. that's the only place they run their queries anyways #sqlprotip
When you use the Except functionality and one result set is a billion rows, things are going to take a little while #SQLProTip #OneToGrowOn
@tameraclark #SQLProTip? I trhink You are on to something make it so :) #JustTheTip
Make sure you have unique constraints on lookup tables #sqlprotip #sqlbits
When dividing column x by col Y, always* wrap with a NULLIF unless col Y has a > 0 Check Constraint #sqlProTip *YMMV
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