employees values (5, 7000, 120, 'AD_DSFWR', 'Green', 'Rachel'); insert into employees values (6, 8000, 410, 'AD_AAAAA', 'Bing', 'Chanller'); create or replace package pkg_g1 as type type_cv is ref cursor; end; / create or replace function p_fun2(factor int) return pkg_...
The BULK COLLECT INTO clause can improve the performance of queries that reference collections. You can use BULK COLLECT INTO with tables of scalar values, or tables of %TYPE values. The PL/SQL block inExample 6-10queries multiple values into PL/SQL tables, with and without bulk binds. With...
How the PL/SQL Function Cache Works The very first time you execute the body of a result-cached PL/SQL function with a set of parameter values, the function will execute. The function will re-execute under the following circumstances: When the cached result for the parameter values is invali...
19) Since there are no sequences in MySQL, and the MySQL LAST_INSERT_ID() function only returns values on the last insert statement, change Oracle stmts like - SELECT SOME_SEQ.NEXTVAL FROM DUAL; To this in MySQL - SELECT MAX(SOME_COL) + 1 FROM SOME_TABLE; ...
10. Run and Debug PL/SQL Run Procedures, Functions, and Packages DBMS_OUTPUT Function return values OUT parameters Run PL/SQL dialog Specify run target Shows parameter information Generates editable PL/SQL block for populating parameters Full functioning debugger Control program execution(Step ...
其实网上已经有SQL*PLUS命令大全这方面的资料了,不过大都不完整,只覆盖了一些常用的命令,本着学习、实践的原则,也为了梳理、总结SQL*PLUS方面的知识,自己也整理了一份这方面的文档资料,不足之处还请大家多多指教。 ---1: HELP INDEX HELP 命令查询相关命令的信息。
An application can retrieve aREFCURSORtype from a PL/SQL stored procedure or function and pass it to another stored procedure or function. This feature is useful in scenarios where a stored procedure or a function returns aREFCURSORtype to the .NET application, and based on the application logic...
In this example, we have used the NTH_VALUE function multiple times to find different nth values in theemployeestable. Second Lowest Salary for all Employees Finally, let's use the NTH_VALUE function to return the 2nd lowest salary in the entireemployeestable. In this example, we won't req...
PL/SQL recognizes the following SQL pseudocolumns, which return specific data items:CURRVAL,LEVEL,NEXTVAL,ROWID, andROWNUM. Pseudocolumns are not actual columns in a table but they behave like columns. For example, you can select values from a pseudocolumn. However, you cannot insert into, upda...
nextval into v_seq from dual; 5 return v_seq; 6 end; 7 / Function created. 此时能正常插入,而且id值,都正确了, 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SQL> insert all 2 into a1(id, a, b, c, d) values (f_getseq, 'a', 'a', 'a', 'a') 3 into a1(id, a, ...