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EXEC sp_rename '±íÃû.[ÔÁÐÃû]', 'ÐÂÁÐÃû', 'column'
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Transact-SQL ²Î¿¼
sp_rename
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A. ÖØÃüÃû±í
ÏÂÀý½«±í customers ÖØÃüÃûΪ custs¡£
EXEC sp_rename 'customers', 'custs'
B. ÖØÃüÃûÁÐ
ÏÂÀý½«±í customers ÖеÄÁÐ contact title ÖØÃüÃûΪ title¡£
EXEC sp_rename 'customers.[contact title]', 'title', 'COLUMN'
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sp_renamedb [ @dbname = ] 'old_name' , [ @newname = ] 'new_name'
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INSTANTIABLE¹Ø¼ü×Ö±íʾÎÒÃÇ¿ÉÒÔ´Ó¸ÃÀàÐÍÖÐʵÀý»¯»òÕß´´½¨¶ÔÏ ......
--1¼ÓÄÚ´æ±í
EXEC sp_tableoption '±íÃû','pintable', 'true'
--2Ð¶ÔØÄÚ´æ±í
EXEC sp_tableoption '±íÃû','pintable', 'false'
--2²éѯÊÇ·ñÓÐÄÚ´æ±íפÁô
SELECT * from INFORMATION_SCHEMA.Tables
WHERE TABLE_TYPE = 'BASE TABLE'
AND OBJECTPROP ......
Oracle SQL(partI)
Data manipulation language(DML): select, insert, update, delete, merge.
Data definition language(DDL): create, alter, drop, rename, truncate, comment
Data control language(DCL): grant, revoke
Transaction control: commit, rollback, savepoint
Arithmetic Expressions:
+, -, *, / ......
Confirming granted privileges
Data Dictionary View Description
ROLE_SYS_PRIVS System privileges granted to roles
ROLE_TAB_PRIVS & ......
Differring Constraints:
Constraints can have the following attributes: DEFFERRABLE / NOT DEFFERRABLE, INITIALLY DEFFERRED / INITIALLY IMMEDIATE.
e.g.:
alter table dept2 add constraint dept2_id_pk primary key (department_id) deferrable initially deferred; // deferring constraint on creation. ......