Schemas logically group tables, procedures, views together. All employee-related objects in the employee schema, etc. You can also give permissions to just one schema, so that users can only see the schema they have access to and nothing else.
schema -> floor plan database -> house table -> room
Create Schema : IF (NOT EXISTS (SELECT * FROM sys.schemas WHERE name=”exe”)) BEGIN EXEC (‘CREATE SCHEMA [exe] AUTHORIZATION [dbo]’) END ALTER Schema : ALTER SCHEMA exe TRANSFER dbo.Employees
Some more answers to your questions: 1) You’re pretty much on target for someone who is approaching a problem like this for the first time. I think the pointers from others on this question thus far pretty much cover it. Good job! 2 & 3) The performance hit you will take will largely be dependent … Read more
After some research, I think the best answer is Xerces, as it implements all of XSD, is cross-platform and widely used. I’ve created a small Java project on github to validate from the command line using the default JRE parser, which is normally Xerces. This can be used on Windows/Mac/Linux. There is also a C++ … Read more
Here is a link to the official docs which include the main points in this answer: android.database.sqlite package-level javadoc Kotlin code to get framework SQLite version (tip: just stick a breakpoint in your Activity onCreate() and use this code in Evaluate Expression…): val version = android.database.sqlite.SQLiteDatabase.create(null).use { android.database.DatabaseUtils.stringForQuery(it, “SELECT sqlite_version()”, null) } “Framework (API ${android.os.Build.VERSION.SDK_INT}) … Read more
ALTER SCHEMA TargetSchema TRANSFER SourceSchema.TableName; If you want to move all tables into a new schema, you can use the undocumented (and to be deprecated at some point, but unlikely!) sp_MSforeachtable stored procedure: exec sp_MSforeachtable “ALTER SCHEMA TargetSchema TRANSFER ?” Ref.: ALTER SCHEMA SQL 2008: How do I change db schema to dbo
As defined in the MySQL Glossary: In MySQL, physically, a schema is synonymous with a database. You can substitute the keyword SCHEMA instead of DATABASE in MySQL SQL syntax, for example using CREATE SCHEMA instead of CREATE DATABASE. Some other database products draw a distinction. For example, in the Oracle Database product, a schema represents … Read more
Using SQL Server: SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = ‘yourSchemaName’ AND TABLE_NAME = ‘yourTableName’ AND COLUMN_NAME = ‘yourColumnName’
For formatted output: describe [db_name.]table_name; For an SQL statement that can be used to create a table: show create table [db_name.]table_name;