db2 nullif

The shell script is used to export the DB2 database table to a file, and in another blog post, Java code calls the shell script and passes in the parameter implementation DB2 database table export to a file to invoke the script and pass in the

DB2 built-in functions are really a lot, it is almost impossible to master each function, so this article is not intended to describe the specific use of each function, but rather to provide an overview of the functions of each function, so that

DB2 function An example of an explanation function for a function name function AVG () returns the average of a set of values. Selectavg (SALARY) Frombsempms; CORR (), CORRELATION () returns the relationship coefficient of a pair of values. SELECT

The db2 Tutorial we are reading is: DB2 common dummies 1000 (6 ). 149. ATAN2 ()Returns the arc tangent of the angle X and Y coordinates in radians.SELECTATAN2 (0.5, 0.9) FROMBSEMPMS;　　150. BIGINT ()Returns the 64-bit integer representation of a

The db2 Tutorial we are reading is: DB2 common dummies 1000 (6 ). 149. ATAN2 () Returns the arc tangent of the angle X and Y coordinates in radians. SELECTATAN2 (0.5, 0.9) FROMBSEMPMS; 　　 150. BIGINT () Returns the 64-bit integer representation of a

The db2 tutorial is: Daily maintenance Summary of IBM DB2 (9 ). 167. REPEAT (EXP1, EXP2) Returns the string that EXP1 repeats EXP2. SELECTCHAR (REPEAT ('repeat', 3), 21) FROMBSEMPMS; 　　 168. REAL () Returns the single-precision floating-point

Looking at the DB2 tutorial is: DB2 common fool question 1000 Q (vi). 149.atan2 () Returns the tangent value of the x and y coordinates of the angle expressed in radians. SELECTATAN2 (0.5,0.9) Frombsempms; 　　 150.BIGINT () Returns a 64-bit integer

The DB2 tutorial you are looking at is: IBM DB2 Daily Maintenance Summary (ix). 167.REPEAT (EXP1,EXP2) Returns the string that EXP1 repeats EXP2 times. Selectchar (REPEAT (' REPEAT ', 3), Frombsempms; 　　 168.REAL () Returns a single-precision

Common functions in DB2: Function name Explanation of the function numbers Example SUBSTR (EXP1,EXP2) SUBSTR (EXP1,EXP2,EXP3) Returns the EXP1 string starting at EXP2, with a substring length of EXP3 SELECT

MySQL master database High Availability-Dual-master single-active failover Solution Preface: (PS: Preface was added later when this article was modified.) Some bloggers raised some questions and opinions about this article and paid attention to it,