Αποτελέσματα Αναζήτησης
ALTER TABLE statement. Modifies a table definition or disables dependent views. ALTER TABLE [owner.] table-name { alter-clause, ... alter-clause : ADD create-clause . | ALTER column-name column-alteration . | ALTER [ CONSTRAINT constraint-name ] CHECK ( condition ) . | DROP drop-object . | RENAME rename-object . | table-alteration.
- Drop Table Statement
DROP TABLE [ IF EXISTS] [ owner.]table-name. Remarks. When...
- Strings
A string can occur in SQL: as a string literal. A string...
- Alter Materialized View Statement
If you alter a materialized view owned by another user, you...
- Backup Statement
The BACKUP statement performs a server-side backup. To...
- Global Variables
Name of the language in use by the connection....
- Sa_Reset_Identity System Procedure
The next identity value generated for a row inserted into...
- Special Values
Special values can be used in expressions, and as column...
- SQL Data Types
SQL data types Character data types Numeric data types Money...
- Drop Table Statement
alter table table_name drop partition partition_name [, partition_name]... Parameters table_name. is the name of the table to change. Specify the database name if the table is in another database, and specify the owner’s name if more than one table of that name exists in the database.
13 Μαΐ 2014 · The ALTER TABLE statement changes table attributes (column definitions and constraints) in a table that was previously created. The syntax allows a list of alter clauses; however, only one table constraint or column constraint can be added, modified, or deleted in each ALTER TABLE statement.
6 Οκτ 2008 · You can use the following command to rename the column of any table in SQL Server: exec sp_rename 'TableName.OldColumnName', 'New colunmName'
To rename a column in a table, use the following syntax: ALTER TABLE table_name. RENAME COLUMN old_name to new_name; To rename a column in a table in SQL Server, use the following syntax: SQL Server: EXEC sp_rename 'table_name.old_name', 'new_name', 'COLUMN'; ALTER TABLE - ALTER/MODIFY DATATYPE.
ALTER TABLE changes the structure of a table. For example, you can add or delete columns, create or destroy indexes, change the type of existing columns, or rename columns or the table itself. You can also change characteristics such as the storage engine used for the table or the table comment.
Usage. Component Integration Services processes the alter table command when the table on which it operates has been created as a proxy table. Component Integration Services forwards the request (or part of it) to the server that owns the actual object.
