How many tables can we have in a database?
You can create up to 2,147,483,647 tables in a database, with up to 1024 columns in each table. When you design a database table, the properties that are assigned to the table and the columns within the table will control the allowed data types and data ranges that the table accepts.
Is a database just a table?
A database consists of one or more tables. Each table is made up of rows and columns. If you think of a table as a grid, the column go from left to right across the grid and each entry of data is listed down as a row. Each row in a relational is uniquely identified by a primary key.
How many tables is too many in a SQL Server database?
(BI people: I’m looking at you with all your DimSomething and FactSomething tables too). If the reason is that you think the limit on tables isn’t that high, you’re just wrong. The number of tables is limited only by the number of database objects, currently 2, 147, 483, 647.
Is it possible to have 1 million rows in a database?
If you mean 1 million rows, then it depends on how your indexing is done and the configuration of your hardware. A million rows is not a large amount for an enterprise database, or even a dev database on decent equipment. if you mean 1 million columns (not sure thats even possible in MySQL) then yes,…
Can you hold too many records in MySQL?
Assuming you mean “records” by “registers” no, it’s not too much, MySQL scales really well and can hold as many records as you have space for in your hard disk. Obviously though search queries will be slower.
How many rows can I wait on ALTER TABLE statement?
How much pain you can tolerate waiting on ALTER TABLE statements. If you mean 1 million rows, then it depends on how your indexing is done and the configuration of your hardware. A million rows is not a large amount for an enterprise database, or even a dev database on decent equipment.