database connection

New to coding mga master I just develop an app for smart schedule mobile medio nahihirapan kasi ako sa SQl database since nakita ko yung NoSql type na database eh akala ko madali lang medio mahihirapan din pala ako. gusto ko po mag paturo kahit kaunti lang sa mga maya nakaka alam hehe kahit...

mga paps pano ikonek ung Database dito example nag login ako using metamask or other wallet tpos yung backend ko laravel pano ko ise-send ung post request sa login? di ko ma call ung getWalletInfo() pag connect ng wallet eh pa help im using Laravel pwede din html + javascript lang kung...

✅Connect to a MySQL Database with Java ✅Submit SQL statements to insert, update, and delete data. ✅Handle SQL parameters with Prepared Statements. ✅Calls stored procedures and handle various parameter types (IN, INOUT etc..) ✅Read and write BLOB and CLOB data files. ✅Configure your database...

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Error establishing a database connection how to Fix this po? panu po yan? di kasi makabasa ng mga Novel sa sonicmtl , at di rin maka access sa mangafreak ,salamat po sa sasagot

########################################################################################## SHIPMENT (I just copy the formula of Purchase Order, I just need a new database to store the Shipment but it always saving in the Purchase Order while I'm in Shipment) <?php...

I need some help po rito sa gawa nito kasi nalilito pa rin po ako sa ganitong problem till now.

Pano gawin yung winforms na nakaconnect sa data base mga master? Ayaw kasi magrun . Win11 laptop ko. Ayoko kasi magdowngrade . hp 8gb ram 64bit win11 Eto device kong gamit

Mga master patulong naman di namin kc mabuksan kahit ung email na ni log in namin... need feed back pleasss.....