This is probably the best youtube channel to learn SQL. Hats off to you. Please keep uploading this kind of videos.
@TheMagicofSQL2 жыл бұрын
Thanks - you're welcome! Any particular topics you'd like to see covered?
@bestjokesever2122 жыл бұрын
@@TheMagicofSQL I would like to see more videos on best practices, pitfalls, common misconceptions, tips and tricks. In general anything that will help a person working with data.
@TheMagicofSQL2 жыл бұрын
Thanks for the suggestions - I'll bear these mind You might be interested in Ask TOM Office Hours. I've got many recordings that go deeper into specific topics - view these at asktom.oracle.com/pls/apex/f?p=100:570::::570::&cs=3VZVK8QMmqbvOYw3a1sJ6prq9ttSBgOFNRp03H72Gakn3zIK0ia2L36ZTxzapknIEUgCxwM50hH7wlvI14i1ONg
@debpatro5 жыл бұрын
Does the merge query works effectively while processing large volumes of data?
@TheMagicofSQL5 жыл бұрын
It only scans the rows in the source and target tables once. So generally it'll be at least as effective as any other solution And, as discussed in the video, it's often much faster than a correlated update.
@vincentenrouelibre2 жыл бұрын
Thank you so much, this is a life-saver 🙏
@staykings694315 күн бұрын
Thanks for this 💱
@venkateshv-x2l Жыл бұрын
will you suggest for single statement for insert and update using oracle ?
@TheMagicofSQL Жыл бұрын
Merge as explained in this video
@TheNanamimijojo4 жыл бұрын
hi sir i have question i have two daya base have big data want to put data in data base 1 into data base 2 there are 20 table and the two data base have same keys and relation ship
@TheMagicofSQL4 жыл бұрын
I'm not sure what it is you're trying to do. Please make a complete example (create tables, inserts) and post it on asktom.oracle.com and we'll see what we can do to help
@JanaSainik_jsp3 жыл бұрын
All of sudden performance decreased, we didn't change any code . Even DBA unable to trce the issue. Pls suggest cuases
@TheMagicofSQL3 жыл бұрын
There are a huge number of possible reasons; Jonathan Lewis has catalogued many at jonathanlewis.wordpress.com/2013/12/23/plan-changes/
@mohamadrezamotaghi74276 жыл бұрын
THAT WAS GREAT, THANKS
@TheMagicofSQL6 жыл бұрын
Thanks, glad you liked it :)
@rohitkumar-nk6sd2 жыл бұрын
Hi iam getting error when iam running in postgresql what to do help me out
@TheMagicofSQL2 жыл бұрын
I specialize in Oracle Database; if you need help with PostgreSQL you'll need to find another forum. Note PostgreSQL doesn't support MERGE yet; if you're trying to do this you'll need to use another method to upsert the data.
@Pluto1026 жыл бұрын
Can you make few videos on MATCH RECOGNIZE
@TheMagicofSQL6 жыл бұрын
Patience! It's on my to-do list; it'll be a while before I can produce one