How to query data in two databases at the same time in mysql: first open the editor sublime and create a new function chaxun; then connect to the database, fill in the user name, password, host name of the database and the database to be used; then fill in Query the sql statement; finally open the local server and enter the URL for access testing.
How to query data in two databases at the same time in mysql:
1. Open the PHP editor sublime , create a new file and write comments.
#2. Create a new function chaxun.
#3. Connect to the database and fill in the database username, password, host name and the database to be used.
#4. Fill in the sql statement of the query. select * from test1.
#5. Read the queried data. The function we use here is fetch_assoc.
6. Call this function.
#7. Open the local server and enter the URL to test access.
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