oracle sql keywords list

Oracle Database (ORA-02270: the unique or primary key mismatch for this list) problem was just encountered when writing an oracle database. You cannot find the answer you want on the Internet. I keep thinking about these words. Then, remind me by friends in the group. It turns out that foreign key tables lack unique constraints. Example: www.2cto.com foreign key

Tags: lex des line import exe script value cat HTTPSNote: This article is from the shenzhen gg java How to pass a list to Oracle stored procedure One: a PL/SQL array is built on the database side. 1 CREATE OR REPLACE TYPE Tables_array as Varray (+) of VARCHAR2 (+); 2 3 drop table test purge; CREATE TABLE test 5 ( 6 name VARCHAR2 (+) 7 ); 9 10

How Java passes a list to an Oracle stored procedure. Examples include the following:An array of PL/SQL is built on the database side.CREATE OR REPLACE TYPE Tables_array as Varray (+) of VARCHAR2 (+);d ROP table Test purge;create table Test ( name Varc HAR2 (+)); Create or replace procedure T_list_to_p (arr_t in Tables_array) Isbegin for i in Arr_t.first: Arr_t

How Java passes a list to an Oracle stored procedure, as in the following example:An array of PL/SQL is built on the database side.CREATE OR REPLACE TYPE Tables_array as Varray (+) of VARCHAR2 (+);d ROP table Test purge;create table Test ( name Varc HAR2 (+)); Create or replace procedure T_list_to_p (arr_t in Tables_array) Isbegin for i in Arr_t.first: Arr_t.la

I. Description Oracle provides a profiler toolkit that allows you to view the performance of each module during PL/SQL Execution. You can download this script from MOS: Implementing andusing the PL/SQL profiler [ID 243755.1] You can also download it from my csdn: Http://download.csdn.net/detail/tianlesoftware/4051100 When there is asignificant gap between user

/*** Execute Stored procedure (currently only supports returning one cursor) nevernull** @param sql* executed statements * @param index* subscript of the current cursor * @param obj * parameters (used to replace the? in SQL statements) * @param rop* Register the output parameters of Oracle (note that if the subscript is 1, the input parameter is 2 output parame

In oracle11g, Oracle has a lot of security improvements, and in terms of network permissions control, there is a new concept called ACL (Access control List), which is a fine-grained permission control. Before the ACL, we have some packages, such as Utl_mail, UTL_SMTP and so on, you can use these packages to connect to external hosts, and by default, these packages are all assigned to the public role, so th

data rollback failed!") ");}}Log.error ("Cleanup data failed with error message:" +ex.getmessage ());} finally {if (null! = conn) {try {Conn.close ();} catch (SQLException se) {Log.error ("Clean data, shut down database failed!");}}} The second type: in a separate query The amount of data in the SQL must not exceed 1000Workaround:For exampleSelect * FROM table_name where col in (' col1 ', ' col2 ' ...)If the item in the back is too large, this error

oracle| function Pl/sql single-line functions and Group functions A function is a program that has 0 or more parameters and has a return value. In SQL, Oracle builds a series of functions that can be called SQL or PL/SQL statemen

single-row function, all rows are known during parsing. Due to this difference, the requirements and behaviors of group functions and single-row functions are slightly different. 　　Group (multiple rows) Function Compared with single-row functions, Oracle provides a wide range of group-based, multi-row functions. These functions can be used in select or select having clauses. They are often used together with group by when used for select substrings.

language • ANSI standard • keywords cannot be abbreviated • use statements to control the definition information of tables in the database and data SQL * Plus • an environment • one of the features of Oracle • keyword can be abbreviated • command cannot change the value of data in the database • run in a centralized manner • use

following line:Define_editor = vi F. Run the command fileSQL> Start testSQL> @ Test Common SQL * Plus statementsA. create, modify, and delete tablesThe command format for creating a table is as follows:Create Table Name (column description list ); The command to add a new column to the base table is as follows:Alter table table name Add (column description list