Αποτελέσματα Αναζήτησης
You can use the RENAME statement to rename an existing table. To rename columns, use the ALTER TABLE statement.
- RENAME
Description. TABLE source-table-name. Names the existing...
- RENAME
Description. TABLE source-table-name. Names the existing table that is to be renamed. The name, including the schema name, must identify a table that already exists in the database (SQLSTATE 42704).
To change the name of an existing table to a new one, you use the RENAME TABLE statement. Here is the syntax of the RENAME TABLE statement: RENAME TABLE table_name TO new_table_name; Code language: SQL (Structured Query Language) ( sql )
8 Μαρ 2019 · Use an ALTER TABLE statement. ALTER TABLE G31.TG31PDIX RENAME COLUMN RECORD_KEY TO RECORD_KEYY; This will only work if you use a version of DB2 that supports this feature.
Syntax Comparison: SQL Server vs MySQL. While conceptually similar, actual alter table syntax does vary across database engines. SQL Server: ADD column_name data_type. | DROP COLUMN column_name. | ALTER COLUMN column_name data_type. MySQL: ADD COLUMN column_name data_type. | CHANGE COLUMN old_name new_name data_type.
Names the existing index that is to be renamed. The name, including the schema name, must identify an index that already exists in the database (SQLSTATE 42704). It must not be the name of an index on a created temporary table or a declared global temporary table (SQLSTATE 42995).
2 Ιουλ 2015 · The strictest way possible, so that only filenames starting with file.pdb. followed by at least a digit will be renamed, using rename: rename -n 's/(file)(\.pdb)\.([0-9]+)/$1_$3$2/' * If the result is the expected one, remove the -n option: rename 's/(file)(\.pdb)\.([0-9]+)/$1_$3$2/' *
