sql - What are DDL and DML? - Stack Overflow
2010年4月5日 · DDL stands for Data Definition Language. DDL is used for defining structure of the table such as create a table or adding a column to table and even drop and truncate table. …
generate DDL script from SQL Server database - Stack Overflow
2017年1月9日 · How to generate DDL (with Foreign keys, indexes, etc.) script of all tables from SQL Server database using SQL (select/stored procedure/etc.)? i need everything except the …
sql - Do DDL statements always give you an implicit commit, or …
2009年4月8日 · DDL statements always performs auto commit,after the execution. If you want it to rollback in case of failure (in server side), then you can set certain flags to indicate the …
Is there a tool to generate a full database DDL for SQL Server?
2017年4月6日 · Using Toad for Oracle, I can generate full DDL files describing all tables, views, source code (procedures, functions, packages), sequences, and grants of an Oracle schema. …
O que são as siglas DDL, DML, DQL, DTL e DCL?
2017年12月14日 · Estava montando uma estrutura de permissões no banco (GRANT, REVOKE), quando achei este artigo e achei interessante compartilhar, ate mesmo para ter aqui no SOpt. …
Why is truncate a DDL statement? - Stack Overflow
2014年9月26日 · The table structure remains same after truncate statement and only records get deleted (with auto commit). Then what is the reason that truncate is a DDL statement ?
Why are SQL statements divided into DDL, DML, DCL and TCL …
2013年10月16日 · DDL (Data Definition Language) --> Used for defining data structures and schema like Create and Alter commands. DML (Data Manipulation Language) --> Used for …
How to generate entire DDL of an Oracle schema (scriptable)?
Can anyone tell me how I can generate the DDL for all tables, views, indexes, packages, procedures, functions, triggers, types, sequences, synonyms, grants, etc. inside an Oracle …
sql - How to get/generate the create statement for an existing hive ...
2013年8月8日 · Assuming you have "table" already in Hive, is there a quick way like other databases to be able to get the "CREATE" statement for that table?
ddl - SQL Column definition: default value and not null redundant ...
2017年5月17日 · DEFAULT is the value that will be inserted in the absence of an explicit value in an insert / update statement. Lets assume, your DDL did not have the NOT NULL constraint: …